Submission #774691

#	Time	Username	Problem	Language	Result	Execution time	Memory
774691		aguss	Detecting Molecules (IOI16_molecules)	C++17	69 / 100	1081 ms	3412 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, s = 0, e = 0;
    while(1){
        sum = 0;
        for(int i = s; i <= e; i++) 
            sum += v[i].first;
        if(sum >= l and sum <= u){
            for(int i = s; i <= e; i++){
                ans.push_back(v[i].second);
            }
            return ans;
        }
        if(sum < l) e++;
        if(sum > u) s++;
        if(e >= n or s >= n) break;
    }
    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: 0 / 31