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比较简短的一个方法,题目的例子能过,自己造一些简单数据也能过,9999的答案是36,但就是WA。为什么?(附C代码)#include<stdio.h>
void main()
{
int num;
int result,count;
scanf("%d",&num);
result=1;count=1;
while(result%num!=0)
{
result=(result%num)*10+1;
count++;
}
printf("%d\n",count);
}
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