{"draftJsState":{"blocks":[{"data":{"image":{"id":"6238dc94e4d64b7724d13e46"}},"depth":0,"entityRanges":[],"inlineStyleRanges":[],"text":"","type":"atomic:image","key":"87q5a"},{"data":{},"depth":0,"entityRanges":[{"key":0,"length":22,"offset":10}],"inlineStyleRanges":[],"text":"Источник: Nuances of Programming","type":"unstyled","key":"9pj8n"},{"data":{},"depth":0,"entityRanges":[{"key":1,"length":21,"offset":20}],"inlineStyleRanges":[],"text":"Предыдущая статья: “Язык C: классы памяти”","type":"unstyled","key":"9d3nt"},{"data":{},"depth":0,"entityRanges":[],"inlineStyleRanges":[],"text":"Оператор — это символ, который дает команду компилятору выполнить определенные математические или логические функции. В распоряжении пользователей языка С множество встроенных операторов различных типов:","type":"unstyled","key":"ftoti"},{"data":{},"depth":0,"entityRanges":[],"inlineStyleRanges":[],"text":"Арифметические операторы.","type":"unordered-list-item","key":"csnki"},{"data":{},"depth":0,"entityRanges":[],"inlineStyleRanges":[],"text":"Операторы сравнения.","type":"unordered-list-item","key":"8ao38"},{"data":{},"depth":0,"entityRanges":[],"inlineStyleRanges":[],"text":"Логические операторы.","type":"unordered-list-item","key":"aet92"},{"data":{},"depth":0,"entityRanges":[],"inlineStyleRanges":[],"text":"Побитовые операторы.","type":"unordered-list-item","key":"45sti"},{"data":{},"depth":0,"entityRanges":[],"inlineStyleRanges":[],"text":"Операторы присваивания.","type":"unordered-list-item","key":"3n7ib"},{"data":{},"depth":0,"entityRanges":[],"inlineStyleRanges":[],"text":"Другие операторы.","type":"unordered-list-item","key":"befnt"},{"data":{},"depth":0,"entityRanges":[],"inlineStyleRanges":[],"text":"Рассмотрим принцип работы каждого типа операторов.","type":"unstyled","key":"6cjd9"},{"data":{},"depth":0,"entityRanges":[],"inlineStyleRanges":[],"text":"Арифметические операторы","type":"header-three","key":"fsvoi"},{"data":{},"depth":0,"entityRanges":[],"inlineStyleRanges":[{"length":1,"offset":28,"style":"BOLD"},{"length":1,"offset":65,"style":"BOLD"}],"text":"Предположим, что переменная A содержит значение 10, а переменная B содержит значение 20.","type":"unstyled","key":"50li9"},{"data":{},"depth":0,"entityRanges":[],"inlineStyleRanges":[{"length":8,"offset":0,"style":"BOLD"},{"length":1,"offset":10,"style":"BOLD"}],"text":"Сложение (+) складывает два операнда: A + B = 30.","type":"ordered-list-item","key":"dq7b6"},{"data":{},"depth":0,"entityRanges":[],"inlineStyleRanges":[{"length":9,"offset":0,"style":"BOLD"},{"length":1,"offset":11,"style":"BOLD"}],"text":"Вычитание (-) вычитает второй операнд из первого: A — B = -10.","type":"ordered-list-item","key":"939j8"},{"data":{},"depth":0,"entityRanges":[],"inlineStyleRanges":[{"length":9,"offset":0,"style":"BOLD"},{"length":1,"offset":11,"style":"BOLD"}],"text":"Умножение (*) перемножает оба операнда: A * B = 200.","type":"ordered-list-item","key":"aucv7"},{"data":{},"depth":0,"entityRanges":[],"inlineStyleRanges":[{"length":7,"offset":0,"style":"BOLD"},{"length":1,"offset":9,"style":"BOLD"}],"text":"Деление (/) делит числитель на знаменатель: B / A = 2.","type":"ordered-list-item","key":"al385"},{"data":{},"depth":0,"entityRanges":[],"inlineStyleRanges":[{"length":6,"offset":0,"style":"BOLD"},{"length":1,"offset":8,"style":"BOLD"}],"text":"Модуль (%) определяет остаток после деления целых чисел: B % A = 0.","type":"ordered-list-item","key":"6uqqs"},{"data":{},"depth":0,"entityRanges":[],"inlineStyleRanges":[{"length":9,"offset":0,"style":"BOLD"},{"length":2,"offset":11,"style":"BOLD"}],"text":"Инкремент (++) увеличивает целочисленное значение на единицу: A++ = 