Submission #1173967

#	Time	Username	Problem	Language	Result	Execution time	Memory
1173967		HappyCapybara	Detecting Molecules (IOI16_molecules)	C++17	69 / 100	39 ms	9032 KiB

molecules

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

#define ll long long

vector<int> W;

vector<int> mstv(multiset<int> ms){
    vector<int> v;
    for (int i=0; i<W.size(); i++){
        if (ms.find(W[i]) != ms.end()){
            ms.erase(ms.find(W[i]));
            v.push_back(i);
        }
    }
    return v;
}

vector<int> find_subset(int l, int u, vector<int> w){
    W = w;
    int n = w.size();
    sort(w.begin(), w.end());
    ll cur = 0;
    multiset<int> res;
    for (int i=0; i<n; i++){
        res.insert(w[i]);
        cur += w[i];
        if (cur > u){
            cur -= *res.begin();
            res.erase(res.begin());
            int j = i;
            if (res.empty()) return {};
            while (cur < l && j < n){
                cur -= *res.begin();
                res.erase(res.begin());
                cur += w[j];
                res.insert(w[j]);
                j++;
            }
            if (l <= cur && cur <= u) return mstv(res);
            else return {};
        }
        else if (cur >= l) return mstv(res);
    }
    return {};
}

Compilation message (stderr)

molecules.h:1:9: warning: #pragma once in main file
    1 | #pragma once
      |         ^~~~
molecules_c.h:1:9: warning: #pragma once in main file
    1 | #pragma once
      |         ^~~~

• Subtask 1: 9 / 9
• Subtask 2: 10 / 10
• Subtask 3: 12 / 12
• Subtask 4: 15 / 15
• Subtask 5: 23 / 23
• Subtask 6: 0 / 31