Submission #982598

#	Time	Username	Problem	Language	Result	Execution time	Memory
982598		THXuan	Detecting Molecules (IOI16_molecules)	C++14	100 / 100	42 ms	10188 KiB

molecules

#include "molecules.h"
#include <bits/stdc++.h>
#define INF 1e9
using namespace std;
typedef long long ll;
vector<int> find_subset(int l, int u, vector<int> w) {
    vector<pair<ll,ll>>v;
    for(int i =0;i<w.size();i++) v.push_back({w[i], i});
    sort(v.begin(), v.end());
    ll sum = 0;
    int j = 0;
    vector<int>ans;
    for(int i =0;i<w.size();i++){
        sum += v[i].first;
        while(sum > u){
            sum -= v[j].first;
            ++j;
        }
        if(sum >= l){
            for(int k = j;k<=i;k++)ans.push_back(v[k].second);
            break;
        }
    }
    return ans;
}

Compilation message (stderr)

molecules.cpp: In function 'std::vector<int> find_subset(int, int, std::vector<int>)':
molecules.cpp:8:19: 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++) v.push_back({w[i], i});
      |                  ~^~~~~~~~~
molecules.cpp:13:19: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   13 |     for(int i =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