开了long long还是WA(悲)
样例全过,求大佬帮帮蒟蒻
#include<bits/stdc++.h> using namespace std; long long k,m,ans; int main() { cin>>m>>k; if(m%19==0){ while(m!=0){ if(m%10==3) ans++; m/=10; } if(k==ans) cout<<"YES"; else cout<<"NO"; } else cout<<"NO"; return 0; }