Submission #140127

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
140127	2019-08-02 07:13:46	rdd6584	Young Zebra (KRIII5_YZ)	C++14	0 / 7	63 ms	18040 KiB

YZ

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
#include <cstdio>
using namespace std;
char b[1201][1202];
int ans[1201][1201], prt[1201][1201];
int rgo[4] = { 1,0,-1,0 }, cgo[4] = { 0,1,0,-1 };
int n, m;
void copy(int r,int c) {
  for (int i = 0; i < n; i++) {
    for (int j = 0; j < m; j++)
      b[i + r][j + c] = b[i][j];
  }
}
int dfs(int r, int c, int w) {
  int ret = 0;
  bool flag = false;
  ans[r][c] = w;
  for (int i = 0; i < 4; i++) {
    int nr = rgo[i] + r, nc = c + cgo[i];
    if (nr < 0 || nc < 0 || nr >= 3 * n || nc >= 3 * m) 
      return -1;
    if (b[r][c] != b[nr][nc] || ans[nr][nc]) continue;
    int df = dfs(nr, nc, w);
    if (df != -1)ret += df;
    else {
      ret = -1;
      break;
    }
  }
  if (ret == -1) return -1;
 
 
הההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההה
XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX

Compilation message (stderr)

YZ.cpp: In function 'int dfs(int, int, int)':
YZ.cpp:16:7: warning: unused variable 'flag' [-Wunused-variable]
  bool flag = false;
       ^~~~
YZ.cpp: In function 'int main()':
YZ.cpp:43:7: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  scanf("%d %d", &n, &m);
  ~~~~~^~~~~~~~~~~~~~~~~
YZ.cpp:45:8: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   scanf("%s", b[i]);
   ~~~~~^~~~~~~~~~~~

• Subtask 1: 0 / 7