两个值互换有以下三种方式:
- 使用临时变量(此种方法便于理解)
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1 x = 10; 2 y = 20; 3 //begin 4 int temp = x; 5 x = y; 6 y = temp; 7 //end; 8 //此时x = 20; y = 10;
两个值互换有以下三种方式:
1 x = 10; 2 y = 20; 3 //begin 4 int temp = x; 5 x = y; 6 y = temp; 7 //end; 8 //此时x = 20; y = 10;
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