oj.uz

Submission #678643

# Submission time Handle Problem Language Result Execution time Memory
678643 2023-01-06T09:11:39 Z jahsdwaijsd Dango Maker (JOI18_dango_maker) C++17
100 / 100
 327 ms 36812 KB 
/*
#pragma GCC optimize("Ofast")
#pragma GCC target("avx2")
#pragma GCC optimize("unroll-loops")
*/
#include <bits/stdc++.h>
#define taskname "bai3"
#define all(x) x.begin(), x.end()
#define ll long long
#define ull unsigned ll
#define ld long double
#define pb push_back
#define ff first
#define ss second
#define pii pair<int, int>
#define pll pair<ll, ll>
#define vi vector<int>
using namespace std;
using cd = complex<double>;

const int mxN = 3e3 + 5;
const int mod = 1e9 + 7;
const ll oo = 1e18;

int n, m, a[mxN][mxN];

void solve() {
    cin >> n >> m;
    for(int i = 1; i <= n; ++i) {
        for(int j = 1; j <= m; ++j) {
            char c; cin >> c;
            if(c == 'R') a[i][j] = 0;
            else if(c == 'G') a[i][j] = 1;
            else a[i][j] = 2;
            //cout << a[i][j] << " ";
        }
        //cout << "\n";
    }
    int ans = 0;
    for(int sum = 2; sum <= n + m; ++sum) {
        int dp[mxN][2], cnt = 0;
        memset(dp, 0, sizeof dp);
        for(int i = 1; i <= n; ++i) {
            int j = sum - i;
            if(j > m || j < 1)
                continue;
            if(i < 3)
                dp[i][0] = 0;
            else {
                int tmp = 0;
                if(a[i][j] == 2 && a[i - 1][j] == 1 && a[i - 2][j] == 0)
                    tmp = 1;
                dp[i][0] = max(dp[i - 1][0], dp[i - 3][1]) + tmp;
            }
            if(j < 3) {
                dp[i][1] = dp[i - 1][1];
                if(i > 3)
                    dp[i][1] = max(dp[i][1], dp[i - 3][0]);
            }
            else {
                int tmp = 0;
                if(a[i][j] == 2 && a[i][j - 1] == 1 && a[i][j - 2] == 0)
                    tmp = 1;
                dp[i][1] = max(dp[i - 1][0], dp[i - 1][1]) + tmp;
            }
            cnt = max({cnt, dp[i][0], dp[i][1]});
        }
        ans += cnt;
    }
    cout << ans << "\n";
}

signed main() {
#ifdef CDuongg
    freopen("bai3.inp", "r", stdin);
    freopen("bai3.out", "w", stdout);
    auto start = chrono::high_resolution_clock::now();
#endif

    ios_base::sync_with_stdio(false);
    cin.tie(nullptr);
    int t = 1; //cin >> t;
    while(t--) solve();

#ifdef CDuongg
    auto end = chrono::high_resolution_clock::now();
    cout << "\n"; for(int i = 1; i <= 100; ++i) cout << '=';
    cout << "\nExecution time: " << chrono::duration_cast<chrono::milliseconds> (end - start).count() << "[ms]" << endl;
#endif

}

Subtask #1
13.0 / 13.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 340 KB Output is correct
2 Correct 0 ms 340 KB Output is correct
3 Correct 0 ms 340 KB Output is correct
4 Correct 0 ms 340 KB Output is correct
5 Correct 1 ms 340 KB Output is correct
6 Correct 0 ms 340 KB Output is correct
7 Correct 0 ms 340 KB Output is correct
8 Correct 1 ms 340 KB Output is correct
9 Correct 0 ms 340 KB Output is correct
10 Correct 0 ms 340 KB Output is correct
11 Correct 0 ms 340 KB Output is correct
12 Correct 0 ms 340 KB Output is correct
13 Correct 0 ms 340 KB Output is correct
14 Correct 0 ms 340 KB Output is correct
15 Correct 1 ms 340 KB Output is correct
16 Correct 0 ms 340 KB Output is correct

