제출 #1183515

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
1183515		PagodePaiva	Thousands Islands (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;

const int N = 1010
vector <int> g[N];

std::variant<bool, std::vector<int>> find_journey(
    int N, int M, std::vector<int> U, std::vector<int> V) {
    for(int i = 0;i < M;i++){
        g[U[i]].push_back(V[i]);
    }  
    if(g[0].size() < 2) return false;
    vector <int> ans = {};
    return ans;
}

컴파일 시 표준 에러 (stderr) 메시지

islands.cpp:9:1: error: expected ',' or ';' before 'vector'
    9 | vector <int> g[N];
      | ^~~~~~
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:14:9: error: 'g' was not declared in this scope
   14 |         g[U[i]].push_back(V[i]);
      |         ^
islands.cpp:16:8: error: 'g' was not declared in this scope
   16 |     if(g[0].size() < 2) return false;
      |        ^