GirlCat
Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 32768/32768 K (Java/Others)
Total Submission(s): 88 Accepted Submission(s): 71
Under the influence of Kotori, many girls and cats are playing “Hide and Seek” together.
Koroti shots a photo. The size of this photo is
n
×
m
, each pixel of the photo is a character of the lowercase(from `a’ to `z’).
Kotori wants to know how many girls and how many cats are there in the photo.
We define a girl as — we choose a point as the start, passing by 4 different connected points continuously, and the four characters are exactly “girl” in the order.
We define two girls are different if there is at least a point of the two girls are different.
We define a cat as — we choose a point as the start, passing by 3 different connected points continuously, and the three characters are exactly “cat” in the order.
We define two cats are different if there is at least a point of the two cats are different.
Two points are regarded to be connected if and only if they share a common edge.
T
which represents the case number.
As for each case, the first line are two integers
n
and
m
, which are the height and the width of the photo.
Then there are
n
lines followed, and there are
m
characters of each line, which are the the details of the photo.
It is guaranteed that:
T
is about 50.
1
≤
n
≤
1000
.
1
≤
m
≤
1000
.
∑
(
n
×
m
)
≤
2
×
10
6
.
There should be 2 integers in the line with a blank between them representing the number of girls and cats respectively.
Please make sure that there is no extra blank.
3 1 4 girl 2 3 oto cat 3 4 girl hrlt hlca
1 0 0 2 4 1#include<cstdio> using namespace std; char g[5] = { "girl" }, c[4] = { "cat" }; int dx[4] = { -1, 0, 0, 1 }, dy[4] = { 0, -1, 1, 0 }; char map[1200][1200]; int n, m; int ans1, ans2; void dfs_girl(int i, int j, int pos) { if (pos == 4) { ans1++; return; } for (int k = 0; k < 4; k++) { int x = i + dx[k], y = j + dy[k]; if (x<1 || y<1 || x>n || y>m)continue; if (map[x][y] == g[pos]) dfs_girl(x, y, pos + 1); } } void dfs_cat(int i, int j, int pos) { if (pos == 3) { ans2++; return; } for (int k = 0; k < 4; k++) { int x = i + dx[k], y = j + dy[k]; if (x<1 || y<1 || x>n || y>m)continue; if (map[x][y] == c[pos]) dfs_cat(x, y, pos + 1); } } int main() { int t; scanf("%d", &t); while (t--) { ans1 = 0, ans2 = 0; scanf("%d%d", &n, &m); for (int i = 1; i <= n; i++) scanf("%s", map[i] + 1); for (int i = 1; i <= n; i++) for (int j = 1; j <= m; j++) { if (map[i][j] == 'g') dfs_girl(i, j, 1); if (map[i][j] == 'c') dfs_cat(i, j, 1); } printf("%d %d\n", ans1, ans2); } return 0; }