#include <bits/stdc++.h>
#define MAXN 510
#define lp(i,a,b) for(int i=a;i<b;i++)
using namespace std ;
int n , m ;
int mat[MAXN][MAXN] ;
int dx[4] = {1,0,-1,0} ;
int dy[4] = {0,-1,0,1} ;
bool valid(int x, int y)
{ return (x>=0 && x< n && y>=0 && y<m) ; }
int tot = 0 ;
int dfs(int x , int y , int busco)
{
tot ++ ;
mat[x][y] = !busco ;
lp(i,0,4)
{
int a = x + dx[i] ;
int b = y+dy[i] ;
if( !valid(a,b) || mat[a][b] != busco ) continue ;
dfs(a,b,busco) ;
}
}
int main()
{
scanf("%d%d", &n , &m ) ;
lp(i,0,n)
lp(j,0,m)
{
char c ;
scanf(" %c", &c ) ;
if(c=='.') mat[i][j] = -1 ;
else mat[i][j] = (c=='R'?0:1);
}
int ant = 0 , animal = 0 ;
while(true)
{
tot = 0 ;
dfs(0,0,mat[0][0]) ;
if( ant == tot ) break ;
animal ++ ;
ant = tot ;
}
printf("%d\n" , animal ) ;
}
Compilation message
tracks.cpp: In function 'int dfs(int, int, int)':
tracks.cpp:34:1: warning: no return statement in function returning non-void [-Wreturn-type]
}
^
tracks.cpp: In function 'int main()':
tracks.cpp:38:7: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
scanf("%d%d", &n , &m ) ;
~~~~~^~~~~~~~~~~~~~~~~~
tracks.cpp:43:9: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
scanf(" %c", &c ) ;
~~~~~^~~~~~~~~~~~
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
218 ms |
11664 KB |
Output is correct |
| 2 |
Correct |
2 ms |
376 KB |
Output is correct |
| 3 |
Correct |
3 ms |
376 KB |
Output is correct |
| 4 |
Correct |
39 ms |
8480 KB |
Output is correct |
| 5 |
Correct |
50 ms |
1400 KB |
Output is correct |
| 6 |
Correct |
2 ms |
376 KB |
Output is correct |
| 7 |
Correct |
3 ms |
376 KB |
Output is correct |
| 8 |
Correct |
3 ms |
632 KB |
Output is correct |
| 9 |
Correct |
4 ms |
504 KB |
Output is correct |
| 10 |
Correct |
53 ms |
992 KB |
Output is correct |
| 11 |
Correct |
9 ms |
2552 KB |
Output is correct |
| 12 |
Correct |
61 ms |
4312 KB |
Output is correct |
| 13 |
Correct |
49 ms |
1400 KB |
Output is correct |
| 14 |
Correct |
50 ms |
1488 KB |
Output is correct |
| 15 |
Correct |
324 ms |
3064 KB |
Output is correct |
| 16 |
Correct |
216 ms |
11716 KB |
Output is correct |
| 17 |
Correct |
346 ms |
4668 KB |
Output is correct |
| 18 |
Correct |
37 ms |
8568 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Runtime error |
5 ms |
2424 KB |
Execution killed with signal 11 (could be triggered by violating memory limits) |
| 2 |
Incorrect |
39 ms |
1400 KB |
Output isn't correct |
| 3 |
Incorrect |
116 ms |
1276 KB |
Output isn't correct |
| 4 |
Incorrect |
60 ms |
1272 KB |
Output isn't correct |
| 5 |
Incorrect |
89 ms |
1276 KB |
Output isn't correct |
| 6 |
Incorrect |
119 ms |
1372 KB |
Output isn't correct |
| 7 |
Incorrect |
3 ms |
1272 KB |
Output isn't correct |
| 8 |
Runtime error |
5 ms |
2424 KB |
Execution killed with signal 11 (could be triggered by violating memory limits) |
| 9 |
Incorrect |
8 ms |
376 KB |
Output isn't correct |
| 10 |
Incorrect |
4 ms |
376 KB |
Output isn't correct |
| 11 |
Incorrect |
10 ms |
1272 KB |
Output isn't correct |
| 12 |
Correct |
1151 ms |
1372 KB |
Output is correct |
| 13 |
Incorrect |
39 ms |
1272 KB |
Output isn't correct |
| 14 |
Incorrect |
32 ms |
1276 KB |
Output isn't correct |
| 15 |
Incorrect |
33 ms |
1272 KB |
Output isn't correct |
| 16 |
Incorrect |
105 ms |
1272 KB |
Output isn't correct |
| 17 |
Incorrect |
60 ms |
1400 KB |
Output isn't correct |
| 18 |
Incorrect |
64 ms |
1372 KB |
Output isn't correct |
| 19 |
Incorrect |
60 ms |
1400 KB |
Output isn't correct |
| 20 |
Incorrect |
59 ms |
1328 KB |
Output isn't correct |
| 21 |
Incorrect |
89 ms |
1400 KB |
Output isn't correct |
| 22 |
Incorrect |
89 ms |
1336 KB |
Output isn't correct |
| 23 |
Incorrect |
91 ms |
1400 KB |
Output isn't correct |
| 24 |
Runtime error |
88 ms |
2552 KB |
Execution killed with signal 11 (could be triggered by violating memory limits) |
| 25 |
Incorrect |
128 ms |
1356 KB |
Output isn't correct |
| 26 |
Correct |
105 ms |
1372 KB |
Output is correct |
| 27 |
Runtime error |
120 ms |
2524 KB |
Execution killed with signal 11 (could be triggered by violating memory limits) |
| 28 |
Incorrect |
119 ms |
1400 KB |
Output isn't correct |
| 29 |
Incorrect |
120 ms |
1372 KB |
Output isn't correct |
| 30 |
Incorrect |
121 ms |
1400 KB |
Output isn't correct |
| 31 |
Incorrect |
96 ms |
1384 KB |
Output isn't correct |
| 32 |
Runtime error |
119 ms |
2552 KB |
Execution killed with signal 11 (could be triggered by violating memory limits) |
