20
查看原帖
20
1404388
lrqSB楼主2024/10/19 11:18
#include<bits/stdc++.h>
using namespace std;
int main() {
	int a,b,c=0;
	cin>>a>>b;
	while(a>0){
		c+=6*pow(10,(a-1));
		a--;
	
	}
	cout<<(c/b)%1000000007;
}
2024/10/19 11:18
加载中...