Submission #963827

#	Time	Username	Problem	Language	Result	Execution time	Memory
963827		marinaluca	Detecting Molecules (IOI16_molecules)	C++17	100 / 100	46 ms	9916 KiB

molecules

#include <bits/stdc++.h>

using namespace std;
#include "molecules.h"
vector <int> find_subset (const int l, const int u,const  vector <int> w){
    vector < pair <long long, long long>> ans;
    vector <int> v;
    for (long long i = 0; i < w.size(); ++ i){
        ans.push_back({w[i], i});
    }
    sort (ans.begin(), ans.end());
    for (long long i = 0, sum = 0, cnt = 0; i < w.size(); ++ i){
        sum += ans[i].first;
        while (sum > u){
            sum -= ans[cnt].first;
            ++ cnt;
        }
        if (sum >= l){
            for (long long idx = cnt; idx <= i; ++ idx){
                v.push_back(ans[idx].second);
            }
            break;
        }
    }
    return v;
}
/**
signed main(void){
    ios_base::sync_with_stdio(false);
    cin.tie(NULL);
    cout.tie(NULL);
    return 0 ^ 0;
}
**/

Compilation message (stderr)

molecules.cpp: In function 'std::vector<int> find_subset(int, int, std::vector<int>)':
molecules.cpp:8:29: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
    8 |     for (long long i = 0; i < w.size(); ++ i){
      |                           ~~^~~~~~~~~~
molecules.cpp:12:47: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   12 |     for (long long i = 0, sum = 0, cnt = 0; i < w.size(); ++ i){
      |                                             ~~^~~~~~~~~~

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