Submission #82565

#	Time	Username	Problem	Language	Result	Execution time	Memory
82565		Leonardo_Paes	San (COCI17_san)	C++11	48 / 120	81 ms	516 KiB

san

#include <bits/stdc++.h>

using namespace std;

#define MAXN 25

int h[MAXN], g[MAXN];

int main(){

    int n;

    long long s;

    cin >> n >> s;

    for(int i=1; i<=n; i++){
        cin >> h[i] >> g[i];
    }

    long long ans=0;

    for(int i=0; i<(1<<n); i++){
        int u = i;
        int ant=0;
        bool ok=1;
        long long sum = 0;
        for(int j=1; j<=20; j++){
            if(u%2==1){
                if(h[j]>=h[ant]){
                    sum+=g[j];
                    ant=j;
                }
                else{
                    ok=0;
                    break;
                }
            }
            u = u/2;
        }
        if(ok==1){
            if(sum>=s){
                ans++;
            }
        }
    }
    cout << ans << endl;
    return 0;
}

• Subtask 1: 24 / 24
• Subtask 2: 24 / 24
• Subtask 3: 0 / 24
• Subtask 4: 0 / 24
• Subtask 5: 0 / 24