Submission #483378

#	Time	Username	Problem	Language	Result	Execution time	Memory
483378		DavidDamian	Detecting Molecules (IOI16_molecules)	C++11	9 / 100	1 ms	296 KiB

molecules

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

vector<int> find_subset(int l, int r, vector<int> w) {
    vector< pair<int, int> > elements;
    
    for(int i = 0; i < w.size(); i++){
        elements.push_back({w[i], i});
    }
    sort(elements.begin(), elements.end());
    
    vector<int> indices;
    
    int sumEl = 0, i = 0, j = 0;
    
    while(j < elements.size()){
        if(sumEl < l){
            // if (j == elements.size() - 1) break;
            sumEl+=elements[j++].first;   
        }else if(sumEl > r){
            sumEl-=elements[i++].first;
        }
        if(sumEl >= l && sumEl <= r)
            break;
    }
    if(sumEl >= l && sumEl <=r){
        while(i<j)
            indices.push_back(elements[i++].second);
        
    }
    return indices;
}

Compilation message (stderr)

molecules.cpp: In function 'std::vector<int> find_subset(int, int, std::vector<int>)':
molecules.cpp:8:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
    8 |     for(int i = 0; i < w.size(); i++){
      |                    ~~^~~~~~~~~~
molecules.cpp:17:13: 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 |     while(j < elements.size()){
      |           ~~^~~~~~~~~~~~~~~~~

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