Submission #642548

#	Time	Username	Problem	Language	Result	Execution time	Memory
642548		rc_catunta	Detecting Molecules (IOI16_molecules)	C++17	69 / 100	1087 ms	4948 KiB

molecules

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

using namespace std;

typedef pair<int,int> ii;

vector<int> find_subset(int l, int u, vector<int> w) {
    vector<ii> v;
    for(int i=0;i<w.size();i++){
        v.push_back(ii(w[i],i));
    }
    sort(v.begin(),v.end());
    // Acumuladas
    vector<int>a;
    a.push_back(v[0].first);
    for(int i=1;i<v.size();i++){
        a.push_back(a[i-1]+v[i].first);
    }  
    vector<int> res;
    int sum = 0;
    // Super Fuerza Bruta
    for(int i=0;i<w.size();i++){
        for(int j=0;j<w.size();j++){
            res.clear();
            sum = a[j];
            if(i>0) sum -= a[i-1];
            if(sum>=l and sum<=u){
                for(int k=i;k<=j;k++){
                    res.push_back(v[k].second);
                }
                return res;
            }
        }
    }
    res.clear();
    return res;
}

Compilation message (stderr)

molecules.cpp: In function 'std::vector<int> find_subset(int, int, std::vector<int>)':
molecules.cpp:10:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   10 |     for(int i=0;i<w.size();i++){
      |                 ~^~~~~~~~~
molecules.cpp:17:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   17 |     for(int i=1;i<v.size();i++){
      |                 ~^~~~~~~~~
molecules.cpp:23:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   23 |     for(int i=0;i<w.size();i++){
      |                 ~^~~~~~~~~
molecules.cpp:24:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   24 |         for(int j=0;j<w.size();j++){
      |                     ~^~~~~~~~~

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