#include <bits/stdc++.h>
using namespace std;
constexpr int MAXN = 3e3 + 7;
char tab[MAXN][MAXN];
vector<pair<int, int>> diagonal[MAXN<<1][2]; //horizontal 0, vertical 1
int res;
int n, m;
void checkHorizontal(int y, int x, int id){
if(tab[y][x] != 'R') return;
else if(tab[y][x+1] != 'G') return;
else if(tab[y][x+2] != 'W') return;
int act = 1;
//cout << "y " << y << " x " << x << "\n";
if(diagonal[id][0].size())
act = max(act, diagonal[id][0].back().second + 1);
if(diagonal[id][1].size())
act = max(act, diagonal[id][1].back().second + 1);
diagonal[id][0].push_back({x, act});
}
void checkVertical(int y, int x, int id){
if(tab[y][x] != 'R') return;
else if(tab[y+1][x] != 'G') return;
else if(tab[y+2][x] != 'W') return;
int act = 1;
//cout << "y " << y << " x " << x << "\n";
if(diagonal[id][1].size())
act = max(act, diagonal[id][1].back().second + 1);
int it = int(diagonal[id][0].size())-1;
while(it >= 0){
if(diagonal[id][0][it].first + 3 <= x){
act = max(act, diagonal[id][0][it].second + 1);
break;
}
it--;
}
diagonal[id][1].push_back({x, act});
}
void addres(int id){
int best = 0;
if(diagonal[id][0].size())
best = max(best, diagonal[id][0].back().second);
if(diagonal[id][1].size())
best = max(best, diagonal[id][1].back().second);
res += best;
}
void solve(){
for(int i = 1; i <= n; i++){
for(int j = 1; 0 <= (i-j); j++){
if(j + 2 <= m)
checkHorizontal((i-j+1), j, i);
if((i-j+1)+2 <= n)
checkVertical((i-j+1), j, i);
}
addres(i);
}
for(int j = 2; j <= m; j++){
for(int i = n; (n-i) + j <= m ; i--){
if((n-i) + j + 2 <= m)
checkHorizontal(i, (n-i) + j, n+j);
if(i+2 <= n)
checkVertical(i, (n-i) + j, n+j);
}
addres(n+j);
}
}
int main(){
ios_base::sync_with_stdio(0);
cin.tie(0);
cin >> n >> m;
for(int i = 1; i <= n; i++)
for(int j = 1; j <= m; j++)
cin >> tab[i][j];
solve();
cout << res << "\n";
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
2648 KB |
Output is correct |
2 |
Correct |
1 ms |
2652 KB |
Output is correct |
3 |
Correct |
1 ms |
2652 KB |
Output is correct |
4 |
Correct |
1 ms |
2652 KB |
Output is correct |
5 |
Correct |
1 ms |
2700 KB |
Output is correct |
6 |
Correct |
1 ms |
2652 KB |
Output is correct |
7 |
Correct |
1 ms |
2652 KB |
Output is correct |
8 |
Correct |
1 ms |
2652 KB |
Output is correct |
9 |
Correct |
1 ms |
2652 KB |
Output is correct |
10 |
Correct |
1 ms |
2648 KB |
Output is correct |
11 |
Correct |
1 ms |
2652 KB |
Output is correct |
12 |
Correct |
1 ms |
2652 KB |
Output is correct |
13 |
Correct |
1 ms |
2652 KB |
Output is correct |
14 |
Correct |
1 ms |
2648 KB |
Output is correct |
15 |
Correct |
1 ms |
2648 KB |
Output is correct |
16 |
Correct |
1 ms |
2652 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
2648 KB |
Output is correct |
2 |
Correct |
1 ms |
2652 KB |
Output is correct |
3 |
Correct |
1 ms |
2652 KB |
Output is correct |
4 |
Correct |
1 ms |
2652 KB |
Output is correct |
5 |
Correct |
1 ms |
2700 KB |
Output is correct |
6 |
Correct |
1 ms |
2652 KB |
Output is correct |
7 |
Correct |
1 ms |
2652 KB |
Output is correct |
8 |
Correct |
1 ms |
2652 KB |
Output is correct |
9 |
Correct |
1 ms |
2652 KB |
Output is correct |
10 |
Correct |
1 ms |
2648 KB |
Output is correct |
11 |
Correct |
1 ms |
2652 KB |
Output is correct |
12 |
Correct |
1 ms |
2652 KB |
Output is correct |
13 |
Correct |
1 ms |
2652 KB |
Output is correct |
14 |
Correct |
1 ms |
2648 KB |
Output is correct |
15 |
Correct |
1 ms |
2648 KB |
Output is correct |
16 |
Correct |
1 ms |
2652 KB |
Output is correct |
17 |
Correct |
1 ms |
2696 KB |
Output is correct |
18 |
Correct |
1 ms |
2652 KB |
Output is correct |
19 |
Correct |
1 ms |
2652 KB |
Output is correct |
20 |
Correct |
1 ms |
2652 KB |
Output is correct |
21 |
Correct |
1 ms |
2652 KB |
Output is correct |
22 |
Correct |
1 ms |
2652 KB |
Output is correct |
23 |
Correct |
1 ms |
2652 KB |
Output is correct |
24 |
Correct |
1 ms |
2652 KB |
Output is correct |
25 |
Correct |
1 ms |
2652 KB |
Output is correct |
26 |
Correct |
1 ms |
2652 KB |
Output is correct |
27 |
Correct |
1 ms |
2652 KB |
Output is correct |
28 |
Correct |
1 ms |
2652 KB |
Output is correct |
29 |
Correct |
