Submission #697172

#	Time	Username	Problem	Language	Result	Execution time	Memory
697172		_Knyaz_	Detecting Molecules (IOI16_molecules)	C++17	100 / 100	48 ms	6180 KiB

molecules

#include <bits/stdc++.h>
#define ff first
#define sc second
using namespace std;
vector<int> find_subset(int l, int u, vector<int> w){
    long long sz = w.size(), sum = 0;
    vector<pair<int, int>> vec;
    for(int i = 0; i < sz; i++) vec.push_back({w[i], i});
    sort(vec.begin(), vec.end());
    vector<int> ans;
    int L = 0, R = 0;
    while(R<sz&&L<sz){
        while(sum<l&&R<sz) sum += vec[R++].ff;
        while(sum>u&&L<sz) sum -= vec[L++].ff;
        if(sum<=u&&sum>=l){
            for(int i = L; i < R; i++) ans.push_back(vec[i].sc);
            sort(ans.begin(), ans.end()); return ans;
        }
    }
    return {};
}

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