P6188 [NOI Online entry group] stationery Order

P6188 [NOI Online entry group] stationery Order

Title Description

According to the topic, you can direct enumeration descending violence

#include<bits/stdc++.h>
using namespace std;

int main()
{
    int n;
    cin>>n;
    if( n==0 )
    {
        cout<<"0 0 0"<<endl;
        return 0;
    }
    for(int i=n/14;i>=0;i--)
            for(int j=i;j<=n/4;j++)
                for(int k=i;k<=n/3;k++)
                    if( i*7+j*4+k*3==n )
                    {
                        cout<<i<<" "<<j<<" "<<k<<endl;
                        return 0;
                    }
    cout<<"-1"<<endl;
    return 0;
}