Submission #775534

#	Time	Username	Problem	Language	Result	Execution time	Memory
775534		aguss	Detecting Molecules (IOI16_molecules)	C++17	100 / 100	37 ms	5556 KiB

molecules

#include "molecules.h"
#include <bits/stdc++.h>
using namespace std;
typedef long long ll;

vector<int> find_subset(int l, int u, vector<int> w) {
    int n = w.size();
    vector<pair<int, int>> v(n);
    vector<int> ans;
    for(int i = 0; i < n; i++){
        v[i].first = w[i];
        v[i].second = i;
    }
    sort(v.begin(), v.end());
    ll sum = v[0].first, s = 0, e = 0;
    while(e < n and s < n){
        if(sum >= l and sum <= u){
            for(int i = s; i <= e; i++)
                ans.push_back(v[i].second);
            return ans;
        }
        if(sum < l)
            sum += v[++e].first;
        if(sum > u) 
            sum -= v[s++].first;
        
    }
    return vector<int>(0);
}

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