11.","type":"ordered-list-item","key":"9bo5s"},{"data":{},"depth":0,"entityRanges":[],"inlineStyleRanges":[{"length":9,"offset":0,"style":"BOLD"},{"length":3,"offset":11,"style":"BOLD"}],"text":"Декремент ( — ), уменьшающий целочисленное значение на единицу: A — = 9.","type":"ordered-list-item","key":"aa79k"},{"data":{},"depth":0,"entityRanges":[],"inlineStyleRanges":[],"text":"Примеры написания кода с арифметическими операторами","type":"header-three","key":"4a24a"},{"data":{},"depth":0,"entityRanges":[],"inlineStyleRanges":[],"text":"#include \n\nmain() {\n int a = 21;\n int b = 10;\n int c ;\n\n c = a + b;\n printf(\"Line 1 - Value of c is %d\\n\", c );\n\t\n c = a - b;\n printf(\"Line 2 - Value of c is %d\\n\", c );\n\t\n c = a * b;\n printf(\"Line 3 - Value of c is %d\\n\", c );\n\t\n c = a / b;\n printf(\"Line 4 - Value of c is %d\\n\", c );\n\t\n c = a % b;\n printf(\"Line 5 - Value of c is %d\\n\", c );\n\t\n c = a++; \n printf(\"Line 6 - Value of c is %d\\n\", c );\n\t\n c = a--; \n printf(\"Line 7 - Value of c is %d\\n\", c );\n}","type":"unstyled","key":"3qjv"},{"data":{},"depth":0,"entityRanges":[],"inlineStyleRanges":[],"text":"Результат:","type":"unstyled","key":"a6ft5"},{"data":{},"depth":0,"entityRanges":[],"inlineStyleRanges":[],"text":"Line 1 - Value of c is 31\nLine 2 - Value of c is 11\nLine 3 - Value of c is 210\nLine 4 - Value of c is 2\nLine 5 - Value of c is 1\nLine 6 - Value of c is 21\nLine 7 - Value of c is 22","type":"unstyled","key":"1ro9f"},{"data":{},"depth":0,"entityRanges":[],"inlineStyleRanges":[],"text":"Операторы сравнения","type":"header-three","key":"ctdcg"},{"data":{},"depth":0,"entityRanges":[],"inlineStyleRanges":[{"length":1,"offset":28,"style":"BOLD"},{"length":1,"offset":65,"style":"BOLD"}],"text":"Предположим, что переменная A содержит значение 10, а переменная B содержит значение 20.","type":"unstyled","key":"baia4"},{"data":{},"depth":0,"entityRanges":[],"inlineStyleRanges":[{"length":9,"offset":0,"style":"BOLD"},{"length":2,"offset":11,"style":"BOLD"}],"text":"Равенство (==) проверяет, равны или нет значения двух операндов. Если да, то условие становится истинным: (A == B) не является истинным.","type":"ordered-list-item","key":"ch439"},{"data":{},"depth":0,"entityRanges":[],"inlineStyleRanges":[{"length":11,"offset":0,"style":"BOLD"},{"length":2,"offset":13,"style":"BOLD"}],"text":"Неравенство (!=) проверяет, равны или нет значения двух операндов. Если значения не равны, то условие становится истинным: (A != B) — истинно.","type":"ordered-list-item","key":"f2ish"},{"data":{},"depth":0,"entityRanges":[],"inlineStyleRanges":[{"length":6,"offset":0,"style":"BOLD"},{"length":1,"offset":8,"style":"BOLD"}],"text":"Больше (>) проверяет, больше ли значение левого операнда, чем значение правого операнда. Если да, то условие становится истинным: (A > B) не является истинным.","type":"ordered-list-item","key":"ctjbv"},{"data":{},"depth":0,"entityRanges":[],"inlineStyleRanges":[{"length":6,"offset":0,"style":"BOLD"},{"length":1,"offset":8,"style":"BOLD"}],"text":"Меньше (<) проверяет, меньше ли значение левого операнда, чем значение правого операнда. Если да, то условие становится истинным: (A < B) — истинно.","type":"ordered-list-item","key":"2otc6"},{"data":{},"depth":0,"entityRanges":[],"inlineStyleRanges":[{"length":16,"offset":0,"style":"BOLD"},{"length":2,"offset":18,"style":"BOLD"}],"text":"Больше или равно (>=) проверяет, действительно ли значение левого операнда больше или равно значению правого операнда. Если да, то условие становится истинным: (A >= B) не является