Submission #769364

#	Time	Username	Problem	Language	Result	Execution time	Memory
769364		Mery2005	Detecting Molecules (IOI16_molecules)	C++14	31 / 100	3 ms	980 KiB

molecules

#include <iostream>
#include <algorithm>
#include <queue>
#include <cmath>
#include <vector>
#include <list>
#include <string>
#include <unordered_map>
#include <map>
#include <set>
#include <stack>
#include <string>
#include <iomanip>
#include <fstream>
 
using namespace std;

void fastio() {
    ios_base::sync_with_stdio(false);
    cin.tie(0);
}

const long long mod = 1e9+7;
const int N = 3e5+5;
int a[N] , dp[N];

vector<int> find_subset(int l, int u, vector<int> w){
  int n = w.size();
  vector<pair<int , int>> w1;
  for(int i = 0 ; i < w.size() ; i++){
    w1.push_back({w[i] , i});
  }
  sort(w1.begin() , w1.end());
  int ind = 0;
  int s = 0;
  for(int i = 0 ; i < n ; i++){
    while(s < l){
      s += w1[ind].first;
      ind++;
    }
    if(s >= l && s <= u){
      vector<int> res;
			for (int j = i; j < ind; j++) {
				res.push_back(w1[j].second);
			}
			return res;
    }
    s -= w1[i].first;
  }
  return vector<int>(0);
}

// int main(){
//   vector<int> ans = find_subset(15, 17, {6, 8, 8, 7});
//   for(auto x : ans){
//     cout << x << endl;
//   }
//   return 0;
// }

Compilation message (stderr)

molecules.cpp: In function 'std::vector<int> find_subset(int, int, std::vector<int>)':
molecules.cpp:30:21: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   30 |   for(int i = 0 ; i < w.size() ; i++){
      |                   ~~^~~~~~~~~~

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