Submission #828623

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
828623	2023-08-17T12:50:53 Z	Imeon	Bitaro the Brave (JOI19_ho_t1)	PyPy 3	100 / 100	704 ms	180560 KB

joi2019_ho_t1

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)

Subtask #1

20.0 / 20.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	41 ms	18196 KB	Output is correct
2	Correct	30 ms	18200 KB	Output is correct
3	Correct	36 ms	18216 KB	Output is correct
4	Correct	28 ms	18140 KB	Output is correct
5	Correct	47 ms	20492 KB	Output is correct
6	Correct	51 ms	20544 KB	Output is correct
7	Correct	50 ms	20264 KB	Output is correct
8	Correct	44 ms	19984 KB	Output is correct
9	Correct	51 ms	20376 KB	Output is correct
10	Correct	50 ms	20244 KB	Output is correct
11	Correct	47 ms	20220 KB	Output is correct
12	Correct	66 ms	20204 KB	Output is correct
13	Correct	53 ms	20236 KB	Output is correct

Subtask #2

30.0 / 30.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	41 ms	18196 KB	Output is correct
2	Correct	30 ms	18200 KB	Output is correct
3	Correct	36 ms	18216 KB	Output is correct
4	Correct	28 ms	18140 KB	Output is correct
5	Correct	47 ms	20492 KB	Output is correct
6	Correct	51 ms	20544 KB	Output is correct
7	Correct	50 ms	20264 KB	Output is correct
8	Correct	44 ms	19984 KB	Output is correct
9	Correct	51 ms	20376 KB	Output is correct
10	Correct	50 ms	20244 KB	Output is correct
11	Correct	47 ms	20220 KB	Output is correct
12	Correct	66 ms	20204 KB	Output is correct
13	Correct	53 ms	20236 KB	Output is correct
14	Correct	65 ms	23084 KB	Output is correct
15	Correct	53 ms	19904 KB	Output is correct
16	Correct	73 ms	22724 KB	Output is correct
17	Correct	41 ms	19524 KB	Output is correct
18	Correct	67 ms	24500 KB	Output is correct
19	Correct	96 ms	24328 KB	Output is correct
20	Correct	80 ms	25000 KB	Output is correct
21	Correct	72 ms	25096 KB	Output is correct
22	Correct	67 ms	24056 KB	Output is correct
23	Correct	72 ms	25080 KB	Output is correct
24	Correct	70 ms	24716 KB	Output is correct
25	Correct	70 ms	24484 KB	Output is correct
26	Correct	78 ms	24988 KB	Output is correct

Subtask #3

50.0 / 50.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	41 ms	18196 KB	Output is correct
2	Correct	30 ms	18200 KB	Output is correct
3	Correct	36 ms	18216 KB	Output is correct
4	Correct	28 ms	18140 KB	Output is correct
5	Correct	47 ms	20492 KB	Output is correct
6	Correct	51 ms	20544 KB	Output is correct
7	Correct	50 ms	20264 KB	Output is correct
8	Correct	44 ms	19984 KB	Output is correct
9	Correct	51 ms	20376 KB	Output is correct
10	Correct	50 ms	20244 KB	Output is correct
11	Correct	47 ms	20220 KB	Output is correct
12	Correct	66 ms	20204 KB	Output is correct
13	Correct	53 ms	20236 KB	Output is correct
14	Correct	65 ms	23084 KB	Output is correct
15	Correct	53 ms	19904 KB	Output is correct
16	Correct	73 ms	22724 KB	Output is correct
17	Correct	41 ms	19524 KB	Output is correct
18	Correct	67 ms	24500 KB	Output is correct
19	Correct	96 ms	24328 KB	Output is correct
20	Correct	80 ms	25000 KB	Output is correct
21	Correct	72 ms	25096 KB	Output is correct
22	Correct	67 ms	24056 KB	Output is correct
23	Correct	72 ms	25080 KB	Output is correct
24	Correct	70 ms	24716 KB	Output is correct
25	Correct	70 ms	24484 KB	Output is correct
26	Correct	78 ms	24988 KB	Output is correct
27	Correct	641 ms	171412 KB	Output is correct
28	Correct	99 ms	24856 KB	Output is correct
29	Correct	97 ms	32384 KB	Output is correct
30	Correct	51 ms	20796 KB	Output is correct
31	Correct	492 ms	132048 KB	Output is correct
32	Correct	542 ms	180248 KB	Output is correct
33	Correct	552 ms	180476 KB	Output is correct
34	Correct	534 ms	149552 KB	Output is correct
35	Correct	597 ms	180240 KB	Output is correct
36	Correct	535 ms	180560 KB	Output is correct
37	Correct	704 ms	180436 KB	Output is correct
38	Correct	402 ms	132064 KB	Output is correct
39	Correct	421 ms	132328 KB	Output is correct