/**
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
*/
#include <cstring>
#include <ext/pb_ds/assoc_container.hpp>
#include <ext/pb_ds/tree_policy.hpp>
#include <vector>
#include <list>
#include <map>
#include <set>
#include <deque>
#include <stack>
#include <bitset>
#include <algorithm>
#include <functional>
#include <numeric>
#include <utility>
#include <sstream>
#include <iostream>
#include <iomanip>
#include <cstdio>
#include <queue>
#include <cmath>
#include <cstdlib>
#include <ctime>
#include <cassert>
#define F first
#define S second
#define endl '\n'
#define deb(x) cout<<#x<<' '<<x<<endl;
#define pb push_back
using namespace __gnu_pbds;
using namespace std;
typedef tree<
int,
null_type,
less<int>,
rb_tree_tag,
tree_order_statistics_node_update>
ordered_set;
/*
#ifdef IZI_KATKA
#define int __int64_t
#else
#define int __int64
#endif
*/
const long long MOD = 1e9 + 7;
const long long MAXN = 1e6 + 1;
typedef long long ll;
#define pii pair<int,int>
long long readInt() {
bool minus1 = false;
long long result = 0;
char ch;
ch = getchar();
while (true) {
if (ch == '-') break;
if (ch >= '0' && ch <= '9') break;
ch = getchar();
}
if (ch == '-') minus1 = true; else result = ch-'0';
while (true) {
ch = getchar();
if (ch < '0' || ch > '9') break;
result = result*10 + (ch - '0');
}
if (minus1)
return -result;
else
return result;
}
const int MXN = 3333;
char a[MXN][MXN];
int dp[MXN][4];
int good[MXN][MXN];
bool gright(int x, int y) {
return (a[x][y] == 'R' && a[x][y + 1] == 'G' && a[x][y + 2] == 'W');
}
bool gdown(int x, int y) {
return (a[x][y] == 'R' && a[x + 1][y] == 'G' && a[x + 2][y] == 'W');
}
int main() {
#ifdef IZI_KATKA
assert(freopen("input", "r", stdin));
assert(freopen("output", "w", stdout));
#endif
int n = readInt(), m = readInt();
for (int i = 1; i <= n; i++) {
for (int j = 1; j <= m; j++) {
cin >> a[i][j];
}
}
for (int i = 1; i <= n; i++) {
for (int j = 1; j <= m; j++) {
if (gright(i, j)) {
good[i][j + 1] |= 1;
}
if (gdown(i, j)) {
good[i + 1][j] |= 2;
}
}
}
int ans = 0;
for (int S = 2; S <= n + m; S++) {
memset(dp, 0, sizeof(dp));
bool kek = 0;
int res = 0;
for (int i = 1; i <= n; i++) {
int j = S - i;
if (j <= 0 || j > m) continue;
if (!kek) {
kek = 1;
if (good[i][j] & 1) dp[i][1] = 1;
if (good[i][j] & 2) dp[i][2] = 1;
res = max(res, max(dp[i][1], dp[i][2]));
continue;
}
dp[i][0] = max(dp[i-1][0], max(dp[i-1][1], dp[i-1][2]));;
if(good[i][j]&1)
{
dp[i][1] = 1;
dp[i][1] += max(dp[i-1][0], dp[i-1][1]);
}
if(good[i][j]&2)
{
dp[i][2] = 1;
dp[i][2] += max(dp[i-1][0], dp[i-1][2]);
}
res=max(res,max(dp[i][0],max(dp[i][1],dp[i][2])));
}
ans += res;
}
cout << ans;
return 0;
}
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
6 ms |
344 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 |
5 ms |
376 KB |
Output is correct |
6 |
Correct |
5 ms |
376 KB |
Output is correct |
7 |
Correct |
5 ms |
376 KB |
Output is correct |
8 |
Correct |
5 ms |
376 KB |
Output is correct |
9 |
Correct |
5 ms |
376 KB |
Output is correct |
10 |
Correct |
5 ms |
376 KB |
Output is correct |
11 |
Correct |
5 ms |
376 KB |
Output is correct |
12 |
Correct |
5 ms |
376 KB |
Output is correct |
13 |
Correct |
5 ms |
376 KB |
Output is correct |
14 |
Correct |
5 ms |
248 KB |
Output is correct |
15 |
Correct |
5 ms |
376 KB |
Output is correct |
16 |
Correct |
5 ms |
376 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
6 ms |
344 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 |
5 ms |
376 KB |
Output is correct |
6 |
Correct |
5 ms |
376 KB |
