Submission #1187768

#	Time	Username	Problem	Language	Result	Execution time	Memory
1187768		dirtycodehehe	Detecting Molecules (IOI16_molecules)	C++20	100 / 100	34 ms	3656 KiB

molecules

#include <iostream>
#include <vector>
#include <algorithm>
using namespace std;

typedef long long ll;

vector<int> find_subset(int k, int u, vector<int> w) {
    int n = w.size();
    vector<pair<int, int>> a(n);
    for (int i = 0; i < n; i++) {
        a[i] = {w[i], i};
    }
    sort(a.begin(), a.end());
    ll sum = 0;
    vector<int> res;
    for (int r = 0,l=0; r < n; r++) {
        sum += a[r].first;
        while(sum>u){
            sum-=a[l].first;
            l++;
        }
        if(sum>=k&&sum<=u){
            for(int i=l;i<=r;++i){
                res.push_back(a[i].second);
            }
            return res;
        }
    }
    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