제출 #1367945

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
1367945		mannshah1211	수천개의 섬 (IOI22_islands)	C++20	컴파일 에러	0 ms	0 KiB

islands

#include "islands.h"
#include <bits/stdc++.h>
#include <variant>
#include <vector>

using namespace std;

variant<bool, vector<int>> find_journey(int n, int m, vector<int> u, vector<int> v) {
  int cnt = 0;
  for (int i = 0; i < m; i++) {
    if (u[i] == 0) {
      cnt++;
    }
  }
  if (cnt >= 2) {
    vector<int> ans;
    vector<int> zz;
    for (int i = 0; i < m; i++) {
      if (u[i] == 0) {
        zz.push_back(i);
      }
    }
    ans.push_back(zz[0]);
    ans.push_back(zz[0] ^ 1);
    ans.push_back(zz[1]);
    ans.push_back(zz[1] ^ 1);
    ans.push_back(zz[0] ^ 1);
    ans.push_back(zz[0]);
    ans.push_back(zz[1] ^ 1);
    ans.push_back(zz[1]);
    return ans;
  }
  if (cnt == 1) {
    int vv = -1;
    for (int i = 0; i < m; i++) {
      if (u[i] == 0) {
        vv = i;
        break;
      }
    }
    vector<int> zz;
    for (int i = 0; i < m; i++) {
      if (u[i] == v[vv] && v[i] != 0) {
        zz.push_back(i);
      }
    }
    vector<int> ans;
    if (cri.size() >= 2) {
      ans.push_back(vv);
      ans.push_back(zz[0]);
      ans.push_back(zz[0] ^ 1);
      ans.push_back(zz[1]);
      ans.push_back(zz[1] ^ 1);
      ans.push_back(zz[0] ^ 1);
      ans.push_back(zz[0]);
      ans.push_back(zz[1] ^ 1);
      ans.push_back(zz[1]);
      ans.push_back(vv);
      return ans;
    }
    return false;
  }
  return false;
}

컴파일 시 표준 에러 (stderr) 메시지

islands.cpp: In function 'std::variant<bool, std::vector<int, std::allocator<int> > > find_journey(int, int, std::vector<int>, std::vector<int>)':
islands.cpp:48:9: error: 'cri' was not declared in this scope
   48 |     if (cri.size() >= 2) {
      |         ^~~