oj.uz

Submission #891581

# Submission time Handle Problem Language Result Execution time Memory
891581 2023-12-23T09:04:57 Z frostray8653 Dango Maker (JOI18_dango_maker) C++17
100 / 100
 211 ms 248656 KB 
#include <bits/stdc++.h>
#define int long long
#define IO ios::sync_with_stdio(0), cin.tie(0)
#define FOR(i, a, b) for (int i = a; i <= b; i++)
using namespace std;
using pii = pair<int, int>;
void dbg() {;}
template<class T, class ...U>
void dbg(T a, U ...b) { cout << a << " "; dbg(b...); }
void ent() { cout << "\n"; }
const int INF = 1e17;
const int N = 3005;

char a[N][N];
int vis[N][N];
int n, m;
bool can_x[N][N], can_y[N][N];
int dp[N][N], dpx[N][N], dpy[N][N];

signed main() {
    IO;
    
    cin >> n >> m;
    FOR(i, 1, n) FOR(j, 1, m) cin >> a[i][j];

    auto inside = [&](int x, int y) {
        return (1 <= x && x <= n && 1 <= y && y <= m);
    };
    FOR(i, 1, n) {
        FOR(j, 1, m) {
            if (inside(i - 1, j) && inside(i + 1, j) &&
                a[i - 1][j] == 'R' && a[i][j] == 'G' && a[i + 1][j] == 'W')
                can_x[i][j] = true;
            if (inside(i, j - 1) && inside(i, j + 1) &&
                a[i][j - 1] == 'R' && a[i][j] == 'G' && a[i][j + 1] == 'W')
                can_y[i][j] = true;
        }
    }

    for (int i = 1; i <= n; i++) {
        for (int j = 1; j <= m; j++) {
            if (can_x[i][j]) {
                dpx[i][j] = max(dpx[i - 1][j + 1], dp[i - 1][j + 1]) + 1;
            }
            if (can_y[i][j]) {
                dpy[i][j] = max(dpy[i - 1][j + 1], dp[i - 1][j + 1]) + 1;
            }
            dp[i][j] = max({dp[i - 1][j + 1], dpx[i - 1][j + 1], dpy[i - 1][j + 1]});
        }
    }
    int ans = 0;
    for (int i = 1; i <= n; i++)
        ans += max({dp[i][1], dpx[i][1], dpy[i][1]});
    for (int j = 2; j <= m; j++)
        ans += max({dp[n][j], dpx[n][j], dpy[n][j]});
    cout << ans << "\n";
    
    return 0;
}

Subtask #1
13.0 / 13.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 4444 KB Output is correct
2 Correct 1 ms 4576 KB Output is correct
3 Correct 1 ms 4560 KB Output is correct
4 Correct 1 ms 4440 KB Output is correct
5 Correct 1 ms 4444 KB Output is correct
6 Correct 1 ms 8540 KB Output is correct
7 Correct 1 ms 8540 KB Output is correct
8 Correct 1 ms 8540 KB Output is correct
9 Correct 1 ms 8540 KB Output is correct
10 Correct 1 ms 6492 KB Output is correct
11 Correct 1 ms 8540 KB Output is correct
12 Correct 1 ms 8540 KB Output is correct
13 Correct 1 ms 8656 KB Output is correct
14 Correct 1 ms 6492 KB Output is correct
15 Correct 1 ms 6492 KB Output is correct
16 Correct 1 ms 6492 KB Output is correct

Subtask #2
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 4444 KB Output is correct
2 Correct 1 ms 4576 KB Output is correct
3 Correct 1 ms 4560 KB Output is correct
4 Correct 1 ms 4440 KB Output is correct
5 Correct 1 ms 4444 KB Output is correct
6 Correct 1 ms 8540 KB Output is correct
7 Correct 1 ms 8540 KB Output is correct
8 Correct 1 ms 8540 KB Output is correct
9 Correct 1 ms 8540 KB Output is correct
10 Correct 1 ms 6492 KB Output is correct
11 Correct 1 ms 8540 KB Output is correct
12 Correct 1 ms 8540 KB Output is correct
13 Correct 1 ms 8656 KB Output is correct
14 Correct 1 ms 6492 KB Output is correct
15 Correct 1 ms 6492 KB Output is correct
16 Correct 1 ms 6492 KB Output is correct
17 Correct 1 ms 8536 KB Output is correct
18 Correct 1 ms 8536 KB Output is correct
19 Correct 1 ms 8540 KB Output is correct
20 Correct 1 ms 8540 KB Output is correct
21 Correct 2 ms 10588 KB Output is correct
22 Correct 1 ms 10588 KB Output is correct
23 Correct 1 ms 8540 KB Output is correct
24 Correct 1 ms 6492 KB Output is correct
25 Correct 1 ms 4552 KB Output is correct
26 Correct 1 ms 4444 KB Output is correct
27 Correct 1 ms 10588 KB Output is correct
28 Correct 1 ms 10588 KB Output is correct
29 Correct 1 ms 8536 KB Output is correct
30 Correct 1 ms 6492 KB Output is correct
31 Correct 1 ms 6492 KB Output is correct
32 Correct 1 ms 6492 KB Output is correct
33 Correct 2 ms 10584 KB Output is correct
34 Correct 1 ms 10588 KB Output is correct
35 Correct 2 ms 10588 KB Output is correct
36 Correct 2 ms 10588 KB Output is correct
37 Correct 1 ms 10588 KB Output is correct
38 Correct 2 ms 8796 KB Output is correct
39 Correct 1 ms 10840 KB Output is correct
40 Correct 2 ms 10584 KB Output is correct
41 Correct 1 ms 10588 KB Output is correct
42 Correct 1 ms 10588 KB Output is correct
43 Correct 2 ms 10588 KB Output is correct
44 Correct 2 ms 10588 KB Output is correct
45 Correct 2 ms 10584 KB Output is correct
46 Correct 1 ms 10588 KB Output is correct
47 Correct 2 ms 10584 KB Output is correct
48 Correct 1 ms 10588 KB Output is correct
49 Correct 1 ms 10588 KB Output is correct
50 Correct 1 ms 10588 KB Output is correct
51 Correct 2 ms 10716 KB Output is correct
52 Correct 1 ms 10588 KB Output is correct
53 Correct 2 ms 10844 KB Output is correct

