题解 | #The Biggest Water Proble
The Biggest Water Problem
https://www.nowcoder.com/practice/435aa556e093463891f6da7d322140a4
#include<stdio.h>
int ret(int a)
{
if(a>10)
return a%10+ret(a/10);
else
return a;
}//运用递归计算出每一位之和
int main()
{
int a;
scanf("%d",&a);
while(a>10)//多轮判断
{
a=ret(a);//对a进行重置
}
printf("%d",a);
return 0;
}
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