#include "bits/stdc++.h"
using namespace std;
typedef long long ll;
string mp[3005];
ll i_cnt[3005][3005];
ll o_cnt[3005][3005],ans;
int32_t main() {
ios_base::sync_with_stdio(false);cin.tie(0);
int h,w;
cin>>h>>w;
for(int x=0;x<h;x++){
cin>>mp[x];
}
for(int x=0;x<h;x++){
for(int i=w-1;i>=0;i--){
o_cnt[x][i]=o_cnt[x][i+1];
if(mp[x][i]=='O')o_cnt[x][i]++;
}
}
for(int x=0;x<w;x++){
for(int i=h-1;i>=0;i--){
i_cnt[i][x]=i_cnt[i+1][x];
if(mp[i][x]=='I')i_cnt[i][x]++;
}
}
for(int x=0;x<h;x++){
for(int y=0;y<w;y++){
if(mp[x][y]=='J')ans+=o_cnt[x][y+1]*i_cnt[x+1][y];
}
}
cout<<ans<<'\n';
return 0;
}
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
5 ms |
376 KB |
Output is correct |
2 |
Correct |
5 ms |
376 KB |
Output is correct |
3 |
Correct |
5 ms |
504 KB |
Output is correct |
4 |
Correct |
5 ms |
504 KB |
Output is correct |
5 |
Correct |
5 ms |
1272 KB |
Output is correct |
6 |
Correct |
6 ms |
1400 KB |
Output is correct |
7 |
Correct |
5 ms |
1272 KB |
Output is correct |
8 |
Correct |
5 ms |
1400 KB |
Output is correct |
9 |
Correct |
5 ms |
1400 KB |
Output is correct |
10 |
Correct |
5 ms |
1272 KB |
Output is correct |
11 |
Correct |
6 ms |
1400 KB |
Output is correct |
12 |
Correct |
5 ms |
1400 KB |
Output is correct |
13 |
Correct |
5 ms |
1272 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
5 ms |
376 KB |
Output is correct |
2 |
Correct |
5 ms |
376 KB |
Output is correct |
3 |
Correct |
5 ms |
504 KB |
Output is correct |
4 |
Correct |
5 ms |
504 KB |
Output is correct |
5 |
Correct |
5 ms |
1272 KB |
Output is correct |
6 |
Correct |
6 ms |
1400 KB |
Output is correct |
7 |
Correct |
5 ms |
1272 KB |
Output is correct |
8 |
Correct |
5 ms |
1400 KB |
Output is correct |
9 |
Correct |
5 ms |
1400 KB |
Output is correct |
10 |
Correct |
5 ms |
1272 KB |
Output is correct |
11 |
Correct |
6 ms |
1400 KB |
Output is correct |
12 |
Correct |
5 ms |
1400 KB |
Output is correct |
13 |
Correct |
5 ms |
1272 KB |
Output is correct |
14 |
Correct |
12 ms |
7672 KB |
Output is correct |
15 |
Correct |
7 ms |
3960 KB |
Output is correct |
16 |
Correct |
8 ms |
4728 KB |
Output is correct |
17 |
Correct |
5 ms |
504 KB |
Output is correct |
18 |
Correct |
13 ms |
8568 KB |
Output is correct |
19 |
Correct |
11 ms |
8440 KB |
Output is correct |
20 |
Correct |
11 ms |
8440 KB |
Output is correct |
21 |
Correct |
13 ms |
8568 KB |
Output is correct |
22 |
Correct |
11 ms |
8440 KB |
Output is correct |
23 |
Correct |
11 ms |
8440 KB |
Output is correct |
24 |
Correct |
13 ms |
8572 KB |
Output is correct |
25 |
Correct |
13 ms |
8696 KB |
Output is correct |
26 |
Correct |
11 ms |
8440 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
5 ms |
376 KB |
Output is correct |
2 |
Correct |
5 ms |
376 KB |
Output is correct |
3 |
Correct |
5 ms |
504 KB |
Output is correct |
4 |
Correct |
5 ms |
504 KB |
Output is correct |
5 |
Correct |
5 ms |
1272 KB |
Output is correct |
6 |
Correct |
6 ms |
1400 KB |
Output is correct |
7 |
Correct |
5 ms |
1272 KB |
Output is correct |
8 |
Correct |
5 ms |
1400 KB |
Output is correct |
9 |
Correct |
5 ms |
1400 KB |
Output is correct |
10 |
Correct |
5 ms |
1272 KB |
Output is correct |
11 |
Correct |
6 ms |
1400 KB |
Output is correct |
12 |
Correct |
5 ms |
1400 KB |
Output is correct |
13 |
Correct |
5 ms |
1272 KB |
Output is correct |
14 |
Correct |
12 ms |
7672 KB |
Output is correct |
15 |
Correct |
7 ms |
3960 KB |
Output is correct |
16 |
Correct |
8 ms |
4728 KB |
Output is correct |
17 |
Correct |
5 ms |
504 KB |
Output is correct |
18 |
Correct |
13 ms |
8568 KB |
Output is correct |
19 |
Correct |
11 ms |
8440 KB |
Output is correct |
20 |
Correct |
11 ms |
8440 KB |
Output is correct |
21 |
Correct |
13 ms |
8568 KB |
Output is correct |
22 |
Correct |
11 ms |
8440 KB |
Output is correct |
23 |
Correct |
11 ms |
8440 KB |
Output is correct |
24 |
Correct |
13 ms |
8572 KB |
Output is correct |
25 |
Correct |
13 ms |
8696 KB |
Output is correct |
26 |
Correct |
11 ms |
8440 KB |
Output is correct |
27 |
Correct |
361 ms |
150776 KB |
Output is correct |
28 |
Correct |
16 ms |
19576 KB |
Output is correct |
29 |
Correct |
18 ms |
13308 KB |
Output is correct |
30 |
Correct |
6 ms |
1148 KB |
Output is correct |
31 |
Correct |
266 ms |
124632 KB |
Output is correct |
32 |
Correct |
350 ms |
151160 KB |
Output is correct |
33 |
Correct |
329 ms |
150904 KB |
Output is correct |
34 |
Correct |
306 ms |
144620 KB |
Output is correct |
35 |
Correct |
348 ms |
151288 KB |
Output is correct |
36 |
Correct |
325 ms |
150776 KB |
Output is correct |
37 |
Correct |
393 ms |
151288 KB |
Output is correct |
38 |
Correct |
228 ms |
124024 KB |
Output is correct |
39 |
Correct |
222 ms |
124152 KB |
Output is correct |