寒假水61——小知识【 while(scanf("%d",&n),n)】
2018-02-18 21:16
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while(scanf("%d",&n),n)逗号表达式(a+b,c+d),求解规则是先计算表达式1,后计算表达式2,表达式的取值为表达式2,即c+d。
所以代码片中的代码是先输入n,如果输入为0则不进入循环。
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