Submission #145063

#	Time	Username	Problem	Language	Result	Execution time	Memory
145063		Nightlight	Detecting Molecules (IOI16_molecules)	C++14	0 / 100	2 ms	376 KiB

molecules

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

vector<int> ans;

vector<int> find_subset(int l, int u, vector<int> w) {
  sort(w.begin(), w.end());
  int min = w[0];int N = w.size();
  int sum = w[0];
  int low = 0, up = 0;
  while((sum < l || sum > u) && up < N){
    if(low > up)break;
    if(sum < l){
      up++;
      sum += w[up];
    }else if(sum > u){
      sum -= w[low];
      low++;
    }
//    cout << low << " " << up << " " << sum << "\n";
  }
  if(l <= sum && sum <= u){
    for(int i = low; i <= up; i++){
      ans.push_back(w[i]);
    }
    return ans;
  }
  return vector<int>(0);
}

Compilation message (stderr)

molecules.cpp: In function 'std::vector<int> find_subset(int, int, std::vector<int>)':
molecules.cpp:9:7: warning: unused variable 'min' [-Wunused-variable]
   int min = w[0];int N = w.size();
       ^~~

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