Submission #231987

#TimeUTC-0UsernameProblemLanguageResultExecution timeMemory
2319872020-05-15 15:01:15DodgeBallManTropical Garden (IOI11_garden)C++14
0 / 100
11 ms9856 KiB
#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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Compilation message (stderr)

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++ ) {
                                                     ~~^~~~~~~~~~~~~
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