Submission #1015602

#	Time	Username	Problem	Language	Result	Execution time	Memory
1015602		Unforgettablepl	Detecting Molecules (IOI16_molecules)	C++17	9 / 100	1 ms	432 KiB

molecules

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

std::vector<int> find_subset(int l, int u, std::vector<int> w) {
    vector<pair<int,int>> arr;
    for(int i=0;i<w.size();i++)arr.emplace_back(w[i],i);
    sort(arr.begin(),arr.end());
    bool flag = false;
    redo:
    vector<int> ans;
    int sum = 0;
    for(auto[a,b]:arr){
        sum+=a;
        ans.emplace_back(b);
        if(l<=sum and sum<=u)return ans;
    }
    if(flag)return {};
    flag = true;
    reverse(arr.begin(),arr.end());
    goto redo;
}

Compilation message (stderr)

molecules.cpp: In function 'std::vector<int> find_subset(int, int, std::vector<int>)':
molecules.cpp:6:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
    6 |     for(int i=0;i<w.size();i++)arr.emplace_back(w[i],i);
      |                 ~^~~~~~~~~

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