Submission #1107513

#	Time	Username	Problem	Language	Result	Execution time	Memory
1107513		vjudge1	Bank (IZhO14_bank)	C++17	0 / 100	3 ms	6992 KiB

bank

#include <bits/stdc++.h>
using namespace std;
#define int long long
#define nn "\n";
#define pb push_back
#define all(v) (v).begin() , (v).end()
const int N = 2e5+ 4;
int a[N] , b[N];
vector<int>g[N];
int n , T , q , m ;
void dfs(int v , int x ){
    if(v == n ){
        cout << "YES";
        exit(0);
    }
    for(auto at:g[v+1]){
        if(x&at== 0 ){
            x|=at;
            dfs(x , v + 1 );
        }
    }
}
signed main(){
    ios_base::sync_with_stdio(0) , cin.tie(0);
    cin>> n >> m ;
    for(int i=1 ; i <= n ;i++)cin>> a[i];
    for(int i=0 ; i < m; i++)cin>> b[i];
    for(int i = 0 ; i < (1 << m ) - 1; i++){
            int sum =0 ;
        for(int j =0 ; j < m; j++){
            if(( i >> j )&1 ){
                sum+=b[j];
            }
        }
        g[sum].pb(i);
    }
    for(int i=0 ; i < g[1].size() ; i++){
        dfs(1 , g[1][i]);
    }
    cout << "NO";
}

Compilation message (stderr)

bank.cpp: In function 'void dfs(long long int, long long int)':
bank.cpp:17:16: warning: suggest parentheses around comparison in operand of '&' [-Wparentheses]
   17 |         if(x&at== 0 ){
      |              ~~^~~~
bank.cpp: In function 'int main()':
bank.cpp:37:21: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   37 |     for(int i=0 ; i < g[1].size() ; i++){
      |                   ~~^~~~~~~~~~~~~

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