Submission #860846

#	Time	Username	Problem	Language	Result	Execution time	Memory
860846		JoksimKaktus	Detecting Molecules (IOI16_molecules)	C++17	0 / 100	1 ms	600 KiB

molecules

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

using namespace std;

vector<int> find_subset(int l, int u, vector<int> w) {
    vector <bool> tab(u+1,false);
    tab[0]=true;
    vector <set<int>> ind(u+1);
    int stop = -1;
    for(int i = 0;i < w.size();i++){
        for(int j = u;j -w[i] >= 0;j--){
            if(tab[j-w[i]] && !tab[j]){
                tab[j]=true;
                ind[j].insert(i);
                if(j >= l){
                    stop = j;
                    break;
                }
            }
        }
        if(stop > -1){
            break;
        }
    }
    if(stop > -1){
        vector <int>res;
        for(auto i : ind[stop]){
            res.push_back(i);
        }
        return res;
    }else{
        return {};
    }
}

Compilation message (stderr)

molecules.cpp: In function 'std::vector<int> find_subset(int, int, std::vector<int>)':
molecules.cpp:11:21: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   11 |     for(int i = 0;i < w.size();i++){
      |                   ~~^~~~~~~~~~

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