Submission #1138315

#	Time	Username	Problem	Language	Result	Execution time	Memory
1138315		anmattroi	Detecting Molecules (IOI16_molecules)	C++17	100 / 100	34 ms	4132 KiB

molecules

#include "molecules.h"
#include <bits/stdc++.h>
#define fi first
#define se second
using namespace std;
using ii = pair<int, int>;

vector<int> find_subset(int l, int u, vector<int> w) {
    vector<ii> a;
    int n = w.size();
    for (int i = 0; i < n; i++) a.emplace_back(w[i], i);
    sort(a.begin(), a.end());

    int64_t s = 0;
    for (int i2 = 0, i1 = 0; i2 < n; i2++) {
        s += a[i2].fi;
        while (i1 < i2 && s > u) {
            s -= a[i1].fi;
            ++i1;
        }
        if (l <= s && s <= u) {
            vector<int> ans;
            for (int i = i1; i <= i2; i++) ans.emplace_back(a[i].se);
            return ans;
        }
    }
    return vector<int>(0);
}

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