#include <bits/stdc++.h>
using namespace std;
#define mp make_pair
typedef long long lld;
typedef pair<int, int> pii;
int N, M;
int H[3001];
char A[3001][3002];
int main()
{
scanf("%d%d ", &N, &M);
for (int i=1;i<=N;i++) scanf("%s", A[i]+1);
lld ans = 0;
for (int i=1;i<=N;i++){
stack <pii> stk;
stk.push(mp(-1, 0));
lld val = 0;
for (int j=1;j<=M;j++){
H[j] = A[i][j] == 'R' ? H[j] + 1 : 0;
while (!stk.empty() && stk.top().first >= H[j]){
int h = stk.top().first, x2 = stk.top().second;
stk.pop();
int x1 = stk.top().second;
val -= (x2-x1) * h;
}
val += H[j] * (j - stk.top().second);
stk.push(mp(H[j], j));
ans += val;
}
}
printf("%lld\n", ans);
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
10532 KB |
Output is correct |
2 |
Correct |
0 ms |
10532 KB |
Output is correct |
3 |
Correct |
0 ms |
10532 KB |
Output is correct |
4 |
Correct |
0 ms |
10532 KB |
Output is correct |
5 |
Correct |
0 ms |
10532 KB |
Output is correct |
6 |
Correct |
0 ms |
10532 KB |
Output is correct |
7 |
Correct |
0 ms |
10532 KB |
Output is correct |
8 |
Correct |
0 ms |
10532 KB |
Output is correct |
9 |
Correct |
0 ms |
10532 KB |
Output is correct |
10 |
Correct |
0 ms |
10532 KB |
Output is correct |
11 |
Correct |
0 ms |
10532 KB |
Output is correct |
12 |
Correct |
0 ms |
10532 KB |
Output is correct |
13 |
Correct |
0 ms |
10532 KB |
Output is correct |
14 |
Correct |
0 ms |
10532 KB |
Output is correct |
15 |
Correct |
0 ms |
10532 KB |
Output is correct |
16 |
Correct |
0 ms |
10532 KB |
Output is correct |
17 |
Correct |
0 ms |
10532 KB |
Output is correct |
18 |
Correct |
0 ms |
10532 KB |
Output is correct |
19 |
Correct |
0 ms |
10532 KB |
Output is correct |
20 |
Correct |
0 ms |
10532 KB |
Output is correct |
21 |
Correct |
0 ms |
10532 KB |
Output is correct |
22 |
Correct |
8 ms |
10532 KB |
Output is correct |
23 |
Correct |
8 ms |
10532 KB |
Output is correct |
24 |
Correct |
6 ms |
10532 KB |
Output is correct |
25 |
Correct |
8 ms |
10532 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
10532 KB |
Output is correct |
2 |
Correct |
0 ms |
10532 KB |
Output is correct |
3 |
Correct |
16 ms |
10532 KB |
Output is correct |
4 |
Correct |
26 ms |
10532 KB |
Output is correct |
5 |
Correct |
22 ms |
10532 KB |
Output is correct |
6 |
Correct |
21 ms |
10532 KB |
Output is correct |
7 |
Correct |
26 ms |
10532 KB |
Output is correct |
8 |
Correct |
23 ms |
10532 KB |
Output is correct |
9 |
Correct |
25 ms |
10532 KB |
Output is correct |
10 |
Correct |
24 ms |
10532 KB |
Output is correct |
11 |
Correct |
25 ms |
10532 KB |
Output is correct |
12 |
Correct |
5 ms |
10532 KB |
Output is correct |
13 |
Correct |
21 ms |
10532 KB |
Output is correct |
14 |
Correct |
5 ms |
10532 KB |
Output is correct |
15 |
Correct |
4 ms |
10532 KB |
Output is correct |
16 |
Correct |
5 ms |
10532 KB |
Output is correct |
17 |
Correct |
4 ms |
10532 KB |
Output is correct |
18 |
Correct |
5 ms |
10532 KB |
Output is correct |
19 |
Correct |
5 ms |
10532 KB |
Output is correct |
20 |
Correct |
5 ms |
10532 KB |
Output is correct |
21 |
Correct |
8 ms |
10532 KB |
Output is correct |
22 |
Correct |
8 ms |
10532 KB |
Output is correct |
23 |
Correct |
17 ms |
10532 KB |
Output is correct |
24 |
Correct |
18 ms |
10532 KB |
Output is correct |
25 |
Correct |
16 ms |
10532 KB |
Output is correct |
26 |
Correct |
11 ms |
10532 KB |
Output is correct |
27 |
Correct |
13 ms |
10532 KB |
Output is correct |
28 |
Correct |
13 ms |
10532 KB |
Output is correct |
29 |
Correct |
14 ms |
10532 KB |
Output is correct |
30 |
Correct |
13 ms |
10532 KB |
Output is correct |
31 |
Correct |
223 ms |
10532 KB |
Output is correct |
32 |
Correct |
171 ms |
10532 KB |
Output is correct |
33 |
Correct |
189 ms |
10532 KB |
Output is correct |
34 |
Correct |
214 ms |
10532 KB |
Output is correct |
35 |
Correct |
212 ms |
10532 KB |
Output is correct |
36 |
Correct |
263 ms |
10532 KB |
Output is correct |
37 |
Correct |
226 ms |
10532 KB |
Output is correct |
38 |
Correct |
264 ms |
10532 KB |
Output is correct |
39 |
Correct |
189 ms |
10532 KB |
Output is correct |
40 |
Correct |
214 ms |
10532 KB |
Output is correct |