#include<bits/stdc++.h>
using namespace std;
#define ll long long
#define fi first
#define se second
#define p(x,y) pair<ll,ll>(x,y)
#define BIT(i,x) ((x>>i)&1)
#define MASK(x) (1<<x)
#define ld long double
#define __builtin_popcount __builtin_popcountll
#define pll pair<ll,ll>
template<class T1,class T2>
bool maximize(T1 &x,const T2 &y)
{
if(x<y)
{
x=y;
return 1;
}
return 0;
}
template<class T1,class T2>
bool minimize(T1 &x,const T2 &y)
{
if(x>y)
{
x=y;
return 1;
}
return 0;
}
void online()
{
std::ios_base::sync_with_stdio(0);
cin.tie(0);
}
const ll N=3e3+10;
string s[N];
ll Or[N][N],Jr[N][N],n,m,ans;
int main()
{
online();
cin>>n>>m;
for(int i=1;i<=n;i++)
{
cin>>s[i];
s[i]=' '+s[i];
for(int j=m;j>=1;j--)
{
if(s[i][j]=='O') Or[i][j]++;
Or[i][j]+=Or[i][j+1];
if(s[i][j]=='J')
{
Jr[i][j]+=Or[i][j];
}
Jr[i][j]+=Jr[i-1][j];
if(s[i][j]=='I') ans+=Jr[i][j];
}
}
cout<<ans;
}
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
340 KB |
Output is correct |
2 |
Correct |
1 ms |
424 KB |
Output is correct |
3 |
Correct |
0 ms |
340 KB |
Output is correct |
4 |
Correct |
1 ms |
424 KB |
Output is correct |
5 |
Correct |
1 ms |
1328 KB |
Output is correct |
6 |
Correct |
1 ms |
1364 KB |
Output is correct |
7 |
Correct |
1 ms |
1236 KB |
Output is correct |
8 |
Correct |
1 ms |
1364 KB |
Output is correct |
9 |
Correct |
1 ms |
1364 KB |
Output is correct |
10 |
Correct |
1 ms |
1260 KB |
Output is correct |
11 |
Correct |
1 ms |
1324 KB |
Output is correct |
12 |
Correct |
1 ms |
1364 KB |
Output is correct |
13 |
Correct |
1 ms |
1236 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
340 KB |
Output is correct |
2 |
Correct |
1 ms |
424 KB |
Output is correct |
3 |
Correct |
0 ms |
340 KB |
Output is correct |
4 |
Correct |
1 ms |
424 KB |
Output is correct |
5 |
Correct |
1 ms |
1328 KB |
Output is correct |
6 |
Correct |
1 ms |
1364 KB |
Output is correct |
7 |
Correct |
1 ms |
1236 KB |
Output is correct |
8 |
Correct |
1 ms |
1364 KB |
Output is correct |
9 |
Correct |
1 ms |
1364 KB |
Output is correct |
10 |
Correct |
1 ms |
1260 KB |
Output is correct |
11 |
Correct |
1 ms |
1324 KB |
Output is correct |
12 |
Correct |
1 ms |
1364 KB |
Output is correct |
13 |
Correct |
1 ms |
1236 KB |
Output is correct |
14 |
Correct |
6 ms |
7764 KB |
Output is correct |
15 |
Correct |
2 ms |
3796 KB |
Output is correct |
16 |
Correct |
3 ms |
4692 KB |
Output is correct |
17 |
Correct |
1 ms |
468 KB |
Output is correct |
18 |
Correct |
7 ms |
8796 KB |
Output is correct |
19 |
Correct |
5 ms |
8648 KB |
Output is correct |
20 |
Correct |
5 ms |
8660 KB |
Output is correct |
21 |
Correct |
7 ms |
8788 KB |
Output is correct |
22 |
Correct |
5 ms |
8660 KB |
Output is correct |
23 |
Correct |
6 ms |
8620 KB |
Output is correct |
24 |
Correct |
7 ms |
8884 KB |
Output is correct |
25 |
Correct |
5 ms |
8660 KB |
Output is correct |
26 |
Correct |
5 ms |
8600 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
340 KB |
Output is correct |
2 |
Correct |
1 ms |
424 KB |
Output is correct |
3 |
Correct |
0 ms |
340 KB |
Output is correct |
4 |
Correct |
1 ms |
424 KB |
Output is correct |
5 |
Correct |
1 ms |
1328 KB |
Output is correct |
6 |
Correct |
1 ms |
1364 KB |
Output is correct |
7 |
Correct |
1 ms |
1236 KB |
Output is correct |
8 |
Correct |
1 ms |
1364 KB |
Output is correct |
9 |
Correct |
1 ms |
1364 KB |
Output is correct |
10 |
Correct |
1 ms |
1260 KB |
Output is correct |
11 |
Correct |
1 ms |
1324 KB |
Output is correct |
12 |
Correct |
1 ms |
1364 KB |
Output is correct |
13 |
Correct |
1 ms |
1236 KB |
Output is correct |
14 |
Correct |
6 ms |
7764 KB |
Output is correct |
15 |
Correct |
2 ms |
3796 KB |
Output is correct |
16 |
Correct |
3 ms |
4692 KB |
Output is correct |
17 |
Correct |
1 ms |
468 KB |
Output is correct |
18 |
Correct |
7 ms |
8796 KB |
Output is correct |
19 |
Correct |
5 ms |
8648 KB |
Output is correct |
20 |
Correct |
5 ms |
8660 KB |
Output is correct |
21 |
Correct |
7 ms |
8788 KB |
Output is correct |
22 |
Correct |
5 ms |
8660 KB |
Output is correct |
23 |
Correct |
6 ms |
8620 KB |
Output is correct |
24 |
Correct |
7 ms |
8884 KB |
Output is correct |
25 |
Correct |
5 ms |
8660 KB |
Output is correct |
26 |
Correct |
5 ms |
8600 KB |
Output is correct |
27 |
Correct |
140 ms |
158440 KB |
Output is correct |
28 |
Correct |
11 ms |
19540 KB |
Output is correct |
29 |
Correct |
10 ms |
13852 KB |
Output is correct |
30 |
Correct |
1 ms |
844 KB |
Output is correct |
31 |
Correct |
110 ms |
130512 KB |
Output is correct |
32 |
Correct |
107 ms |
159264 KB |
Output is correct |
33 |
Correct |
108 ms |
158872 KB |
Output is correct |
34 |
Correct |
130 ms |
151240 KB |
Output is correct |
35 |
Correct |
109 ms |
159304 KB |
Output is correct |
36 |
Correct |
116 ms |
159004 KB |
Output is correct |
37 |
Correct |
151 ms |
159472 KB |
Output is correct |
38 |
Correct |
85 ms |
129720 KB |
Output is correct |
39 |
Correct |
85 ms |
129996 KB |
Output is correct |