제출 #291977

#	제출 시각UTC-0	아이디	문제	언어	결과	실행 시간	메모리
291977	2020-09-06 06:34:30	Badrangiikh	꿈 (IOI13_dreaming)	C++14	32 / 100	91 ms	32888 KiB

dreaming

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#include "dreaming.h"
#include<bits/stdc++.h>
using namespace std;
int ans , maxx , x , y ;
int pare [ 1000005 ] ;
int a [ 1000005 ] ;
pair < int , int > pr , prr , pp ;
vector < pair < int , int > > vc [ 1000005 ] ;
vector < int > vec ;
bool used [ 1000005 ] ;
pair < int , int > dfs ( int chi , int par ) {
    used [ chi ] = 1 ;
    prr = { 0 , chi } ;
    for( auto &u : vc [ chi ] ) {
        if ( u . second == par ) continue;
        pp = dfs ( u . second , chi ) ;
        prr = max ( prr , { pp . first + u . first , pp . second } ) ;
    }
    a [ chi ] = prr . first ;
    pare [ chi ] = par ;
    return prr ; 
}
int travelTime (int N, int M, int L, int A[], int B[], int T[]) {
    for ( int i = 0 ; i < M ; i ++ ) {
        vc [ A [ i ] ] . push_back ( { T [ i ] , B [ i ] } ) ;
        vc [ B [ i ] ] . push_back ( { T [ i ] , A [ i ] } ) ;
    }
 
 
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컴파일 시 표준 에러 (stderr) 메시지

dreaming.cpp: In function 'int travelTime(int, int, int, int*, int*, int*)':
dreaming.cpp:45:29: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   45 |         for ( int i = 2 ; i < vec . size ( ) ; i ++ ) {
      |                           ~~^~~~~~~~~~~~~~~~

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