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82问答网 > while (scanf("%s", s)==1 && strcmp(s, "0")!=0)

while (scanf("%s", s)==1 && strcmp(s, "0")!=0)

具体意思是什么？？在什么情况结束循环的？

2025-03-16 16:07:47

推荐回答（2个）

回答1：

输入了字符并且字符不为"0"就继续
scanf("%s", s)==1有输入
strcmp(s, "0")s与"0"比较
输入字符"0"循环结束

回答2：

当输入一个字符‘0’时，退出循环

scanf的返回值是接受的字符的个数
让他的返回值和1作比较就是看输入的是不是一个字符
后面那句
用字符串和“0”作比较
相等就退出

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