제출 #433525

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
433525		JUANDI321	Split the Attractions (IOI19_split)	C++17	컴파일 에러	0 ms	0 KiB

split

#include "split.h"
#include <vector>

using namespace std;
vector<vector<int>> g;
vector<int> res;
int aa, bb, cc;

void dfs(int node, int ant)
{
	if(a>0)
	{
		res[node]=1;
		a--;
	}
	else if(b>0)
	{
		res[node]=2;
		b--;
	}
	else 
	{
		res[node]=3;
		c--;
	}
	for(int y : g[node])
	{
		if(y!=ant)
		{
			dfs(y, node);
		}
	}
}
vector<int> find_split(int n, int a, int b, int c, vector<int> p, vector<int> q) 
{
	aa = a;
	bb = b;
	cc = c;
	//vector<int> res;
	for(int i = 0; i<p.size(); i++)
	{
		g[p[i]].push_back(q[i]);
		g[q[i]].push_back(p[i]);
	}
	int node =0;
	for(int i = 0; i<n; i++)
	{
		if(g[i].size()==1)
		{
			node = i;
			break;
		}
	}
	dfs(node, -1);
	return res;
}

컴파일 시 표준 에러 (stderr) 메시지

split.cpp: In function 'void dfs(int, int)':
split.cpp:11:5: error: 'a' was not declared in this scope; did you mean 'aa'?
   11 |  if(a>0)
      |     ^
      |     aa
split.cpp:16:10: error: 'b' was not declared in this scope; did you mean 'bb'?
   16 |  else if(b>0)
      |          ^
      |          bb
split.cpp:24:3: error: 'c' was not declared in this scope; did you mean 'cc'?
   24 |   c--;
      |   ^
      |   cc
split.cpp: In function 'std::vector<int> find_split(int, int, int, int, std::vector<int>, std::vector<int>)':
split.cpp:40:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   40 |  for(int i = 0; i<p.size(); i++)
      |                 ~^~~~~~~~~