제출 #709617

#	제출 시각UTC-0	아이디	문제	언어	결과	실행 시간	메모리
709617	2023-03-14 02:52:50	null_awe	Minerals (JOI19_minerals)	C++14	90 / 100	69 ms	3780 KiB

minerals

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#include <iostream>
#include <vector>
#include <set>
#include <algorithm>
#include <random>
#include "minerals.h"
using namespace std;
vector<bool> on;
int ans;
void solve(vector<int> a, vector<int> b) {
  if (a.size() == 1) {
    Answer(a[0], b[0]);
    return;
  }
  auto rng = default_random_engine{};
  shuffle(a.begin(), a.end(), rng);
  int n = a.size() / 2, m = a.size() - n;
  vector<int> a1(n), a2(m);
  vector<int> b1, b2;
  for (int i = 0; i < n; ++i) a1[i] = a[i];
  for (int i = 0; i < m; ++i) a2[i] = a[i + n];
  vector<int> chg(2);
  for (int i : a1) ++chg[on[i]];
  for (int i : a2) ++chg[1 - on[i]];
  if (chg[0] > chg[1]) swap(n, m), swap(a1, a2), swap(b1, b2);
  for (int i : a1) if (!on[i]) ans = Query(i), on[i] = 1;
  for (int i : a2) if (on[i]) ans = Query(i), on[i] = 0;
  for (int i : b) {
 
 
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컴파일 시 표준 에러 (stderr) 메시지

minerals.cpp: In function 'void solve(std::vector<int>, std::vector<int>)':
minerals.cpp:31:19: warning: comparison of integer expressions of different signedness: 'std::vector<int>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
   31 |     if (b1.size() == n) {
      |         ~~~~~~~~~~^~~~
minerals.cpp:35:19: warning: comparison of integer expressions of different signedness: 'std::vector<int>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
   35 |     if (b2.size() == m) {
      |         ~~~~~~~~~~^~~~

• Subtask 1: 6 / 6
• Subtask 2: 25 / 25
• Subtask 3: 9 / 9
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• Subtask 5: 5 / 5
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• Subtask 9: 0 / 10