Submission #1304253

#	Time	Username	Problem	Language	Result	Execution time	Memory
1304253		Johan	Detecting Molecules (IOI16_molecules)	C++20	0 / 100	1 ms	340 KiB

molecules

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

vector < int > find_subset(int l, int u, vector < int > w){
  int n = w.size();
  map < int , vector < int > > id;
  for(int i = 0; i < w.size(); i++)
  	id[w[i]].push_back(i);
  sort(w.begin(), w.end());
  for(int i = 0; i < n; i++){
  	int j = i;
  	while(j < n && w[j] - w[i] <= u - l)j++;
  	int ans = 0;
  	vector < int > y;
  	for(int z = j; z >= i; z--){
  		ans += w[z];
  		y.push_back(w[z]);
  		if(ans > u){
  			ans -= w[z];
  			y.pop_back();
			}
		}
		if(ans >= l && ans <= u){
			vector < int > rs;
			for(auto i : y){
				rs.push_back(id[i].back());
				id[i].pop_back();	
			}
			reverse(rs.begin(), rs.end());
			return rs;
		}
	}
	return {};
}

Compilation message (stderr)

molecules.h:1:9: warning: #pragma once in main file
    1 | #pragma once
      |         ^~~~
molecules_c.h:1:9: warning: #pragma once in main file
    1 | #pragma once
      |         ^~~~

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