Submission #846813

#	Time	Username	Problem	Language	Result	Execution time	Memory
846813		JooDdae	Detecting Molecules (IOI16_molecules)	C++17	100 / 100	39 ms	5708 KiB

molecules

#include "molecules.h"

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

vector<int> find_subset(int l, int u, vector<int> w) {
    int n = w.size();
    vector<array<int, 2>> p(n);
    for(int i=0;i<n;i++) p[i] = {w[i], i};
    sort(p.begin(), p.end());
    for(int i=0;i<n;i++) w[i] = p[i][1];
    for(ll i=0, j=0, s=0;i<n;i++) {
        s += p[i][0];
        while(s > u) s -= p[j++][0];
        if(l <= s) return vector<int>(w.begin()+j, w.begin()+i+1);
    }
    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