Submission #384519

#	Time	Username	Problem	Language	Result	Execution time	Memory
384519		AlexRex0	Detecting Molecules (IOI16_molecules)	C++14	19 / 100	2 ms	384 KiB

molecules

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

vector<int> res;
vector< pair<int, int> > arre;
pair<int, int> aux;

vector<int> find_subset(int l, int u, vector<int> w) {
    long long int ini = 0, fin = 0, suma = 0;
    for(int i = 0; i < w.size(); ++i){
        aux.first = w[i];
        aux.second = i;
        arre.push_back(aux);
    }
    sort(arre.begin(), arre.end());
    bool encontre = false;
    while(fin < arre.size()){
        if(suma < l){
            suma+= arre[fin].first;
            fin++;
            if(suma >= l && suma <= u){
                int ind = 0;
                for(int i = ini; i <= fin - 1; ++i){
                    res.push_back(arre[i].second);
                    ind++;
                }
                encontre = true;
                break;
            }
        }else{
            suma-= arre[ini].first;
            ini++;
        }
    }
    if(encontre){
        return res;
    }else{
        fin--;
        while(ini <= fin){
            suma-= arre[ini].first;
            ini++;
            if(suma >= l && suma <= u){
                int ind = 0;
                for(int i = ini; i <= fin; ++i){
                    res.push_back(arre[i].second);
                    ind++;
                }
                break;
            }
        }
        return res;
    }
}

Compilation message (stderr)

molecules.cpp: In function 'std::vector<int> find_subset(int, int, std::vector<int>)':
molecules.cpp:11:22: 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){
      |                    ~~^~~~~~~~~~
molecules.cpp:18:15: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   18 |     while(fin < arre.size()){
      |           ~~~~^~~~~~~~~~~~~

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