Output is correct |
7 |
Correct |
5 ms |
376 KB |
Output is correct |
8 |
Correct |
5 ms |
376 KB |
Output is correct |
9 |
Correct |
5 ms |
376 KB |
Output is correct |
10 |
Correct |
5 ms |
376 KB |
Output is correct |
11 |
Correct |
5 ms |
376 KB |
Output is correct |
12 |
Correct |
5 ms |
376 KB |
Output is correct |
13 |
Correct |
5 ms |
376 KB |
Output is correct |
14 |
Correct |
5 ms |
248 KB |
Output is correct |
15 |
Correct |
5 ms |
376 KB |
Output is correct |
16 |
Correct |
5 ms |
376 KB |
Output is correct |
17 |
Correct |
5 ms |
376 KB |
Output is correct |
18 |
Correct |
5 ms |
376 KB |
Output is correct |
19 |
Correct |
5 ms |
504 KB |
Output is correct |
20 |
Correct |
5 ms |
504 KB |
Output is correct |
21 |
Correct |
5 ms |
376 KB |
Output is correct |
22 |
Correct |
5 ms |
376 KB |
Output is correct |
23 |
Correct |
5 ms |
376 KB |
Output is correct |
24 |
Correct |
5 ms |
376 KB |
Output is correct |
25 |
Correct |
5 ms |
376 KB |
Output is correct |
26 |
Correct |
5 ms |
376 KB |
Output is correct |
27 |
Correct |
6 ms |
588 KB |
Output is correct |
28 |
Correct |
5 ms |
504 KB |
Output is correct |
29 |
Correct |
5 ms |
504 KB |
Output is correct |
30 |
Correct |
5 ms |
504 KB |
Output is correct |
31 |
Correct |
5 ms |
376 KB |
Output is correct |
32 |
Correct |
5 ms |
380 KB |
Output is correct |
33 |
Correct |
5 ms |
508 KB |
Output is correct |
34 |
Correct |
5 ms |
504 KB |
Output is correct |
35 |
Correct |
5 ms |
504 KB |
Output is correct |
36 |
Correct |
5 ms |
504 KB |
Output is correct |
37 |
Correct |
6 ms |
504 KB |
Output is correct |
38 |
Correct |
5 ms |
504 KB |
Output is correct |
39 |
Correct |
5 ms |
504 KB |
Output is correct |
40 |
Correct |
5 ms |
376 KB |
Output is correct |
41 |
Correct |
5 ms |
504 KB |
Output is correct |
42 |
Correct |
5 ms |
504 KB |
Output is correct |
43 |
Correct |
5 ms |
376 KB |
Output is correct |
44 |
Correct |
5 ms |
376 KB |
Output is correct |
45 |
Correct |
5 ms |
380 KB |
Output is correct |
46 |
Correct |
5 ms |
504 KB |
Output is correct |
47 |
Correct |
5 ms |
504 KB |
Output is correct |
48 |
Correct |
5 ms |
376 KB |
Output is correct |
49 |
Correct |
5 ms |
504 KB |
Output is correct |
50 |
Correct |
5 ms |
504 KB |
Output is correct |
51 |
Correct |
5 ms |
504 KB |
Output is correct |
52 |
Correct |
5 ms |
504 KB |
Output is correct |
53 |
Correct |
5 ms |
504 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
6 ms |
344 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 |
5 ms |
376 KB |
Output is correct |
6 |
Correct |
5 ms |
376 KB |
Output is correct |
7 |
Correct |
5 ms |
376 KB |
Output is correct |
8 |
Correct |
5 ms |
376 KB |
Output is correct |
9 |
Correct |
5 ms |
376 KB |
Output is correct |
10 |
Correct |
5 ms |
376 KB |
Output is correct |
11 |
Correct |
5 ms |
376 KB |
Output is correct |
12 |
Correct |
5 ms |
376 KB |
Output is correct |
13 |
Correct |
5 ms |
376 KB |
Output is correct |
14 |
Correct |
5 ms |
248 KB |
Output is correct |
15 |
Correct |
5 ms |
376 KB |
Output is correct |
16 |
Correct |
5 ms |
376 KB |
Output is correct |
17 |
Correct |
5 ms |
376 KB |
Output is correct |
18 |
Correct |
5 ms |
376 KB |
Output is correct |
19 |
Correct |
5 ms |
504 KB |
Output is correct |
20 |
Correct |
5 ms |
504 KB |
Output is correct |
21 |
Correct |
5 ms |
376 KB |
Output is correct |
22 |
Correct |
5 ms |
376 KB |
Output is correct |
23 |
Correct |
5 ms |
376 KB |
Output is correct |
24 |
Correct |
5 ms |
376 KB |
Output is correct |
