题解 | The Biggest Water Problem
The Biggest Water Problem
https://www.nowcoder.com/practice/435aa556e093463891f6da7d322140a4
#include <stdio.h>
int trans(int n)
{
if(n<10)
return n;
int sum=0;
while(n)
{
sum+=n%10;
n/=10;
}
return trans(sum);
}
int main() {
int n;
while(scanf("%d",&n)!=EOF)
{
printf("%d",trans(n));
}
return 0;
}
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