제출 #1211619

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
1211619		serkanrashid	수천개의 섬 (IOI22_islands)	C++20	컴파일 에러	0 ms	0 KiB

islands

#include "islands.h"
#include <bits/stdc++.h>
#define endl "\n"

using namespace std;


const int MAXN = 2e5+5;
int n,m,u[MAXN],v[MAXN];

int idx,ans[MAXN];

void solve1()
{
    vector<int>br0,br1;
    for(int i = 0; i < m; i++)
    {
        if(u[i] == 0) br0.push_back(i);
        else br1.push_back(i);
    }
    if((int)br0.size() >= 2 && (int)br1.size() >= 1)
    {
        int u1 = br0[0];
        int u2 = br0[1];
        int v = br1[0];
        ans[idx] = u1;
        ans[idx+1] = v;
        ans[idx+2] = u2;
        ans[idx+3] = u1;
        ans[idx+4] = v;
        ans[idx+5] = u2;
        idx += 6;
    }
}

variant <bool, vector<int> > find_journey(int N, int M, int[] U, int[] V)
{
    n = N;
    m = M;
    for(int i = 0; i < M; i++)
    {
        u[i] = U[i];
        v[i] = V[i];
    }

    if(n == 2)
    {
        solve1();
        vector<int>res;
        res.resize(idx);
        for(int i = 0; i < idx; i++) res[i] = ans[i];
        return res;
    }

}

컴파일 시 표준 에러 (stderr) 메시지

islands.cpp:36:63: error: expected ',' or '...' before 'U'
   36 | variant <bool, vector<int> > find_journey(int N, int M, int[] U, int[] V)
      |                                                               ^
islands.cpp: In function 'std::variant<bool, std::vector<int, std::allocator<int> > > find_journey(int, int, int*)':
islands.cpp:42:16: error: 'U' was not declared in this scope
   42 |         u[i] = U[i];
      |                ^
islands.cpp:43:16: error: 'V' was not declared in this scope
   43 |         v[i] = V[i];
      |                ^
islands.cpp:55:1: warning: control reaches end of non-void function [-Wreturn-type]
   55 | }
      | ^