题解 | 巴啦啦小魔仙变身
The Biggest Water Problem
https://www.nowcoder.com/practice/435aa556e093463891f6da7d322140a4
#include <stdio.h>
int main()
{
int n = 0;
while (~scanf("%d", &n))
{
again:
;
int sum = 0;
int cnt = 0;//计数器
while (n != 0)
{
sum += n % 10;
cnt++;
n /= 10;
}
n = sum;
if (cnt != 1)
{
goto again;
}
printf("%d\n", sum);
}
return 0;
}
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