import java.io.*;
import java.util.StringTokenizer;
public class joi2019_ho_t1 {
static BufferedReader fin = new BufferedReader(new InputStreamReader(System.in));
static StringTokenizer st;
public static void main(String[] args) throws IOException {
// BufferedReader fin = new BufferedReader(new FileReader("03-01.txt"));
st = new StringTokenizer(fin.readLine());
int H = Integer.parseInt(st.nextToken());
int W = Integer.parseInt(st.nextToken());
char[][] board = new char[H][W];
for (int i = 0; i < H; i++) {
board[i] = new StringTokenizer(fin.readLine()).nextToken().toCharArray();
}
int[] countI = new int[W];
int[] countO = new int[H];
for (int i = 0; i < H; i++) {
for (int j = 0; j < W; j++) {
if (board[i][j] == 'O') {
countO[i]++;
}
else if (board[i][j] == 'I') {
countI[j]++;
}
}
}
long res = 0;
for (int i = 0; i < H; i++) {
for (int j = 0; j < W; j++) {
if (board[i][j] == 'J') {
res += countI[j]*countO[i];
}
else if (board[i][j] == 'O') {
countO[i]--;
}
else {
countI[j]--;
}
}
}
PrintWriter out = new PrintWriter(System.out);
out.println(res);
out.close();
}
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
85 ms |
10236 KB |
Output is correct |
2 |
Correct |
88 ms |
10104 KB |
Output is correct |
3 |
Correct |
87 ms |
10224 KB |
Output is correct |
4 |
Correct |
85 ms |
10300 KB |
Output is correct |
5 |
Correct |
96 ms |
10520 KB |
Output is correct |
6 |
Correct |
94 ms |
10368 KB |
Output is correct |
7 |
Correct |
93 ms |
10584 KB |
Output is correct |
8 |
Correct |
93 ms |
10396 KB |
Output is correct |
9 |
Correct |
98 ms |
10552 KB |
Output is correct |
10 |
Correct |
93 ms |
10268 KB |
Output is correct |
11 |
Correct |
101 ms |
10644 KB |
Output is correct |
12 |
Correct |
93 ms |
10616 KB |
Output is correct |
13 |
Correct |
93 ms |
10400 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
85 ms |
10236 KB |
Output is correct |
2 |
Correct |
88 ms |
10104 KB |
Output is correct |
3 |
Correct |
87 ms |
10224 KB |
Output is correct |
4 |
Correct |
85 ms |
10300 KB |
Output is correct |
5 |
Correct |
96 ms |
10520 KB |
Output is correct |
6 |
Correct |
94 ms |
10368 KB |
Output is correct |
7 |
Correct |
93 ms |
10584 KB |
Output is correct |
8 |
Correct |
93 ms |
10396 KB |
Output is correct |
9 |
Correct |
98 ms |
10552 KB |
Output is correct |
10 |
Correct |
93 ms |
10268 KB |
Output is correct |
11 |
Correct |
101 ms |
10644 KB |
Output is correct |
12 |
Correct |
93 ms |
10616 KB |
Output is correct |
13 |
Correct |
93 ms |
10400 KB |
Output is correct |
14 |
Correct |
156 ms |
14180 KB |
Output is correct |
15 |
Correct |
98 ms |
10652 KB |
Output is correct |
16 |
Correct |
134 ms |
13588 KB |
Output is correct |
17 |
Correct |
89 ms |
10428 KB |
Output is correct |
18 |
Correct |
193 ms |
15488 KB |
Output is correct |
19 |
Correct |
171 ms |
15320 KB |
Output is correct |
20 |
Correct |
172 ms |
15480 KB |
Output is correct |
21 |
Correct |
171 ms |
15360 KB |
Output is correct |
22 |
Correct |
173 ms |
15496 KB |
Output is correct |
23 |
Correct |
163 ms |
16008 KB |
Output is correct |
24 |
Correct |
192 ms |
15212 KB |
Output is correct |
25 |
Correct |
169 ms |
15848 KB |
Output is correct |
26 |
Correct |
165 ms |
15820 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
85 ms |
10236 KB |
Output is correct |
2 |
Correct |
88 ms |
10104 KB |
Output is correct |
3 |
Correct |
87 ms |
10224 KB |
Output is correct |
4 |
Correct |
85 ms |
10300 KB |
Output is correct |
5 |
Correct |
96 ms |
10520 KB |
Output is correct |
6 |
Correct |
94 ms |
10368 KB |
Output is correct |
7 |
Correct |
93 ms |
10584 KB |
Output is correct |
8 |
Correct |
93 ms |
10396 KB |
Output is correct |
9 |
Correct |
98 ms |
10552 KB |
Output is correct |
10 |
Correct |
93 ms |
10268 KB |
Output is correct |
11 |
Correct |
101 ms |
10644 KB |
Output is correct |
12 |
Correct |
93 ms |
10616 KB |
Output is correct |
13 |
Correct |
93 ms |
10400 KB |
Output is correct |
14 |
Correct |
156 ms |
14180 KB |
Output is correct |
15 |
Correct |
98 ms |
10652 KB |
Output is correct |
16 |
Correct |
134 ms |
13588 KB |
Output is correct |
17 |
Correct |
89 ms |
10428 KB |
Output is correct |
18 |
Correct |
193 ms |
15488 KB |
Output is correct |
19 |
Correct |
171 ms |
15320 KB |
Output is correct |
20 |
Correct |
172 ms |
15480 KB |
Output is correct |
21 |
Correct |
171 ms |
15360 KB |
Output is correct |
22 |
Correct |
173 ms |
15496 KB |
Output is correct |
23 |
Correct |
163 ms |
16008 KB |
Output is correct |
24 |
Correct |
192 ms |
15212 KB |
Output is correct |
25 |
Correct |
169 ms |
15848 KB |
Output is correct |
26 |
Correct |
165 ms |
15820 KB |
Output is correct |
27 |
Correct |
560 ms |
64076 KB |
Output is correct |
28 |
Correct |
119 ms |
11924 KB |
Output is correct |
29 |
Correct |
231 ms |
19016 KB |
Output is correct |
30 |
Correct |
97 ms |
10396 KB |
Output is correct |
31 |
Correct |
484 ms |
60228 KB |
Output is correct |
32 |
Correct |
461 ms |
65640 KB |
Output is correct |
33 |
Correct |
405 ms |
65020 KB |
Output is correct |
34 |
Correct |
460 ms |
62296 KB |
Output is correct |
35 |
Correct |
444 ms |
65540 KB |
Output is correct |
36 |
Correct |
404 ms |
65128 KB |
Output is correct |
37 |
Correct |
485 ms |
66128 KB |
Output is correct |
38 |
Correct |
363 ms |
59992 KB |
Output is correct |
39 |
Correct |
372 ms |
60944 KB |
Output is correct |