Submission #717376

#	Time	Username	Problem	Language	Result	Execution time	Memory
717376		tigar	Bank (IZhO14_bank)	C++14	0 / 100	1 ms	212 KiB

bank

#include <bits/stdc++.h>

using namespace std;
int people[30], pay[30];
bool used[30];
int given[30];
int n, m;

bool rekurzivna(int covek)
{
    //cout<<"-->"<<k<<endl;
    if(covek==n)return true;
    bool ret=false;
    for(int i=0; i<m; i++)
    {
        if(!used[i])
        {
            //cout<<i<<endl;
            used[i]=true;
            given[covek]+=pay[i];
            if(given[covek]+pay[i]<people[covek])ret=(ret|rekurzivna(covek));
            else if(given[covek]+pay[i]==people[covek])ret=(ret|rekurzivna(covek+1));
            given[covek]-=pay[i];
            used[i]=false;
        }
    }
    //cout<<"-->"<<k<<endl;
    return ret;
}

int main()
{
    #define name "bank"
    if(fopen(name".inp", "r")){
        freopen(name".inp", "r", stdin);
        freopen(name".out", "w", stdout);
    }

    ios_base::sync_with_stdio(); cin.tie(); cout.tie();

    cin>>n>>m;
    for(int i=0; i<n; i++)cin>>people[i];
    for(int j=0; j<m; j++)cin>>pay[j];
    if(rekurzivna(0))cout<<"YES";
    else cout<<"NO";
    return 0;
}
/*1 15
9
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15*/

Compilation message (stderr)

bank.cpp: In function 'int main()':
bank.cpp:35:16: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   35 |         freopen(name".inp", "r", stdin);
      |         ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~
bank.cpp:36:16: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   36 |         freopen(name".out", "w", stdout);
      |         ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~

• Subtask 1: 0 / 19
• Subtask 2: 0 / 25
• Subtask 3: 0 / 27
• Subtask 4: 0 / 29