제출 #1078211

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
1078211		Marco_Escandon	9월 (APIO24_september)	C++17	0 / 100	1014 ms	1048576 KiB

september

#include "september.h"
#include <bits/stdc++.h>
using namespace std;
typedef int ll;
#define x first
#define y second
vector<ll> temp,p;
vector<vector<ll>> G;
ll dfs(ll node)
{
	ll asd=temp[node];
	for(auto i:G[node])
	{
		asd=max(asd,dfs(i));
	}
	p[node]=asd;
	return asd;
}
int solve(int n, int m, std::vector<int> F, std::vector<std::vector<int>> S) {
	G.resize(n+2);temp.resize(n+2);p.resize(n+2);
	for(int i=0; i<S[0].size(); i++)
		temp[S[0][i]]=i;
	for(int i=1; i<n; i++)
		G[F[i]].push_back(i);
	dfs(0);
	ll a=-1,cont=0;
	for(int i=0; i<S[0].size(); i++)
	{
		if(i>a) cont++;
		a=max(p[S[0][i]],a);
	}
	return cont;
}

컴파일 시 표준 에러 (stderr) 메시지

september.cpp: In function 'int solve(int, int, std::vector<int>, std::vector<std::vector<int> >)':
september.cpp:21:16: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   21 |  for(int i=0; i<S[0].size(); i++)
      |               ~^~~~~~~~~~~~
september.cpp:27:16: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   27 |  for(int i=0; i<S[0].size(); i++)
      |               ~^~~~~~~~~~~~

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