Subtask #2
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 340 KB Output is correct
2 Correct 0 ms 340 KB Output is correct
3 Correct 0 ms 340 KB Output is correct
4 Correct 0 ms 340 KB Output is correct
5 Correct 1 ms 340 KB Output is correct
6 Correct 0 ms 340 KB Output is correct
7 Correct 0 ms 340 KB Output is correct
8 Correct 1 ms 340 KB Output is correct
9 Correct 0 ms 340 KB Output is correct
10 Correct 0 ms 340 KB Output is correct
11 Correct 0 ms 340 KB Output is correct
12 Correct 0 ms 340 KB Output is correct
13 Correct 0 ms 340 KB Output is correct
14 Correct 0 ms 340 KB Output is correct
15 Correct 1 ms 340 KB Output is correct
16 Correct 0 ms 340 KB Output is correct
17 Correct 0 ms 340 KB Output is correct
18 Correct 1 ms 340 KB Output is correct
19 Correct 0 ms 340 KB Output is correct
20 Correct 0 ms 340 KB Output is correct
21 Correct 0 ms 340 KB Output is correct
22 Correct 0 ms 340 KB Output is correct
23 Correct 1 ms 340 KB Output is correct
24 Correct 1 ms 340 KB Output is correct
25 Correct 1 ms 340 KB Output is correct
26 Correct 1 ms 340 KB Output is correct
27 Correct 1 ms 340 KB Output is correct
28 Correct 1 ms 340 KB Output is correct
29 Correct 1 ms 340 KB Output is correct
30 Correct 1 ms 340 KB Output is correct
31 Correct 1 ms 340 KB Output is correct
32 Correct 1 ms 340 KB Output is correct
33 Correct 0 ms 340 KB Output is correct
34 Correct 1 ms 340 KB Output is correct
35 Correct 1 ms 340 KB Output is correct
36 Correct 1 ms 340 KB Output is correct
37 Correct 1 ms 340 KB Output is correct
38 Correct 0 ms 340 KB Output is correct
39 Correct 1 ms 340 KB Output is correct
40 Correct 1 ms 340 KB Output is correct
41 Correct 1 ms 340 KB Output is correct
42 Correct 1 ms 340 KB Output is correct
43 Correct 1 ms 348 KB Output is correct
44 Correct 1 ms 340 KB Output is correct
45 Correct 1 ms 340 KB Output is correct
46 Correct 1 ms 352 KB Output is correct
47 Correct 0 ms 352 KB Output is correct
48 Correct 1 ms 340 KB Output is correct
49 Correct 1 ms 340 KB Output is correct
50 Correct 1 ms 340 KB Output is correct
51 Correct 0 ms 352 KB Output is correct
52 Correct 1 ms 340 KB Output is correct
53 Correct 0 ms 340 KB Output is correct

