#include <bits/stdc++.h>
using namespace std;
#define oo 1e9
#define fi first
#define se second
#define sp(iiii) setprecision(iiii)
#define IO ios_base::sync_with_stdio(false); cin.tie(0)
#define ms(aaaa,xxxx) memset(aaaa,xxxx,sizeof(aaaa))
#define cntbit(xxxx) __builtin_popcount(xxxx)
#define getbit(xxxx,aaaa) ((xxxx>>(aaaa-1))&1)
#define _cos(xxxx) cos(xxxx*acos(-1)/180)
#define _sin(xxxx) sin(xxxx*acos(-1)/180)
#define _tan(xxxx) tan(xxxx*acos(-1)/180)
#define PE cout<<fixed
typedef long double ld;
typedef long long ll;
typedef unsigned long long ull;
typedef pair<int,int> pii;
typedef pair<pair<int,int>,int> piii;
typedef pair<long long,long long> pll;
typedef pair<pair<long long,long long>,long long> plll;
const ld pi=acos(-1);
string s[5009];
ll n,m,i,j,f1[5009][5009],f2[5009][5009],res;
int main(){
IO;
cin>>n>>m;
for (i=1;i<=n;i++) {
cin>>s[i];
}
for (i=1;i<=n;i++) {
for (j=m;j>=1;j--) {
if (s[i][j-1]=='O') {
f1[i][j]=f1[i][j+1]+1;
}
else {
f1[i][j]=f1[i][j+1];
}
}
}
for (i=n;i>=1;i--) {
for (j=1;j<=m;j++) {
if (s[i][j-1]=='I') {
f2[i][j]=f2[i+1][j]+1;
}
else {
f2[i][j]=f2[i+1][j];
}
}
}
for (i=1;i<=n;i++) {
for (j=1;j<=m;j++) {
if (s[i][j-1]=='J') {
res+=f1[i][j]*f2[i][j];
}
}
}
cout<<res;
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
512 KB |
Output is correct |
2 |
Correct |
1 ms |
544 KB |
Output is correct |
3 |
Correct |
1 ms |
512 KB |
Output is correct |
4 |
Correct |
1 ms |
640 KB |
Output is correct |
5 |
Correct |
2 ms |
1536 KB |
Output is correct |
6 |
Correct |
2 ms |
1408 KB |
Output is correct |
7 |
Correct |
2 ms |
1408 KB |
Output is correct |
8 |
Correct |
1 ms |
1536 KB |
Output is correct |
9 |
Correct |
1 ms |
1408 KB |
Output is correct |
10 |
Correct |
1 ms |
1408 KB |
Output is correct |
11 |
Correct |
2 ms |
1536 KB |
Output is correct |
12 |
Correct |
1 ms |
1408 KB |
Output is correct |
13 |
Correct |
1 ms |
1408 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
512 KB |
Output is correct |
2 |
Correct |
1 ms |
544 KB |
Output is correct |
3 |
Correct |
1 ms |
512 KB |
Output is correct |
4 |
Correct |
1 ms |
640 KB |
Output is correct |
5 |
Correct |
2 ms |
1536 KB |
Output is correct |
6 |
Correct |
2 ms |
1408 KB |
Output is correct |
7 |
Correct |
2 ms |
1408 KB |
Output is correct |
8 |
Correct |
1 ms |
1536 KB |
Output is correct |
9 |
Correct |
1 ms |
1408 KB |
Output is correct |
10 |
Correct |
1 ms |
1408 KB |
Output is correct |
11 |
Correct |
2 ms |
1536 KB |
Output is correct |
12 |
Correct |
1 ms |
1408 KB |
Output is correct |
13 |
Correct |
1 ms |
1408 KB |
Output is correct |
14 |
Correct |
8 ms |
7936 KB |
Output is correct |
15 |
Correct |
3 ms |
3968 KB |
Output is correct |
16 |
Correct |
4 ms |
4864 KB |
Output is correct |
17 |
Correct |
1 ms |
640 KB |
Output is correct |
18 |
Correct |
12 ms |
8960 KB |
Output is correct |
19 |
Correct |
7 ms |
8832 KB |
Output is correct |
20 |
Correct |
8 ms |
8832 KB |
Output is correct |
21 |
Correct |
9 ms |
9088 KB |
Output is correct |
22 |
Correct |
7 ms |
8832 KB |
Output is correct |
23 |
Correct |
7 ms |
8832 KB |
Output is correct |
24 |
Correct |
9 ms |
8960 KB |
Output is correct |
25 |
Correct |
7 ms |
8832 KB |
Output is correct |
26 |
Correct |
6 ms |
8832 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
512 KB |
Output is correct |
2 |
Correct |
1 ms |
544 KB |
Output is correct |
3 |
Correct |
1 ms |
512 KB |
Output is correct |
4 |
Correct |
1 ms |
640 KB |
Output is correct |
5 |
Correct |
2 ms |
1536 KB |
Output is correct |
6 |
Correct |
2 ms |
1408 KB |
Output is correct |
7 |
Correct |
2 ms |
1408 KB |
Output is correct |
8 |
Correct |
1 ms |
1536 KB |
Output is correct |
9 |
Correct |
1 ms |
1408 KB |
Output is correct |
10 |
Correct |
1 ms |
1408 KB |
Output is correct |
11 |
Correct |
2 ms |
1536 KB |
Output is correct |
12 |
Correct |
1 ms |
1408 KB |
Output is correct |
13 |
Correct |
1 ms |
1408 KB |
Output is correct |
14 |
Correct |
8 ms |
7936 KB |
Output is correct |
15 |
Correct |
3 ms |
3968 KB |
Output is correct |
16 |
Correct |
4 ms |
4864 KB |
Output is correct |
17 |
Correct |
1 ms |
640 KB |
Output is correct |
18 |
Correct |
12 ms |
8960 KB |
Output is correct |
19 |
Correct |
7 ms |
8832 KB |
Output is correct |
20 |
Correct |
8 ms |
8832 KB |
Output is correct |
21 |
Correct |
9 ms |
9088 KB |
Output is correct |
22 |
Correct |
7 ms |
8832 KB |
Output is correct |
23 |
Correct |
7 ms |
8832 KB |
Output is correct |
24 |
Correct |
9 ms |
8960 KB |
Output is correct |
25 |
Correct |
7 ms |
8832 KB |
Output is correct |
26 |
Correct |
6 ms |
8832 KB |
Output is correct |
27 |
Correct |
229 ms |
175100 KB |
Output is correct |
28 |
Correct |
12 ms |
19840 KB |
Output is correct |
29 |
Correct |
11 ms |
14080 KB |
Output is correct |
30 |
Correct |
1 ms |
1024 KB |
Output is correct |
31 |
Correct |
160 ms |
131232 KB |
Output is correct |
32 |
Correct |
149 ms |
182904 KB |
Output is correct |
33 |
Correct |
141 ms |
183416 KB |
Output is correct |
34 |
Correct |
184 ms |
152120 KB |
Output is correct |
35 |
Correct |
150 ms |
182904 KB |
Output is correct |
36 |
Correct |
151 ms |
183416 KB |
Output is correct |
37 |
Correct |
224 ms |
184056 KB |
Output is correct |
38 |
Correct |
107 ms |
130424 KB |
Output is correct |
39 |
Correct |
101 ms |
130808 KB |
Output is correct |