истинным.","type":"ordered-list-item","key":"2rupj"},{"data":{},"depth":0,"entityRanges":[],"inlineStyleRanges":[{"length":16,"offset":0,"style":"BOLD"},{"length":2,"offset":18,"style":"BOLD"}],"text":"Меньше или равно (<=) проверяет, действительно ли значение левого операнда меньше или равно значению правого операнда. Если да, то условие становится истинным: (A <= B) — истинно.","type":"ordered-list-item","key":"3koc2"},{"data":{},"depth":0,"entityRanges":[],"inlineStyleRanges":[],"text":"Примеры написания кода с операторами сравнения","type":"header-three","key":"7eouc"},{"data":{},"depth":0,"entityRanges":[],"inlineStyleRanges":[],"text":"#include \n\nmain() {\n int a = 21;\n int b = 10;\n int c ;\n\n if( a == b ) {\n printf(\"Line 1 - a is equal to b\\n\" );\n } else {\n printf(\"Line 1 - a is not equal to b\\n\" );\n }\n\t\n if ( a < b ) {\n printf(\"Line 2 - a is less than b\\n\" );\n } else {\n printf(\"Line 2 - a is not less than b\\n\" );\n }\n\t\n if ( a > b ) {\n printf(\"Line 3 - a is greater than b\\n\" );\n } else {\n printf(\"Line 3 - a is not greater than b\\n\" );\n }\n \n /* Изменим значения a и b */\n a = 5;\n b = 20;\n\t\n if ( a <= b ) {\n printf(\"Line 4 - a is either less than or equal to b\\n\" );\n }\n\t\n if ( b >= a ) {\n printf(\"Line 5 - b is either greater than or equal to b\\n\" );\n }\n}","type":"unstyled","key":"3h2qq"},{"data":{},"depth":0,"entityRanges":[],"inlineStyleRanges":[],"text":"Результат:","type":"unstyled","key":"u73a"},{"data":{},"depth":0,"entityRanges":[],"inlineStyleRanges":[],"text":"Line 1 - a is not equal to b\nLine 2 - a is not less than b\nLine 3 - a is greater than b\nLine 4 - a is either less than or equal to b\nLine 5 - b is either greater than or equal to b","type":"unstyled","key":"d7bl7"},{"data":{},"depth":0,"entityRanges":[],"inlineStyleRanges":[],"text":"Логические операторы","type":"header-three","key":"2nov9"},{"data":{},"depth":0,"entityRanges":[],"inlineStyleRanges":[{"length":2,"offset":28,"style":"BOLD"},{"length":1,"offset":52,"style":"BOLD"}],"text":"Предположим, что переменная A равна 1, а переменная B равна 0.","type":"unstyled","key":"6bnab"},{"data":{},"depth":0,"entityRanges":[],"inlineStyleRanges":[{"length":19,"offset":0,"style":"BOLD"},{"length":4,"offset":20,"style":"BOLD"},{"length":2,"offset":25,"style":"BOLD"}],"text":"Логический оператор AND (&&). Если оба операнда ненулевые, то условие становится истинным: (A && B) — ложно.","type":"ordered-list-item","key":"9u9db"},{"data":{},"depth":0,"entityRanges":[],"inlineStyleRanges":[{"length":19,"offset":0,"style":"BOLD"},{"length":3,"offset":20,"style":"BOLD"},{"length":2,"offset":24,"style":"BOLD"}],"text":"Логический оператор OR (||). Если любой из двух операндов ненулевой, то условие становится истинным: (A || B) — истинно.","type":"ordered-list-item","key":"57fqf"},{"data":{},"depth":0,"entityRanges":[],"inlineStyleRanges":[{"length":19,"offset":0,"style":"BOLD"},{"length":3,"offset":20,"style":"BOLD"},{"length":1,"offset":24,"style":"BOLD"}],"text":"Логический оператор NOT(!). Используется для преобразования в обратное логическое состояние своего операнда. Если условие истинно, то оператор NOT сделает его ложным: !(A && B) — истинно.","type":"ordered-list-item","key":"3u6dt"},{"data":{},"depth":0,"entityRanges":[],"inlineStyleRanges":[],"text":"Примеры написания кода с логическими операторами","type":"header-three","key":"pvt4"},{"data":{},"depth":0,"entityRanges":[],"inlineStyleRanges":[],"text":"#include \n\nmain() {\n int a = 5;\n int b = 20;\n int c ;\n\n if ( a && b ) {\n printf(\"Line 1 - Condition is true\\n\" );\n }\n\t\n if ( a || b ) {\n printf(\"Line 2 - Condition is true\\n\" );\n }\n \n /* изменим значения a и b */\n a = 0;\n b = 10;\n\t\n if ( a && b ) {\n printf(\"Line 3 - Condition is true\\n\" );\n } else {\n printf(\"Line 3 - Condition is not true\\n\" );\n }\n\t\n if ( !