Submission #1226198

#	Time	Username	Problem	Language	Result	Execution time	Memory
1226198		vladilius	Detecting Molecules (IOI16_molecules)	C++20	100 / 100	39 ms	6340 KiB

molecules

#include <bits/stdc++.h>
using namespace std;
using ll = long long;
using pii = pair<int, int>;
#define pb push_back
#define ff first
#define ss second

vector<int> find_subset(int L, int R, vector<int> w){
    int n = (int) w.size();
    vector<pii> f = {{}};
    for (int i = 0; i < n; i++){
        f.pb({w[i], i});
    }
    sort(f.begin(), f.end());
    vector<ll> p(n + 1);
    for (int i = 1; i <= n; i++){
        p[i] = p[i - 1] + f[i].ff;
    }

    vector<ll> :: iterator it;
    for (int i = 0; i <= n; i++){
        ll l = p[i] + p[n] - R, r = p[i] + p[n] - L;
        it = lower_bound(p.begin() + i, p.end(), l);
        int j = (int)(it - p.begin());
        if (j <= n && p[j] <= r){
            j++;
            vector<int> out;
            for (int k = 1; k <= i; k++){
                out.pb(f[k].ss);
            }
            for (int k = j; k <= n; k++){
                out.pb(f[k].ss);
            }
            return out;
        }
    }
    return {};
}

Compilation message (stderr)

molecules.h:1:9: warning: #pragma once in main file
    1 | #pragma once
      |         ^~~~
molecules_c.h:1:9: warning: #pragma once in main file
    1 | #pragma once
      |         ^~~~

• Subtask 1: 9 / 9
• Subtask 2: 10 / 10
• Subtask 3: 12 / 12
• Subtask 4: 15 / 15
• Subtask 5: 23 / 23
• Subtask 6: 31 / 31