Submission #154938

#	Time	Username	Problem	Language	Result	Execution time	Memory
154938		jovan_b	Detecting Molecules (IOI16_molecules)	C++17	100 / 100	64 ms	7160 KiB

molecules

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

using namespace std;

typedef long long ll;

pair <ll, ll> niz[200005];

std::vector<int> find_subset(int l, int u, std::vector<int> w) {
    int n = w.size();
    ll L = l, R = u;
    for(int i=1; i<=n; i++){
        niz[i].first = w[i-1];
        niz[i].second = i-1;
    }
    int lg=1, r=1;
    sort(niz+1, niz+1+n);
    ll sum=niz[1].first;
    vector <int> arr;
    while(r <= n){
        if(sum <= R && sum >= L){
            //cout << r-l+1 << "\n";
            for(int i=lg; i<=r; i++) arr.push_back(niz[i].second);
            return arr;
        }
        else if(sum > R) {sum -= niz[lg].first; lg++;}
        else if(sum < L) {r++; sum += niz[r].first;}
    }
    return arr;
}

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