n, m = map(int,input().split())
v = []
for i in range(n):
s = input()
v += [s]
cnt_o = [[0 for i in range(m + 1)]for i in range(n + 1)]
cnt_i = [[0 for i in range(n + 1)]for i in range(m + 1)]
for i in range(n):
x = 0
for j in range(m):
if v[i][j] == 'O':
x += 1
cnt_o[i][j] = x
for i in range(m):
for j in range(n):
ok = 0
if v[j][i] == 'I':ok = 1
cnt_i[i][j] = cnt_i[i][j - 1] + ok
ans =0
for i in range(n):
for j in range(m):
if v[i][j] == 'J':
print(i,j)
x = cnt_o[i][m - 1] - cnt_o[i][j]
y = cnt_i[j][n - 1] - cnt_i[j][i]
# print(x,y)
ans += x * y
print(ans)
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Incorrect |
29 ms |
18228 KB |
Output isn't correct |
2 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Incorrect |
29 ms |
18228 KB |
Output isn't correct |
2 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Incorrect |
29 ms |
18228 KB |
Output isn't correct |
2 |
Halted |
0 ms |
0 KB |
- |