제출 #631777

#	제출 시각UTC-0	아이디	문제	언어	결과	실행 시간	메모리
631777	2022-08-18 17:29:49	mdn2002	Jail (JOI22_jail)	C++14	72 / 100	1350 ms	112364 KiB

jail

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#include<bits/stdc++.h>
using namespace std;
int n , m , st [200005][21] , dp [200005] , s [200005] , t [200005] , aaa [200005] , vis [200005] , ff;
vector < int > gr [200005] , grr [200005] , ss [200005] , tt [200005];
void dfs ( int x , int p )
{
    dp [x] = dp [p] + 1;
    st [x][0] = p;
    for ( auto u : gr [x] )
    {
        if ( u == p ) continue;
        dfs ( u , x );
    }
}
void go ( int x , int p )
{
    aaa [x] = aaa [p];
    if ( ss [x] . size () || tt [x] . size () ) aaa [x] = x;
    for ( auto u : gr [x] )
    {
        if ( u == p ) continue;
        go ( u , x );
    }
}
void dfss ( int x )
{
    vis [x] = 1;
    for ( auto u : grr [x] )
    {
        if ( vis [u] == 1 )
 
 
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컴파일 시 표준 에러 (stderr) 메시지

jail.cpp: In function 'int main()':
jail.cpp:107:17: warning: unused variable 'a' [-Wunused-variable]
  107 |             int a = lca ( s [i] , t [i] );
      |                 ^
jail.cpp:101:19: warning: unused variable 'sum' [-Wunused-variable]
  101 |         long long sum = 0;
      |                   ^~~

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