/* 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];
vector <pair<int, int>> ii, jj, oo;
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] == 'I')
ii.push_back({i, j});
else if (a[i][j] == 'J')
jj.push_back({i, j});
else
oo.push_back({i, j});
}
for (auto[i, j] : jj)
for (auto [x, y] : oo)
if (x == i && j < y)
for (auto [a, b] : ii)
if (b == j && i < a) {
ans++;
// cout << i << ' ' << j << ' ' << a << ' ' << y << '\n';
}
cout << ans << '\n';
}
/*
.---. . .--.
| | | ) o
|--- .--.|--. |--: . ---.
| `--.| | | ) | .'
'---'`--'' `-'--'-' `-'---
*/
Compilation message
joi2019_ho_t1.cpp:6:53: warning: bad option '-f unroll-loops' to pragma 'optimize' [-Wpragmas]
6 | #pragma GCC optimize("Ofast, unroll-loops, O3")
| ^
joi2019_ho_t1.cpp:6:53: warning: bad option '-f O3' to pragma 'optimize' [-Wpragmas]
joi2019_ho_t1.cpp:15:13: warning: bad option '-f unroll-loops' to attribute 'optimize' [-Wattributes]
15 | signed main() {
| ^
joi2019_ho_t1.cpp:15:13: warning: bad option '-f O3' to attribute 'optimize' [-Wattributes]
joi2019_ho_t1.cpp: In function 'int main()':
joi2019_ho_t1.cpp:18:6: warning: this 'for' clause does not guard... [-Wmisleading-indentation]
18 | for (int i = 1; i <= h; ++i)
| ^~~
joi2019_ho_t1.cpp:30:2: note: ...this statement, but the latter is misleadingly indented as if it were guarded by the 'for'
30 | for (auto[i, j] : jj)
| ^~~
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
344 KB |
Output is correct |
2 |
Correct |
1 ms |
348 KB |
Output is correct |
3 |
Correct |
1 ms |
344 KB |
Output is correct |
4 |
Correct |
1 ms |
500 KB |
Output is correct |
5 |
Correct |
204 ms |
2972 KB |
Output is correct |
6 |
Correct |
23 ms |
2652 KB |
Output is correct |
7 |
Correct |
329 ms |
2908 KB |
Output is correct |
8 |
Correct |
144 ms |
2932 KB |
Output is correct |
9 |
Correct |
60 ms |
3060 KB |
Output is correct |
10 |
Correct |
315 ms |
2916 KB |
Output is correct |
11 |
Correct |
134 ms |
2928 KB |
Output is correct |
12 |
Correct |
34 ms |
3160 KB |
Output is correct |
13 |
Correct |
315 ms |
2912 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
344 KB |
Output is correct |
2 |
Correct |
1 ms |
348 KB |
Output is correct |
3 |
Correct |
1 ms |
344 KB |
Output is correct |
4 |
Correct |
1 ms |
500 KB |
Output is correct |
5 |
Correct |
204 ms |
2972 KB |
Output is correct |
6 |
Correct |
23 ms |
2652 KB |
Output is correct |
7 |
Correct |
329 ms |
2908 KB |
Output is correct |
8 |
Correct |
144 ms |
2932 KB |
Output is correct |
9 |
Correct |
60 ms |
3060 KB |
Output is correct |
10 |
Correct |
315 ms |
2916 KB |
Output is correct |
11 |
Correct |
134 ms |
2928 KB |
Output is correct |
12 |
Correct |
34 ms |
3160 KB |
Output is correct |
13 |
Correct |
315 ms |
2912 KB |
Output is correct |
14 |
Execution timed out |
1037 ms |
5824 KB |
Time limit exceeded |
15 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
344 KB |
Output is correct |
2 |
Correct |
1 ms |
348 KB |
Output is correct |
3 |
Correct |
1 ms |
344 KB |
Output is correct |
4 |
Correct |
1 ms |
500 KB |
Output is correct |
5 |
Correct |
204 ms |
2972 KB |
Output is correct |
6 |
Correct |
23 ms |
2652 KB |
Output is correct |
7 |
Correct |
329 ms |
2908 KB |
Output is correct |
8 |
Correct |
144 ms |
2932 KB |
Output is correct |
9 |
Correct |
60 ms |
3060 KB |
Output is correct |
10 |
Correct |
315 ms |
2916 KB |
Output is correct |
11 |
Correct |
134 ms |
2928 KB |
Output is correct |
12 |
Correct |
34 ms |
3160 KB |
Output is correct |
13 |
Correct |
315 ms |
2912 KB |
Output is correct |
14 |
Execution timed out |
1037 ms |
5824 KB |
Time limit exceeded |
15 |
Halted |
0 ms |
0 KB |
- |