banglee @ 2022-06-10 21:50:58
#include<iostream>
using namespace std;
int main(){
int m,k;
cin>>m>>k;
if(k*3==m) cout<<"YES";
else cout<<"NO";
return 0;
}
by ajahjahah @ 2022-06-10 21:52:51
含有
k 个3
意思是十进制表示下刚好有
by MvemiY @ 2022-06-10 22:46:47
string 了解一下
by laoliujntm @ 2022-10-07 11:35:49
int值太小要用long long