求助

B2078 含 k 个 3 的数

junbeder @ 2024-08-15 17:11:08

#include<iostream>
using namespace std;
int main(){
    long long m,k;
    cin>>m>>k;
    if(m%(k*3)==0)
    cout<<"YES"<<endl;
    else 
    cout<<"NO"<<endl;
    return 0;
}

by zhizhenhuyuzhe @ 2024-08-15 17:14:15

#include<bits/stdc++.h>
using namespace std;
int main(){
    char n;
    int k,cnt=0;
    while((n=getchar())!=' ')
        if(n=='3')
            cnt++;
    cin>>k;
    if(cnt==k)
        cout<<"YES";
    else
        cout<<"NO";
    return 0;
}

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