제출 #380679

#제출 시각아이디문제언어결과실행 시간메모리
380679madlogicDetecting Molecules (IOI16_molecules)C++17
컴파일 에러
0 ms0 KiB
#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;
}

컴파일 시 표준 에러 (stderr) 메시지

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;
      |               ^~~