제출 #231987

#	제출 시각UTC-0	아이디	문제	언어	결과	실행 시간	메모리
231987	2020-05-15 15:01:15	DodgeBallMan	열대 식물원 (Tropical Garden) (IOI11_garden)	C++14	0 / 100	11 ms	9856 KiB

garden

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#include <bits/stdc++.h>
#include "gardenlib.h"
#include "garden.h"
using namespace std;
const int N = 3e5 + 10;
int chk[N], d[N], to[N], cyc;
vector<int> vec, g[N];
void dfs( int u ) {
    //printf("U %d\n",u);
    chk[u] = 1, vec.emplace_back( u );
    for( int v : g[u] ) {
        if( !chk[v] ) d[v] = d[u] + 1, dfs( v );
        else if( chk[v] == 1 ) for( int i = (int)vec.size() - 1 ; i >= 0 ; i-- ) {
            cyc++;
            if( vec[i] == v ) break;
        }
    }
    chk[u] = 2, vec.pop_back();
}
void count_routes( int n, int m, int p, int r[][2], int q, int G[] ) {
    for( int i = 0 ; i < m ; i++ ) {
        if( g[r[i][0]].size() < 2 ) g[r[i][0]].emplace_back( r[i][1] );
        if( g[r[i][1]].size() < 2 ) g[r[i][1]].emplace_back( r[i][0] );
    }
    for( int i = 0 ; i < n ; i++ ) for( int j = 0 ; j < g[i].size() ; j++ ) {
        int v = g[i][j], now = i + j*n;
 
 
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컴파일 시 표준 에러 (stderr) 메시지

garden.cpp: In function 'void count_routes(int, int, int, int (*)[2], int, int*)':
garden.cpp:29:55: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
     for( int i = 0 ; i < n ; i++ ) for( int j = 0 ; j < g[i].size() ; j++ ) {
                                                     ~~^~~~~~~~~~~~~

• Subtask 1: 0 / 49
• Subtask 2: 0 / 20
• Subtask 3: 0 / 31