1 ms |
2652 KB |
Output is correct |
30 |
Correct |
1 ms |
2648 KB |
Output is correct |
31 |
Correct |
1 ms |
2652 KB |
Output is correct |
32 |
Correct |
2 ms |
2652 KB |
Output is correct |
33 |
Correct |
1 ms |
2648 KB |
Output is correct |
34 |
Correct |
1 ms |
2652 KB |
Output is correct |
35 |
Correct |
1 ms |
2652 KB |
Output is correct |
36 |
Correct |
1 ms |
2652 KB |
Output is correct |
37 |
Correct |
1 ms |
2648 KB |
Output is correct |
38 |
Correct |
1 ms |
2652 KB |
Output is correct |
39 |
Correct |
1 ms |
2652 KB |
Output is correct |
40 |
Correct |
1 ms |
2652 KB |
Output is correct |
41 |
Correct |
1 ms |
2652 KB |
Output is correct |
42 |
Correct |
1 ms |
2652 KB |
Output is correct |
43 |
Correct |
1 ms |
2648 KB |
Output is correct |
44 |
Correct |
1 ms |
2652 KB |
Output is correct |
45 |
Correct |
1 ms |
2652 KB |
Output is correct |
46 |
Correct |
1 ms |
2652 KB |
Output is correct |
47 |
Correct |
1 ms |
2652 KB |
Output is correct |
48 |
Correct |
1 ms |
2652 KB |
Output is correct |
49 |
Correct |
1 ms |
2652 KB |
Output is correct |
50 |
Correct |
1 ms |
2648 KB |
Output is correct |
51 |
Correct |
1 ms |
2804 KB |
Output is correct |
52 |
Correct |
1 ms |
2692 KB |
Output is correct |
53 |
Correct |
1 ms |
2696 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
2648 KB |
Output is correct |
2 |
Correct |
1 ms |
2652 KB |
Output is correct |
3 |
Correct |
1 ms |
2652 KB |
Output is correct |
4 |
Correct |
1 ms |
2652 KB |
Output is correct |
5 |
Correct |
1 ms |
2700 KB |
Output is correct |
6 |
Correct |
1 ms |
2652 KB |
Output is correct |
7 |
Correct |
1 ms |
2652 KB |
Output is correct |
8 |
Correct |
1 ms |
2652 KB |
Output is correct |
9 |
Correct |
1 ms |
2652 KB |
Output is correct |
10 |
Correct |
1 ms |
2648 KB |
Output is correct |
11 |
Correct |
1 ms |
2652 KB |
Output is correct |
12 |
Correct |
1 ms |
2652 KB |
Output is correct |
13 |
Correct |
1 ms |
2652 KB |
Output is correct |
14 |
Correct |
1 ms |
2648 KB |
Output is correct |
15 |
Correct |
1 ms |
2648 KB |
Output is correct |
16 |
Correct |
1 ms |
2652 KB |
Output is correct |
17 |
Correct |
1 ms |
2696 KB |
Output is correct |
18 |
Correct |
1 ms |
2652 KB |
Output is correct |
19 |
Correct |
1 ms |
2652 KB |
Output is correct |
20 |
Correct |
1 ms |
2652 KB |
Output is correct |
21 |
Correct |
1 ms |
2652 KB |
Output is correct |
22 |
Correct |
1 ms |
2652 KB |
Output is correct |
23 |
Correct |
1 ms |
2652 KB |
Output is correct |
24 |
Correct |
1 ms |
2652 KB |
Output is correct |
25 |
Correct |
1 ms |
2652 KB |
Output is correct |
26 |
Correct |
1 ms |
2652 KB |
Output is correct |
27 |
Correct |
1 ms |
2652 KB |
Output is correct |
28 |
Correct |
1 ms |
2652 KB |
Output is correct |
29 |
Correct |
1 ms |
2652 KB |
Output is correct |
30 |
Correct |
1 ms |
2648 KB |
Output is correct |
31 |
Correct |
1 ms |
2652 KB |
Output is correct |
32 |
Correct |
2 ms |
2652 KB |
Output is correct |
33 |
Correct |
1 ms |
2648 KB |
Output is correct |
34 |
Correct |
1 ms |
2652 KB |
Output is correct |
35 |
Correct |
1 ms |
2652 KB |
Output is correct |
36 |
Correct |
1 ms |
2652 KB |
Output is correct |
37 |
Correct |
1 ms |
2648 KB |
Output is correct |
38 |
Correct |
1 ms |
2652 KB |
Output is correct |
39 |
Correct |
1 ms |
2652 KB |
Output is correct |
40 |
Correct |
1 ms |
2652 KB |
Output is correct |
41 |
Correct |
1 ms |
2652 KB |
Output is correct |
42 |
Correct |
1 ms |
2652 KB |
Output is correct |
43 |
Correct |
1 ms |
2648 KB |
Output is correct |
44 |
Correct |
1 ms |
2652 KB |
Output is correct |
45 |
Correct |
1 ms |
2652 KB |
Output is correct |
46 |
Correct |
1 ms |
2652 KB |
Output is correct |
47 |
Correct |
1 ms |
2652 KB |
Output is correct |
48 |
Correct |
1 ms |
2652 KB |
Output is correct |
49 |
Correct |
1 ms |
2652 KB |
Output is correct |
50 |
Correct |
1 ms |
2648 KB |
Output is correct |
51 |
Correct |
1 ms |
2804 KB |
Output is correct |
52 |
Correct |
1 ms |
2692 KB |
Output is correct |
53 |
Correct |
1 ms |
2696 KB |
Output is correct |
54 |
Runtime error |
3 ms |
4956 KB |
Execution killed with signal 11 |
55 |
Halted |
0 ms |
0 KB |
- |