#include <bits/stdc++.h>
#define SZ 3005
using namespace std;
int h,w,rowo[SZ][SZ],coli[SZ][SZ];
int main() {
long long sum=0;
vector<pair<int,int> >coords;
string s;
cin>>h>>w;
for(int i=1;i<=h;i++){
cin>>s;
for(int j=1;j<=w;j++){
rowo[i][j]=rowo[i][j-1];
coli[i][j]=coli[i-1][j];
if(s[j-1]=='J')coords.emplace_back(i,j);
else if(s[j-1]=='O')rowo[i][j]++;
else if(s[j-1]=='I')coli[i][j]++;
}
}
/* for(int i=1;i<=h;i++){
for(int j=1;j<=w;j++){
cout<<rowo[i][j]<<" ";
}
cout<<"\n";
}
cout<<"\n";
for(int i=1;i<=h;i++){
for(int j=1;j<=w;j++){
cout<<coli[i][j]<<" ";
}
cout<<"\n";
}*/
for(auto x:coords){
sum+=(rowo[x.first][w]-rowo[x.first][x.second])*(coli[h][x.second]-coli[x.first][x.second]);
}
cout<<sum;
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 |
376 KB |
Output is correct |
4 |
Correct |
5 ms |
376 KB |
Output is correct |
5 |
Correct |
6 ms |
1272 KB |
Output is correct |
6 |
Correct |
6 ms |
1272 KB |
Output is correct |
7 |
Correct |
5 ms |
1144 KB |
Output is correct |
8 |
Correct |
6 ms |
1276 KB |
Output is correct |
9 |
Correct |
6 ms |
1272 KB |
Output is correct |
10 |
Correct |
6 ms |
1272 KB |
Output is correct |
11 |
Correct |
6 ms |
1272 KB |
Output is correct |
12 |
Correct |
6 ms |
1272 KB |
Output is correct |
13 |
Correct |
5 ms |
1144 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 |
376 KB |
Output is correct |
4 |
Correct |
5 ms |
376 KB |
Output is correct |
5 |
Correct |
6 ms |
1272 KB |
Output is correct |
6 |
Correct |
6 ms |
1272 KB |
Output is correct |
7 |
Correct |
5 ms |
1144 KB |
Output is correct |
8 |
Correct |
6 ms |
1276 KB |
Output is correct |
9 |
Correct |
6 ms |
1272 KB |
Output is correct |
10 |
Correct |
6 ms |
1272 KB |
Output is correct |
11 |
Correct |
6 ms |
1272 KB |
Output is correct |
12 |
Correct |
6 ms |
1272 KB |
Output is correct |
13 |
Correct |
5 ms |
1144 KB |
Output is correct |
14 |
Correct |
19 ms |
6640 KB |
Output is correct |
15 |
Correct |
9 ms |
3832 KB |
Output is correct |
16 |
Correct |
13 ms |
4080 KB |
Output is correct |
17 |
Correct |
5 ms |
376 KB |
Output is correct |
18 |
Correct |
23 ms |
7276 KB |
Output is correct |
19 |
Correct |
20 ms |
6772 KB |
Output is correct |
20 |
Correct |
21 ms |
7148 KB |
Output is correct |
21 |
Correct |
27 ms |
7272 KB |
Output is correct |
22 |
Correct |
22 ms |
7272 KB |
Output is correct |
23 |
Correct |
21 ms |
7148 KB |
Output is correct |
24 |
Correct |
24 ms |
7532 KB |
Output is correct |
25 |
Correct |
24 ms |
6772 KB |
Output is correct |
26 |
Correct |
21 ms |
7148 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 |
376 KB |
Output is correct |
4 |
Correct |
5 ms |
376 KB |
Output is correct |
5 |
Correct |
6 ms |
1272 KB |
Output is correct |
6 |
Correct |
6 ms |
1272 KB |
Output is correct |
7 |
Correct |
5 ms |
1144 KB |
Output is correct |
8 |
Correct |
6 ms |
1276 KB |
Output is correct |
9 |
Correct |
6 ms |
1272 KB |
Output is correct |
10 |
Correct |
6 ms |
1272 KB |
Output is correct |
11 |
Correct |
6 ms |
1272 KB |
Output is correct |
12 |
Correct |
6 ms |
1272 KB |
Output is correct |
13 |
Correct |
5 ms |
1144 KB |
Output is correct |
14 |
Correct |
19 ms |
6640 KB |
Output is correct |
15 |
Correct |
9 ms |
3832 KB |
Output is correct |
16 |
Correct |
13 ms |
4080 KB |
Output is correct |
17 |
Correct |
5 ms |
376 KB |
Output is correct |
18 |
Correct |
23 ms |
7276 KB |
Output is correct |
19 |
Correct |
20 ms |
6772 KB |
Output is correct |
20 |
Correct |
21 ms |
7148 KB |
Output is correct |
21 |
Correct |
27 ms |
7272 KB |
Output is correct |
22 |
Correct |
22 ms |
7272 KB |
Output is correct |
23 |
Correct |
21 ms |
7148 KB |
Output is correct |
24 |
Correct |
24 ms |
7532 KB |
Output is correct |
25 |
Correct |
24 ms |
6772 KB |
Output is correct |
26 |
Correct |
21 ms |
7148 KB |
Output is correct |
27 |
Correct |
543 ms |
101148 KB |
Output is correct |
28 |
Correct |
17 ms |
19448 KB |
Output is correct |
29 |
Correct |
43 ms |
9060 KB |
Output is correct |
30 |
Correct |
7 ms |
760 KB |
Output is correct |
31 |
Correct |
403 ms |
81340 KB |
Output is correct |
32 |
Correct |
488 ms |
86480 KB |
Output is correct |
33 |
Correct |
518 ms |
103100 KB |
Output is correct |
34 |
Correct |
471 ms |
99392 KB |
Output is correct |
35 |
Correct |
523 ms |
102532 KB |
Output is correct |
36 |
Correct |
514 ms |
103064 KB |
Output is correct |
37 |
Correct |
585 ms |
108056 KB |
Output is correct |
38 |
Correct |
350 ms |
70352 KB |
Output is correct |
39 |
Correct |
358 ms |
81480 KB |
Output is correct |