(a && b) ) {\n printf(\"Line 4 - Condition is true\\n\" );\n }\n\t\n}","type":"unstyled","key":"5d20u"},{"data":{},"depth":0,"entityRanges":[],"inlineStyleRanges":[],"text":"Результат:","type":"unstyled","key":"bsk73"},{"data":{},"depth":0,"entityRanges":[],"inlineStyleRanges":[],"text":"Line 1 - Condition is true\nLine 2 - Condition is true\nLine 3 - Condition is not true\nLine 4 - Condition is true","type":"unstyled","key":"28etf"},{"data":{},"depth":0,"entityRanges":[],"inlineStyleRanges":[],"text":"Побитовые операторы","type":"header-three","key":"6vjft"},{"data":{},"depth":0,"entityRanges":[],"inlineStyleRanges":[],"text":"Побитовый оператор работает с битами и выполняет побитовую операцию. Таблицы истинности для &, | и ^ выглядят следующим образом:","type":"unstyled","key":"3mp7m"},{"data":{"image":{"id":"6238dcae8d70de4bf0749ba6"}},"depth":0,"entityRanges":[],"inlineStyleRanges":[],"text":"","type":"atomic:image","key":"6o44m"},{"data":{},"depth":0,"entityRanges":[],"inlineStyleRanges":[],"text":"Если предположить, что A = 60 и B = 13 в бинарном формате, то они будут выглядеть следующим образом:","type":"unstyled","key":"aue53"},{"data":{},"depth":0,"entityRanges":[],"inlineStyleRanges":[],"text":"A = 0011 1100","type":"unstyled","key":"d5acg"},{"data":{},"depth":0,"entityRanges":[],"inlineStyleRanges":[],"text":"B = 0000 1101","type":"unstyled","key":"71nko"},{"data":{},"depth":0,"entityRanges":[],"inlineStyleRanges":[],"text":"— — — — — — — — -","type":"unstyled","key":"fgfis"},{"data":{},"depth":0,"entityRanges":[],"inlineStyleRanges":[],"text":"A&B = 0000 1100","type":"unstyled","key":"783h3"},{"data":{},"depth":0,"entityRanges":[],"inlineStyleRanges":[],"text":"A|B = 0011 1101","type":"unstyled","key":"4tp16"},{"data":{},"depth":0,"entityRanges":[],"inlineStyleRanges":[],"text":"A^B = 0011 0001","type":"unstyled","key":"dj1q3"},{"data":{},"depth":0,"entityRanges":[],"inlineStyleRanges":[],"text":"~A = 1100 0011","type":"unstyled","key":"5i1hn"},{"data":{},"depth":0,"entityRanges":[],"inlineStyleRanges":[{"length":3,"offset":84,"style":"BOLD"},{"length":4,"offset":123,"style":"BOLD"}],"text":"Ниже перечислены побитовые операторы, поддерживаемые C. Предположим, что переменная ‘A’ содержит значение 60, а переменная ‘B’ — значение 13.","type":"unstyled","key":"d6vrm"},{"data":{},"depth":0,"entityRanges":[],"inlineStyleRanges":[{"length":23,"offset":0,"style":"BOLD"},{"length":1,"offset":24,"style":"BOLD"}],"text":"Побитовый оператор AND (&) копирует бит в результат, если он есть в обоих операндах: (A & B) = 12, т. е. 0000 1100.","type":"ordered-list-item","key":"6nc6j"},{"data":{},"depth":0,"entityRanges":[],"inlineStyleRanges":[{"length":21,"offset":0,"style":"BOLD"},{"length":1,"offset":23,"style":"BOLD"}],"text":"Побитовый оператор OR (|) копирует бит, если он есть в любом из операндов: (A | B) = 61, т. е. 0011 1101.","type":"ordered-list-item","key":"fujpg"},{"data":{},"depth":0,"entityRanges":[],"inlineStyleRanges":[{"length":22,"offset":0,"style":"BOLD"},{"length":1,"offset":24,"style":"BOLD"}],"text":"Побитовый оператор XOR (^) копирует бит, если он установлен в одном операнде, но не в обоих: (A ^ B) = 49, т. е. 0011 0001.","type":"ordered-list-item","key":"f8kai"},{"data":{},"depth":0,"entityRanges":[],"inlineStyleRanges":[{"length":36,"offset":0,"style":"BOLD"},{"length":1,"offset":38,"style":"BOLD"}],"text":"Оператор дополнения бинарной единицы (~), являясь унарным, обладает эффектом инвертирования битов: (~A ) = ~(60), т. е. -0111101.","type":"ordered-list-item","key":"7n560"},{"data":{},"depth":0,"entityRanges":[],"inlineStyleRanges":[{"length":31,"offset":0,"style":"BOLD"},{"length":2,"offset":33,"style":"BOLD"}],"text":"Побитовый оператор сдвига влево (<<) сдвигает значение левого операнда влево на количество битов, указанное правым операндом: A << 2 = 240, т. е. 1111 0000.","type":"ordered-list-item","key":"8ui76"},{"data":{},"depth":0,"entityRanges":[],"inlineStyleRanges":[{"length":32,"offset":0,"style":"BOLD"},{"length":2,"offset":34,"style":"BOLD"}],"text":"Побитовый оператор сдвига вправо (>>) сдвигает значение левого операнда вправо на количество битов, указанное правым операндом: A >> 2 = 15, т. е. 0000 1111.","type":"ordered-list-item","key":"1ohbv"},{"data":{},"depth":0,"entityRanges":[],"inlineStyleRanges":[],"text":"Примеры написания кода с бинарными операторами","type":"header-three","key":"2o4lr"},{"data":{},"depth":0,"entityRanges":[],"inlineStyleRanges":[],"text":"#include \n\nmain() {\n unsigned int a = 60;\t/* 60 = 0011 1100 */ \n unsigned int b = 13;\t/* 13 = 0000 1101 */\n int c = 0; \n\n c = a & b; /* 12 = 0000 1100 */ \n printf(\"Line 1 - Value of c is %d\\n\", c ); \n\n c = a | b; /* 61 = 0011 1101 */\n printf(\"Line 2 - Value of c is %d\\n\", c );\n\n c = a ^ b; /* 49 = 0011 0001 */\n printf(\"Line 3 - Value of c is %d\\n\", c );\n\n c = ~a; /*-61 = 1100 0011 */\n printf(\"Line 4 - Value of c is %d\\n\", c );\n\n c = a << 2; /* 240 = 1111 0000 */\n printf(\"Line 5 - Value of c is %d\\n\", c );\n\n c = a >> 2; /* 15 = 0000 1111 */\n printf(\"Line 6 - Value of c is %d\\n\", c );\n}","type":"unstyled","key":"1a7r0"},{"data":{},"depth":0,"entityRanges":[],"inlineStyleRanges":[],"text":"Результат:","type":"unstyled","key":"f466h"},{"data":{},"depth":0,"entityRanges":[],"inlineStyleRanges":[],"text":"Line 1 - Value of c is 12\nLine 2 - Value of c is 61\nLine 3 - Value of c is 49\nLine 4 - Value of c is -61\nLine 5 - Value of c is 240\nLine 6 - Value of c is 15","type":"unstyled","key":"ccaha"},{"data":{},"depth":0,"entityRanges":[],"inlineStyleRanges":[],"text":"Операторы присваивания","type":"header-three","key":"b01ao"},{"data":{},"depth":0,"entityRanges":[],"inlineStyleRanges":[{"length":29,"offset":0,"style":"BOLD"},{"length":1,"offset":31,"style":"BOLD"}],"text":"Простой оператор присваивания (=) присваивает значения правых операндов левому операнду: C = A + B с присвоением A + B операнду C.","type":"ordered-list-item","key":"99qsg"},{"data":{},"depth":0,"entityRanges":[],"inlineStyleRanges":[{"length":7,"offset":0,"style":"BOLD"},{"length":2,"offset":9,"style":"BOLD"}],"text":"Add AND (+=) добавляет правый операнд к левому операнду и присваивает результат левому операнду: C += A эквивалентно C = C + A.","type":"ordered-list-item","key":"522ie"},{"data":{},"depth":0,"entityRanges":[],"inlineStyleRanges":[{"length":12,"offset":0,"style":"BOLD"},{"length":2,"offset":14,"style":"BOLD"}],"text":"Subtract AND (-=) вычитает правый операнд из левого операнда и присваивает результат левому операнду: C -= A эквивалентно C = C-A.","type":"ordered-list-item","key":"95qf8"},{"data":{},"depth":0,"entityRanges":[],"inlineStyleRanges":[{"length":12,"offset":0,"style":"BOLD"},{"length":2,"offset":14,"style":"BOLD"}],"text":"Multiply AND (*=) перемножает правый операнд с левым операндом и присваивает результат левому операнду: C *= A эквивалентен C = C * A.","type":"ordered-list-item","key":"dp3su"},{"data":{},"depth":0,"entityRanges":[],"inlineStyleRanges":[{"length":10,"offset":0,"style":"BOLD"},{"length":2,"offset":12,"style":"BOLD"}],"text":"Divide AND (/=) делит левый операнд на правый операнд и присваивает результат левому операнду: C /= A эквивалентен C = C / A","type":"ordered-list-item","key":"5h4ka"},{"data":{},"depth":0,"entityRanges":[],"inlineStyleRanges":[{"length":11,"offset":0,"style":"BOLD"},{"length":2,"offset":13,"style":"BOLD"}],"text":"Modulus AND (%=) вычисляет остаток от деления двух операндов и присваивает результат левому операнду: C %= A эквивалентно C = C % A.","type":"ordered-list-item","key":"5use7"},{"data":{},"depth":0,"entityRanges":[],"inlineStyleRanges":[{"length":14,"offset":0,"style":"BOLD"},{"length":3,"offset":16,"style":"BOLD"}],"text":"Left shift AND (<<=) — побитовый сдвиг влево, совмещенный с операцией присваивания: C <<= 2 эквивалентно C = C << 2.","type":"ordered-list-item","key":"eitn3"},{"data":{},"depth":0,"entityRanges":[],"inlineStyleRanges":[{"length":15,"offset":0,"style":"BOLD"},{"length":3,"offset":17,"style":"BOLD"}],"text":"Right shift AND (>>=) — побитовый сдвиг вправо, совмещенный с операцией присваивания: C >>= 2 эквивалентно C = C >> 2.","type":"ordered-list-item","key":"6skqb"},{"data":{},"depth":0,"entityRanges":[],"inlineStyleRanges":[{"length":12,"offset":0,"style":"BOLD"},{"length":2,"offset":13,"style":"BOLD"}],"text":"Bitwise AND (&=) — побитовое “И”, совмещенное с операцией присваивания: C &= 2 то же самое, что C = C & 2.","type":"ordered-list-item","key":"f6s32"},{"data":{},"depth":0,"entityRanges":[],"inlineStyleRanges":[{"length":11,"offset":0,"style":"BOLD"},{"length":2,"offset":13,"style":"BOLD"}],"text":"Bitwise XOR (^=) — побитовое “исключающее ИЛИ”, совмещенное с операцией присваивания: C ^= 2 то же самое, что C = C ^ 2.","type":"ordered-list-item","key":"17t1b"},{"data":{},"depth":0,"entityRanges":[],"inlineStyleRanges":[{"length":10,"offset":0,"style":"BOLD"},{"length":2,"offset":12,"style":"BOLD"}],"text":"Bitwise OR (|=) — побитовое “ИЛИ”, совмещенное с операцией присваивания: C |= 2 то же самое, что C = C | 2.","type":"ordered-list-item","key":"coil"},{"data":{},"depth":0,"entityRanges":[],"inlineStyleRanges":[],"text":"Примеры написания кода с операторами присваивания","type":"header-three","key":"5eh4o"},{"data":{},"depth":0,"entityRanges":[],"inlineStyleRanges":[],"text":"#include \n\nmain() {\n int a = 21;\n int c ;\n\n c = a;\n printf(\"Line 1 - = Operator Example, Value of c = %d\\n\", c );\n\n c += a;\n printf(\"Line 2 - += Operator Example, Value of c = %d\\n\", c );\n\n c -= a;\n printf(\"Line 3 - -= Operator Example, Value of c = %d\\n\", c );\n\n c *= a;\n printf(\"Line 4 - *= Operator Example, Value of c = %d\\n\", c );\n\n c /= a;\n printf(\"Line 5 - /= Operator Example, Value of c = %d\\n\", c );\n\n c = 200;\n c %= a;\n printf(\"Line 6 - %= Operator Example, Value of c = %d\\n\", c );\n\n c <<= 2;\n printf(\"Line 7 - <<= Operator Example, Value of c = %d\\n\", c );\n\n c >>= 2;\n printf(\"Line 8 - >>= Operator Example, Value of c = %d\\n\", c );\n\n c &= 2;\n printf(\"Line 9 - &= Operator Example, Value of c = %d\\n\", c );\n\n c ^= 2;\n printf(\"Line 10 - ^= Operator Example, Value of c = %d\\n\", c );\n\n c |= 2;\n printf(\"Line 11 - |= Operator Example, Value of c = %d\\n\", c );\n}","type":"unstyled","key":"9fpo5"},{"data":{},"depth":0,"entityRanges":[],"inlineStyleRanges":[],"text":"Результат:","type":"unstyled","key":"cokce"},{"data":{},"depth":0,"entityRanges":[],"inlineStyleRanges":[],"text":"Line 1 - = Operator Example, Value of c = 21\nLine 2 - += Operator Example, Value of c = 42\nLine 3 - -= Operator Example, Value of c = 21\nLine 4 - *= Operator Example, Value of c = 441\nLine 5 - /= Operator Example, Value of c = 21\nLine 6 - %= Operator Example, Value of c = 11\nLine 7 - <<= Operator Example, Value of c = 44\nLine 8 - >>= Operator Example, Value of c = 11\nLine 9 - &= Operator Example, Value of c = 2\nLine 10 - ^= Operator Example, Value of c = 0\nLine 11 - |= Operator Example, Value of c = 2","type":"unstyled","key":"96ser"},{"data":{},"depth":0,"entityRanges":[],"inlineStyleRanges":[],"text":"Другие операторы","type":"header-three","key":"2q9g0"},{"data":{},"depth":0,"entityRanges":[],"inlineStyleRanges":[],"text":"Помимо рассмотренных выше в языке C есть еще несколько важных операторов:","type":"unstyled","key":"a2csm"},{"data":{},"depth":0,"entityRanges":[],"inlineStyleRanges":[{"length":26,"offset":0,"style":"BOLD"}],"text":"Оператор размера sizeof() возвращает размер переменной, например: sizeof(a), где a — целое число, возвращает 4.","type":"ordered-list-item","key":"ccork"},{"data":{},"depth":0,"entityRanges":[],"inlineStyleRanges":[{"length":15,"offset":0,"style":"BOLD"},{"length":1,"offset":17,"style":"BOLD"}],"text":"Оператор ссылки (&) возвращает фактический адрес переменной, например: &a.","type":"ordered-list-item","key":"cttu5"},{"data":{},"depth":0,"entityRanges":[],"inlineStyleRanges":[{"length":29,"offset":0,"style":"BOLD"},{"length":1,"offset":30,"style":"BOLD"}],"text":"Оператор непрямого обращения (*) обращает к объекту, на который указывает переменная, например: *a;","type":"ordered-list-item","key":"4o04i"},{"data":{},"depth":0,"entityRanges":[],"inlineStyleRanges":[{"length":34,"offset":0,"style":"BOLD"}],"text":"Тернарный условный оператор (? :) выполняет тернарную условную операцию: если условие ? истинно, тогда значение X : иначе значение Y.","type":"ordered-list-item","key":"aiur"},{"data":{},"depth":0,"entityRanges":[],"inlineStyleRanges":[],"text":"Примеры написания кода с операторами sizeof(), &, *, ?","type":"header-three","key":"7mb1k"},{"data":{},"depth":0,"entityRanges":[],"inlineStyleRanges":[],"text":"#include \n\nmain() {\n int a = 4;\n short b;\n double c;\n int* ptr;\n\n /* пример оператора sizeof */\n printf(\"Line 1 - Size of variable a = %d\\n\", sizeof(a) );\n printf(\"Line 2 - Size of variable b = %d\\n\", sizeof(b) );\n printf(\"Line 3 - Size of variable c= %d\\n\", sizeof(c) );\n\n /* примеры операторов & и * */\n ptr = &a;\t/* 'ptr' now contains the address of 'a'*/\n printf(\"value of a is %d\\n\", a);\n printf(\"*ptr is %d.\\n\", *ptr);\n\n /* пример тернарного оператора */\n a = 10;\n b = (a == 1) ? 20: 30;\n printf( \"Value of b is %d\\n\", b );\n\n b = (a == 10) ? 20: 30;\n printf( \"Value of b is %d\\n\", b );\n}","type":"unstyled","key":"b85gj"},{"data":{},"depth":0,"entityRanges":[],"inlineStyleRanges":[],"text":"Результат:","type":"unstyled","key":"9qp28"},{"data":{},"depth":0,"entityRanges":[],"inlineStyleRanges":[],"text":"Line 1 - Size of variable a = 4\nLine 2 - Size of variable b = 2\nLine 3 - Size of variable c= 8\nvalue of a is 4\n*ptr is 4.\nValue of b is 30\nValue of b is 20","type":"unstyled","key":"2mon6"},{"data":{},"depth":0,"entityRanges":[],"inlineStyleRanges":[],"text":"Старшинство операторов","type":"header-three","key":"84p72"},{"data":{},"depth":0,"entityRanges":[],"inlineStyleRanges":[],"text":"Старшинство операторов определяет группирование членов в выражении и решает, как будет оцениваться выражение. Некоторые операторы имеют более высокий уровень старшинства, чем другие. Так, оператор умножения имеет более высокий приоритет, чем оператор сложения.","type":"unstyled","key":"3eme1"},{"data":{},"depth":0,"entityRanges":[],"inlineStyleRanges":[],"text":"Рассмотрим конкретный пример: x = 7 + 3 * 2. Здесь x присваивается 13, а не 20, потому что оператор * имеет более высокий приоритет, чем +, поэтому сначала выполняется умножение 3*2, а затем результат складывается с 7. Таким образом, операторы с более