Submission #232396

#	Time	Username	Problem	Language	Result	Execution time	Memory
232396		UserIsUndefined	Detecting Molecules (IOI16_molecules)	C++14	0 / 100	5 ms	384 KiB

molecules

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


std::vector<int> find_subset(int l, int u, std::vector<int> w) {
    vector<pair<int,int>> v;

    for (int i = 0 ; i < w.size() ; i++){
        v.push_back({w[i] , i});
    }

    sort(v.begin(), v.end());

    vector<int> ans;

    int i = 0;
    int j = 0;
    long long sum = 0;

    while(j < v.size()){
        if (sum < l){
            sum+= v[j].first;
            j++;
        }
        else if (sum > u){
            sum-= v[i].first;
            i++;
        }
        else {
            for (int x = i ; x < j ; x++){
                ans.push_back(v[x].second);
            }
            break;

        }

    }

    return ans;



}

Compilation message (stderr)

molecules.cpp: In function 'std::vector<int> find_subset(int, int, std::vector<int>)':
molecules.cpp:9:24: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
     for (int i = 0 ; i < w.size() ; i++){
                      ~~^~~~~~~~~~
molecules.cpp:21:13: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
     while(j < v.size()){
           ~~^~~~~~~~~~

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