Subtask #3
67.0 / 67.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 4444 KB Output is correct
2 Correct 1 ms 4576 KB Output is correct
3 Correct 1 ms 4560 KB Output is correct
4 Correct 1 ms 4440 KB Output is correct
5 Correct 1 ms 4444 KB Output is correct
6 Correct 1 ms 8540 KB Output is correct
7 Correct 1 ms 8540 KB Output is correct
8 Correct 1 ms 8540 KB Output is correct
9 Correct 1 ms 8540 KB Output is correct
10 Correct 1 ms 6492 KB Output is correct
11 Correct 1 ms 8540 KB Output is correct
12 Correct 1 ms 8540 KB Output is correct
13 Correct 1 ms 8656 KB Output is correct
14 Correct 1 ms 6492 KB Output is correct
15 Correct 1 ms 6492 KB Output is correct
16 Correct 1 ms 6492 KB Output is correct
17 Correct 1 ms 8536 KB Output is correct
18 Correct 1 ms 8536 KB Output is correct
19 Correct 1 ms 8540 KB Output is correct
20 Correct 1 ms 8540 KB Output is correct
21 Correct 2 ms 10588 KB Output is correct
22 Correct 1 ms 10588 KB Output is correct
23 Correct 1 ms 8540 KB Output is correct
24 Correct 1 ms 6492 KB Output is correct
25 Correct 1 ms 4552 KB Output is correct
26 Correct 1 ms 4444 KB Output is correct
27 Correct 1 ms 10588 KB Output is correct
28 Correct 1 ms 10588 KB Output is correct
29 Correct 1 ms 8536 KB Output is correct
30 Correct 1 ms 6492 KB Output is correct
31 Correct 1 ms 6492 KB Output is correct
32 Correct 1 ms 6492 KB Output is correct
33 Correct 2 ms 10584 KB Output is correct
34 Correct 1 ms 10588 KB Output is correct
35 Correct 2 ms 10588 KB Output is correct
36 Correct 2 ms 10588 KB Output is correct
37 Correct 1 ms 10588 KB Output is correct
38 Correct 2 ms 8796 KB Output is correct
39 Correct 1 ms 10840 KB Output is correct
40 Correct 2 ms 10584 KB Output is correct
41 Correct 1 ms 10588 KB Output is correct
42 Correct 1 ms 10588 KB Output is correct
43 Correct 2 ms 10588 KB Output is correct
44 Correct 2 ms 10588 KB Output is correct
45 Correct 2 ms 10584 KB Output is correct
46 Correct 1 ms 10588 KB Output is correct
47 Correct 2 ms 10584 KB Output is correct
48 Correct 1 ms 10588 KB Output is correct
49 Correct 1 ms 10588 KB Output is correct
50 Correct 1 ms 10588 KB Output is correct
51 Correct 2 ms 10716 KB Output is correct
52 Correct 1 ms 10588 KB Output is correct
53 Correct 2 ms 10844 KB Output is correct
54 Correct 1 ms 6492 KB Output is correct
55 Correct 16 ms 90712 KB Output is correct
56 Correct 2 ms 8796 KB Output is correct
57 Correct 20 ms 135516 KB Output is correct
58 Correct 29 ms 88416 KB Output is correct
59 Correct 210 ms 248404 KB Output is correct
60 Correct 211 ms 248656 KB Output is correct
61 Correct 200 ms 248404 KB Output is correct
62 Correct 1 ms 6488 KB Output is correct
63 Correct 198 ms 247892 KB Output is correct
64 Correct 131 ms 248380 KB Output is correct
65 Correct 131 ms 248380 KB Output is correct
66 Correct 129 ms 248404 KB Output is correct
67 Correct 127 ms 153520 KB Output is correct
68 Correct 127 ms 161360 KB Output is correct
69 Correct 137 ms 215236 KB Output is correct
70 Correct 21 ms 88412 KB Output is correct
71 Correct 21 ms 88404 KB Output is correct
72 Correct 22 ms 88412 KB Output is correct
73 Correct 20 ms 88412 KB Output is correct
74 Correct 21 ms 88412 KB Output is correct
75 Correct 21 ms 88404 KB Output is correct
76 Correct 21 ms 88412 KB Output is correct
77 Correct 21 ms 88528 KB Output is correct
78 Correct 21 ms 88404 KB Output is correct
79 Correct 21 ms 88404 KB Output is correct
80 Correct 21 ms 88412 KB Output is correct
81 Correct 22 ms 88508 KB Output is correct
82 Correct 21 ms 88484 KB Output is correct
83 Correct 21 ms 88412 KB Output is correct
84 Correct 21 ms 88412 KB Output is correct
85 Correct 23 ms 88376 KB Output is correct
86 Correct 21 ms 88404 KB Output is correct
87 Correct 22 ms 88400 KB Output is correct
88 Correct 22 ms 88408 KB Output is correct
89 Correct 21 ms 88412 KB Output is correct
90 Correct 27 ms 88412 KB Output is correct