высоким старшинством должны оцениваться первыми.","type":"unstyled","key":"bshdm"},{"data":{},"depth":0,"entityRanges":[],"inlineStyleRanges":[],"text":"В приведенном ниже списке операторы с наибольшим старшинством находятся в самом верху, а с наименьшим — внизу. В скобках указана ассоциативность операторов.","type":"unstyled","key":"48lpp"},{"data":{"image":{"id":"6238dcaeb4e657033db53473"}},"depth":0,"entityRanges":[],"inlineStyleRanges":[],"text":"","type":"atomic:image","key":"4h1vl"},{"data":{},"depth":0,"entityRanges":[],"inlineStyleRanges":[],"text":"Примеры написания кода с соблюдением старшинства операторов","type":"header-three","key":"5ekgo"},{"data":{},"depth":0,"entityRanges":[],"inlineStyleRanges":[],"text":"#include \n\nmain() {\n int a = 20;\n int b = 10;\n int c = 15;\n int d = 5;\n int e;\n \n e = (a + b) * c / d; // ( 30 * 15 ) / 5\n printf(\"Value of (a + b) * c / d is : %d\\n\", e );\n\n e = ((a + b) * c) / d; // (30 * 15 ) / 5\n printf(\"Value of ((a + b) * c) / d is : %d\\n\" , e );\n\n e = (a + b) * (c / d); // (30) * (15/5)\n printf(\"Value of (a + b) * (c / d) is : %d\\n\", e );\n\n e = a + (b * c) / d; // 20 + (150/5)\n printf(\"Value of a + (b * c) / d is : %d\\n\" , e );\n \n return 0;\n}","type":"unstyled","key":"c52fv"},{"data":{},"depth":0,"entityRanges":[],"inlineStyleRanges":[],"text":"Результат:","type":"unstyled","key":"4r4h9"},{"data":{},"depth":0,"entityRanges":[],"inlineStyleRanges":[],"text":"Value of (a + b) * c / d is : 90\nValue of ((a + b) * c) / d is : 90\nValue of (a + b) * (c / d) is : 90\nValue of a + (b * c) / d is : 50","type":"unstyled","key":"bair8"},{"data":{},"depth":0,"entityRanges":[],"inlineStyleRanges":[],"text":"Читайте также:","type":"unstyled","key":"c53ic"},{"data":{},"depth":0,"entityRanges":[{"key":2,"length":66,"offset":0}],"inlineStyleRanges":[],"text":"7 наиболее полезных расширений VS Code, представленных в 2021 году","type":"unordered-list-item","key":"1ai3a"},{"data":{},"depth":0,"entityRanges":[{"key":3,"length":53,"offset":0}],"inlineStyleRanges":[],"text":"5 секретов создания востребованной технической статьи","type":"unordered-list-item","key":"5ml2h"},{"data":{},"depth":0,"entityRanges":[{"key":4,"length":18,"offset":0}],"inlineStyleRanges":[],"text":"Язык С: переменные","type":"unordered-list-item","key":"r9ke"},{"data":{},"depth":0,"entityRanges":[{"key":5,"length":8,"offset":14},{"key":6,"length":2,"offset":24}],"inlineStyleRanges":[],"text":"Читайте нас в Telegram, VK","type":"unstyled","key":"44hqi"},{"data":{},"depth":0,"entityRanges":[],"inlineStyleRanges":[],"text":"","type":"marker","key":"DstHUIALHlIKIqfFpj8N"}],"entityMap":{"0":{"data":{"url":"https://nuancesprog.ru/p/15499/"},"mutability":"MUTABLE","type":"LINK"},"1":{"data":{"href":"https://nuancesprog.ru/p/15426/","url":"https://nuancesprog.ru/p/15426/"},"mutability":"MUTABLE","type":"LINK"},"2":{"data":{"href":"https://nuancesprog.ru/p/15016/","url":"https://nuancesprog.ru/p/15016/"},"mutability":"MUTABLE","type":"LINK"},"3":{"data":{"href":"https://nuancesprog.ru/wp-admin/post.php?post=15429&action=edit","url":"https://nuancesprog.ru/wp-admin/post.php?post=15429&action=edit"},"mutability":"MUTABLE","type":"LINK"},"4":{"data":{"href":"https://nuancesprog.ru/wp-admin/post.php?post=15283&action=edit","url":"https://nuancesprog.ru/wp-admin/post.php?post=15283&action=edit"},"mutability":"MUTABLE","type":"LINK"},"5":{"data":{"href":"https://t.me/nuancesproghumor","url":"https://t.me/nuancesproghumor"},"mutability":"MUTABLE","type":"LINK"},"6":{"data":{"href":"https://vk.com/nuancesprog","url":"https://vk.com/nuancesprog"},"mutability":"MUTABLE","type":"LINK"}}},"mentions":[]}