/* In The Name Of God */
#include <bits/stdc++.h>
using namespace std;
#define int long long
#define sw sync_with_stdio
// #pragma GCC optimize("Ofast, unroll-loops, O3")
#define fast ios::sw(0),cin.tie(0),cout.tie(0);
const int N = 3e3 + 3, M = 1e9 + 7, inf = 1e18 + 8;
int h, w, ans; char a[N][N];
deque <int> ii[N], oo[N];
signed main() {
fast; cin >> h >> w;
for (int i = 1; i <= h; ++i)
for (int j = 1; j <= w; ++j) {
cin >> a[i][j];
if (a[i][j] == 'O')
oo[i].push_back(j);
else if (a[i][j] == 'I')
ii[j].push_back(i);
}
for (int i = 1; i <= h; ++i)
for (int j = 1; j <= w; ++j)
if (a[i][j] == 'J') {
while (oo[i].size() && oo[i].front() <= j)
oo[i].pop_front();
while (ii[j].size() && ii[j].front() <= i)
ii[j].pop_front();
ans += oo[i].size() * ii[j].size();
}
cout << ans << '\n';
}
/*
.---. . .--.
| | | ) o
|--- .--.|--. |--: . ---.
| `--.| | | ) | .'
'---'`--'' `-'--'-' `-'---
*/
Compilation message
joi2019_ho_t1.cpp: In function 'int main()':
joi2019_ho_t1.cpp:16:6: warning: this 'for' clause does not guard... [-Wmisleading-indentation]
16 | for (int i = 1; i <= h; ++i)
| ^~~
joi2019_ho_t1.cpp:26:2: note: ...this statement, but the latter is misleadingly indented as if it were guarded by the 'for'
26 | for (int i = 1; i <= h; ++i)
| ^~~
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
5 ms |
6236 KB |
Output is correct |
2 |
Correct |
4 ms |
6388 KB |
Output is correct |
3 |
Correct |
4 ms |
6236 KB |
Output is correct |
4 |
Correct |
3 ms |
6236 KB |
Output is correct |
5 |
Correct |
3 ms |
6236 KB |
Output is correct |
6 |
Correct |
4 ms |
6236 KB |
Output is correct |
7 |
Correct |
4 ms |
6236 KB |
Output is correct |
8 |
Correct |
4 ms |
6236 KB |
Output is correct |
9 |
Correct |
4 ms |
6272 KB |
Output is correct |
10 |
Correct |
4 ms |
6404 KB |
Output is correct |
11 |
Correct |
4 ms |
6232 KB |
Output is correct |
12 |
Correct |
4 ms |
6236 KB |
Output is correct |
13 |
Correct |
3 ms |
6244 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
5 ms |
6236 KB |
Output is correct |
2 |
Correct |
4 ms |
6388 KB |
Output is correct |
3 |
Correct |
4 ms |
6236 KB |
Output is correct |
4 |
Correct |
3 ms |
6236 KB |
Output is correct |
5 |
Correct |
3 ms |
6236 KB |
Output is correct |
6 |
Correct |
4 ms |
6236 KB |
Output is correct |
7 |
Correct |
4 ms |
6236 KB |
Output is correct |
8 |
Correct |
4 ms |
6236 KB |
Output is correct |
9 |
Correct |
4 ms |
6272 KB |
Output is correct |
10 |
Correct |
4 ms |
6404 KB |
Output is correct |
11 |
Correct |
4 ms |
6232 KB |
Output is correct |
12 |
Correct |
4 ms |
6236 KB |
Output is correct |
13 |
Correct |
3 ms |
6244 KB |
Output is correct |
14 |
Correct |
12 ms |
7000 KB |
Output is correct |
15 |
Correct |
4 ms |
6236 KB |
Output is correct |
16 |
Correct |
5 ms |
6748 KB |
Output is correct |
17 |
Correct |
3 ms |
6236 KB |
Output is correct |
18 |
Correct |
13 ms |
7308 KB |
Output is correct |
19 |
Correct |
12 ms |
7772 KB |
Output is correct |
20 |
Correct |
10 ms |
7004 KB |
Output is correct |
21 |
Correct |
17 ms |
7304 KB |
Output is correct |
22 |
Correct |
9 ms |
7412 KB |
Output is correct |
23 |
Correct |
12 ms |
7308 KB |
Output is correct |
24 |
Correct |
15 ms |
7240 KB |
Output is correct |
25 |
Correct |
11 ms |
7836 KB |
Output is correct |
26 |
Correct |
12 ms |
7004 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
5 ms |
6236 KB |
Output is correct |
2 |
Correct |
4 ms |
6388 KB |
Output is correct |
3 |
Correct |
4 ms |
6236 KB |
Output is correct |
4 |
Correct |
3 ms |
6236 KB |
Output is correct |
5 |
Correct |
3 ms |
6236 KB |
Output is correct |
6 |
Correct |
4 ms |
6236 KB |
Output is correct |
7 |
Correct |
4 ms |
6236 KB |
Output is correct |
8 |
Correct |
4 ms |
6236 KB |
Output is correct |
9 |
Correct |
4 ms |
6272 KB |
Output is correct |
10 |
Correct |
4 ms |
6404 KB |
Output is correct |
11 |
Correct |
4 ms |
6232 KB |
Output is correct |
12 |
Correct |
4 ms |
6236 KB |
Output is correct |
13 |
Correct |
3 ms |
6244 KB |
Output is correct |
14 |
Correct |
12 ms |
7000 KB |
Output is correct |
15 |
Correct |
4 ms |
6236 KB |
Output is correct |
16 |
Correct |
5 ms |
6748 KB |
Output is correct |
17 |
Correct |
3 ms |
6236 KB |
Output is correct |
18 |
Correct |
13 ms |
7308 KB |
Output is correct |
19 |
Correct |
12 ms |
7772 KB |
Output is correct |
20 |
Correct |
10 ms |
7004 KB |
Output is correct |
21 |
Correct |
17 ms |
7304 KB |
Output is correct |
22 |
Correct |
9 ms |
7412 KB |
Output is correct |
23 |
Correct |
12 ms |
7308 KB |
Output is correct |
24 |
Correct |
15 ms |
7240 KB |
Output is correct |
25 |
Correct |
11 ms |
7836 KB |
Output is correct |
26 |
Correct |
12 ms |
7004 KB |
Output is correct |
27 |
Correct |
352 ms |
60020 KB |
Output is correct |
28 |
Correct |
6 ms |
12420 KB |
Output is correct |
29 |
Correct |
19 ms |
9388 KB |
Output is correct |
30 |
Correct |
5 ms |
6232 KB |
Output is correct |
31 |
Correct |
247 ms |
46736 KB |
Output is correct |
32 |
Correct |
233 ms |
79360 KB |
Output is correct |
33 |
Correct |
195 ms |
60916 KB |
Output is correct |
34 |
Correct |
321 ms |
52844 KB |
Output is correct |
35 |
Correct |
244 ms |
62200 KB |
Output is correct |
36 |
Correct |
168 ms |
60900 KB |
Output is correct |
37 |
Correct |
377 ms |
61524 KB |
Output is correct |
38 |
Correct |
185 ms |
60912 KB |
Output is correct |
39 |
Correct |
159 ms |
48792 KB |
Output is correct |