Submission #717747

#	Time	Username	Problem	Language	Result	Execution time	Memory
717747		Toxtaq	Detecting Molecules (IOI16_molecules)	C++17	100 / 100	54 ms	5556 KiB

molecules

#include<bits/stdc++.h>
#include "molecules.h"

/// https://codeforces.com/blog/entry/52464
/// https://oj.uz/submission/715687

using namespace std;
vector<int> find_subset(int l, int r, vector<int>w){
    int n = w.size();
    vector<pair<int, int>>sorted(n);
    for(int i = 0;i < n;++i){
        sorted[i] = {w[i], i};
    }
    sort(sorted.begin(), sorted.end());
    vector<int>ans;
    int left = 0, right = 0;
    long long sum = 0;
    while(left <= right && right < n){
        sum += sorted[right].first;
        while(sum > r){
            sum -= sorted[left].first;
            left++;
        }
        if(sum >= l && sum <= r){
            for(int i = left;i <= right;++i){
                ans.push_back(sorted[i].second);
            }
            return ans;
        }
        right++;
    }
    return ans;
}
//
//int main()
//{
//    int l, r, n;
//    cin >> l >> r >> n;
//    vector<int>v(n);
//    for(int i = 0;i < n;++i)cin >> v[i];
//    vector<int>ans = find_subset(l, r, v);
//    for(int i : ans)cout << i << " ";
//}

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