제출 #696366

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
696366		T0p_	슈퍼트리 잇기 (IOI20_supertrees)	C++14	컴파일 에러	0 ms	0 KiB

supertrees

// Subtask 2

#include "supertrees.h"
#include <bits/stdc++.h>
using namespace std;

const int N = 1000;

bool visited[N];

int construct(vector<vector<int>> p)
{
	int n = p.size();
	vector<vector<int>> ans(n, vector<int> (n, 0));
	
	vector<int> connectedList(n)
	for (int i=0 ; i<n ; i++) for (int j=0 ; j<n ; j++) if (p[i][j] == 1) connectedList[i].push_back(j);

	for (int i=0 ; i<n ; i++) for (int j=0 ; j<n ; j++) if (p[i][j] == 1 && connectedList[i] != connectedList[j]) return 0;

	for (int i=0 ; i<n ; i++) if (!visited[i])
	{
		visited[i] = true;

		for (int j=i+1 ; j<n ; j++) if (p[i][j] == 1)
		{
			visited[j] = true;
			ans[i][j] = ans[j][i] = 1;
		}
	}
	

	build(ans);
	return 1;
}

컴파일 시 표준 에러 (stderr) 메시지

supertrees.cpp: In function 'int construct(std::vector<std::vector<int> >)':
supertrees.cpp:17:2: error: expected ',' or ';' before 'for'
   17 |  for (int i=0 ; i<n ; i++) for (int j=0 ; j<n ; j++) if (p[i][j] == 1) connectedList[i].push_back(j);
      |  ^~~
supertrees.cpp:17:17: error: 'i' was not declared in this scope
   17 |  for (int i=0 ; i<n ; i++) for (int j=0 ; j<n ; j++) if (p[i][j] == 1) connectedList[i].push_back(j);
      |                 ^
supertrees.cpp:17:43: error: 'j' was not declared in this scope
   17 |  for (int i=0 ; i<n ; i++) for (int j=0 ; j<n ; j++) if (p[i][j] == 1) connectedList[i].push_back(j);
      |                                           ^