Subtask #3
67.0 / 67.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 340 KB Output is correct
2 Correct 0 ms 340 KB Output is correct
3 Correct 0 ms 340 KB Output is correct
4 Correct 0 ms 340 KB Output is correct
5 Correct 1 ms 340 KB Output is correct
6 Correct 0 ms 340 KB Output is correct
7 Correct 0 ms 340 KB Output is correct
8 Correct 1 ms 340 KB Output is correct
9 Correct 0 ms 340 KB Output is correct
10 Correct 0 ms 340 KB Output is correct
11 Correct 0 ms 340 KB Output is correct
12 Correct 0 ms 340 KB Output is correct
13 Correct 0 ms 340 KB Output is correct
14 Correct 0 ms 340 KB Output is correct
15 Correct 1 ms 340 KB Output is correct
16 Correct 0 ms 340 KB Output is correct
17 Correct 0 ms 340 KB Output is correct
18 Correct 1 ms 340 KB Output is correct
19 Correct 0 ms 340 KB Output is correct
20 Correct 0 ms 340 KB Output is correct
21 Correct 0 ms 340 KB Output is correct
22 Correct 0 ms 340 KB Output is correct
23 Correct 1 ms 340 KB Output is correct
24 Correct 1 ms 340 KB Output is correct
25 Correct 1 ms 340 KB Output is correct
26 Correct 1 ms 340 KB Output is correct
27 Correct 1 ms 340 KB Output is correct
28 Correct 1 ms 340 KB Output is correct
29 Correct 1 ms 340 KB Output is correct
30 Correct 1 ms 340 KB Output is correct
31 Correct 1 ms 340 KB Output is correct
32 Correct 1 ms 340 KB Output is correct
33 Correct 0 ms 340 KB Output is correct
34 Correct 1 ms 340 KB Output is correct
35 Correct 1 ms 340 KB Output is correct
36 Correct 1 ms 340 KB Output is correct
37 Correct 1 ms 340 KB Output is correct
38 Correct 0 ms 340 KB Output is correct
39 Correct 1 ms 340 KB Output is correct
40 Correct 1 ms 340 KB Output is correct
41 Correct 1 ms 340 KB Output is correct
42 Correct 1 ms 340 KB Output is correct
43 Correct 1 ms 348 KB Output is correct
44 Correct 1 ms 340 KB Output is correct
45 Correct 1 ms 340 KB Output is correct
46 Correct 1 ms 352 KB Output is correct
47 Correct 0 ms 352 KB Output is correct
48 Correct 1 ms 340 KB Output is correct
49 Correct 1 ms 340 KB Output is correct
50 Correct 1 ms 340 KB Output is correct
51 Correct 0 ms 352 KB Output is correct
52 Correct 1 ms 340 KB Output is correct
53 Correct 0 ms 340 KB Output is correct
54 Correct 2 ms 340 KB Output is correct
55 Correct 14 ms 12372 KB Output is correct
56 Correct 2 ms 340 KB Output is correct
57 Correct 8 ms 8404 KB Output is correct
58 Correct 37 ms 8612 KB Output is correct
59 Correct 318 ms 36540 KB Output is correct
60 Correct 326 ms 36656 KB Output is correct
61 Correct 327 ms 36788 KB Output is correct
62 Correct 2 ms 340 KB Output is correct
63 Correct 310 ms 36768 KB Output is correct
64 Correct 201 ms 36812 KB Output is correct
65 Correct 203 ms 36652 KB Output is correct
66 Correct 207 ms 36584 KB Output is correct
67 Correct 193 ms 36460 KB Output is correct
68 Correct 193 ms 36356 KB Output is correct
69 Correct 204 ms 35888 KB Output is correct
70 Correct 22 ms 8148 KB Output is correct
71 Correct 21 ms 8280 KB Output is correct
72 Correct 22 ms 8192 KB Output is correct
73 Correct 22 ms 8188 KB Output is correct
74 Correct 22 ms 8276 KB Output is correct
75 Correct 22 ms 8272 KB Output is correct
76 Correct 22 ms 8148 KB Output is correct
77 Correct 22 ms 8276 KB Output is correct
78 Correct 23 ms 8212 KB Output is correct
79 Correct 22 ms 8160 KB Output is correct
80 Correct 22 ms 8260 KB Output is correct
81 Correct 22 ms 8276 KB Output is correct
82 Correct 22 ms 8256 KB Output is correct
83 Correct 22 ms 8276 KB Output is correct
84 Correct 24 ms 8268 KB Output is correct
85 Correct 23 ms 8204 KB Output is correct
86 Correct 23 ms 8280 KB Output is correct
87 Correct 22 ms 8276 KB Output is correct
88 Correct 22 ms 8236 KB Output is correct
89 Correct 22 ms 8404 KB Output is correct
90 Correct 22 ms 8276 KB Output is correct