Submission #380679

#	Time	Username	Problem	Language	Result	Execution time	Memory
380679		madlogic	Detecting Molecules (IOI16_molecules)	C++17	Compilation error	0 ms	0 KiB

molecules

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

std::vector<int> find_subset(int l, int u, std::vector<int> w) {
  vector<int> res;
  int n = (int) w.size();
  for (int i = 0; i < n; i++) {
    if (w[i] >= l && w[i] <= u) {
      return {i};
    }
  }
  vector<pair<int, int>> nums;
  for (int i = 0; i < n; i++) {
    if (w[i] <= u) {
      nums.emplace_back(w[i], i);
    }
  }
  sort(nums.rbegin(), nums.rend());
  int cur = 0;
  vector<int> res;
  for (auto& [x, y] : nums) {
    if (cur + x > u) {
      continue;
    }
    cur += x;
    res.push_back(y);
  }
  return res;
}

Compilation message (stderr)

molecules.cpp: In function 'std::vector<int> find_subset(int, int, std::vector<int>)':
molecules.cpp:21:15: error: redeclaration of 'std::vector<int> res'
   21 |   vector<int> res;
      |               ^~~
molecules.cpp:6:15: note: 'std::vector<int> res' previously declared here
    6 |   vector<int> res;
      |               ^~~