25 |
Correct |
5 ms |
376 KB |
Output is correct |
26 |
Correct |
5 ms |
376 KB |
Output is correct |
27 |
Correct |
6 ms |
588 KB |
Output is correct |
28 |
Correct |
5 ms |
504 KB |
Output is correct |
29 |
Correct |
5 ms |
504 KB |
Output is correct |
30 |
Correct |
5 ms |
504 KB |
Output is correct |
31 |
Correct |
5 ms |
376 KB |
Output is correct |
32 |
Correct |
5 ms |
380 KB |
Output is correct |
33 |
Correct |
5 ms |
508 KB |
Output is correct |
34 |
Correct |
5 ms |
504 KB |
Output is correct |
35 |
Correct |
5 ms |
504 KB |
Output is correct |
36 |
Correct |
5 ms |
504 KB |
Output is correct |
37 |
Correct |
6 ms |
504 KB |
Output is correct |
38 |
Correct |
5 ms |
504 KB |
Output is correct |
39 |
Correct |
5 ms |
504 KB |
Output is correct |
40 |
Correct |
5 ms |
376 KB |
Output is correct |
41 |
Correct |
5 ms |
504 KB |
Output is correct |
42 |
Correct |
5 ms |
504 KB |
Output is correct |
43 |
Correct |
5 ms |
376 KB |
Output is correct |
44 |
Correct |
5 ms |
376 KB |
Output is correct |
45 |
Correct |
5 ms |
380 KB |
Output is correct |
46 |
Correct |
5 ms |
504 KB |
Output is correct |
47 |
Correct |
5 ms |
504 KB |
Output is correct |
48 |
Correct |
5 ms |
376 KB |
Output is correct |
49 |
Correct |
5 ms |
504 KB |
Output is correct |
50 |
Correct |
5 ms |
504 KB |
Output is correct |
51 |
Correct |
5 ms |
504 KB |
Output is correct |
52 |
Correct |
5 ms |
504 KB |
Output is correct |
53 |
Correct |
5 ms |
504 KB |
Output is correct |
54 |
Correct |
9 ms |
380 KB |
Output is correct |
55 |
Correct |
27 ms |
10616 KB |
Output is correct |
56 |
Correct |
11 ms |
504 KB |
Output is correct |
57 |
Correct |
20 ms |
13944 KB |
Output is correct |
58 |
Correct |
109 ms |
12536 KB |
Output is correct |
59 |
Correct |
951 ms |
58364 KB |
Output is correct |
60 |
Correct |
961 ms |
58232 KB |
Output is correct |
61 |
Correct |
956 ms |
58360 KB |
Output is correct |
62 |
Correct |
9 ms |
376 KB |
Output is correct |
63 |
Correct |
927 ms |
57900 KB |
Output is correct |
64 |
Correct |
930 ms |
58232 KB |
Output is correct |
65 |
Correct |
881 ms |
58264 KB |
Output is correct |
66 |
Correct |
881 ms |
58232 KB |
Output is correct |
67 |
Correct |
862 ms |
34828 KB |
Output is correct |
68 |
Correct |
853 ms |
35064 KB |
Output is correct |
69 |
Correct |
865 ms |
41288 KB |
Output is correct |
70 |
Correct |
102 ms |
12536 KB |
Output is correct |
71 |
Correct |
101 ms |
12664 KB |
Output is correct |
72 |
Correct |
101 ms |
12536 KB |
Output is correct |
73 |
Correct |
100 ms |
12536 KB |
Output is correct |
74 |
Correct |
101 ms |
12536 KB |
Output is correct |
75 |
Correct |
104 ms |
12568 KB |
Output is correct |
76 |
Correct |
100 ms |
12540 KB |
Output is correct |
77 |
Correct |
101 ms |
12536 KB |
Output is correct |
78 |
Correct |
102 ms |
12536 KB |
Output is correct |
79 |
Correct |
104 ms |
12664 KB |
Output is correct |
80 |
Correct |
102 ms |
12536 KB |
Output is correct |
81 |
Correct |
102 ms |
12540 KB |
Output is correct |
82 |
Correct |
101 ms |
12536 KB |
Output is correct |
83 |
Correct |
103 ms |
12536 KB |
Output is correct |
84 |
Correct |
104 ms |
12796 KB |
Output is correct |
85 |
Correct |
102 ms |
12536 KB |
Output is correct |
86 |
Correct |
103 ms |
12588 KB |
Output is correct |
87 |
Correct |
102 ms |
12536 KB |
Output is correct |
88 |
Correct |
103 ms |
12536 KB |
Output is correct |
89 |
Correct |
103 ms |
12536 KB |
Output is correct |
90 |
Correct |
105 ms |
12536 KB |
Output is correct |