Submission #1197781

#	Time	Username	Problem	Language	Result	Execution time	Memory
1197781		aarb_.tomatexd	Boat (APIO16_boat)	C++20	0 / 100	713 ms	436 KiB

boat

#include <bits/stdc++.h>
using namespace std;
#define ll long long
#define pb push_back
const int MOD = 1e9+7;
void solve(){
    int n; cin >> n;
    vector<int>a(n);
    vector<int>b(n);
    for(int i=0;i<n;i++){
        cin >> a[i] >> b[i];
    }
    ll ans = 0;
    
    for(ll i=1;i<(1<<n);i++){
        int bl = 1;
        int mx = 0;
        for (int b = 0; b < n; ++b) {
            if (i & (1 << b)) {
                //cout << "El bit " << b << " está en 1\n";
                if(a[b]<= mx){
                    bl = 0; 
                }else{
                    mx = a[b];
                }
            }
        }
        if(bl==1) ans++;
        ans  = ans % MOD;
    }
    cout<<ans%MOD<<endl;
}
int main(){
    ios::sync_with_stdio(0); 
    cin.tie(0);
    int t = 1; while(t--) solve();
}

• Subtask 1: 0 / 9
• Subtask 2: 0 / 22
• Subtask 3: 0 / 27
• Subtask 4: 0 / 42