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Submission #481372

# Submission time Handle Problem Language Result Execution time Memory
481372 2021-10-20T14:00:49 Z Rainbowbunny Dango Maker (JOI18_dango_maker) C++17
13 / 100
 1 ms 332 KB 
#include <bits/stdc++.h>
using namespace std;

const int MAXN = 3005;

int n, m, ans;
int dp[MAXN][3];
char a[MAXN][MAXN];

int main()
{
    ios_base::sync_with_stdio(false);
    cin.tie(0);
    cout.tie(0);
    cin >> n >> m;
    for(int i = 1; i <= n; i++)
    {
        for(int j = 1; j <= m; j++)
        {
            cin >> a[i][j];
        }
    }
    for(int i = 2; i <= n + m; i++)
    {
        int nw = 0;
        for(int j = 1; j <= min(n, i); j++)
        {
            for(int k = 0; k < 3; k++)
            {
                dp[j][k] = 0;
            }
        }
        for(int j = 1; j <= min(n, i); j++)
        {
            int posx = j, posy = i - j;
            if(a[posx][posy] == 'R' and a[posx][posy + 1] == 'G' and a[posx][posy + 2] == 'W')
            {
                dp[j][0] = max(dp[j][0], dp[j - 1][0] + 1);
            }
            if(a[posx][posy] == 'R' and a[posx + 1][posy] == 'G' and a[posx + 2][posy] == 'W')
            {
                dp[j][2] = max(dp[j][2], max({dp[j - 1][0], dp[j - 1][1], dp[j - 1][2]}) + 1);
            }
            dp[j][0] = max(dp[j][0], dp[j - 1][1]);
            dp[j][1] = max(dp[j][1], dp[j - 1][2]);
            nw = max({nw, dp[j][0], dp[j][1], dp[j][2]});
        }
        ans += nw;
    }
    cout << ans << '\n';
}

Subtask #1
13.0 / 13.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 204 KB Output is correct
2 Correct 1 ms 204 KB Output is correct
3 Correct 0 ms 204 KB Output is correct
4 Correct 0 ms 332 KB Output is correct
5 Correct 0 ms 332 KB Output is correct
6 Correct 0 ms 332 KB Output is correct
7 Correct 0 ms 332 KB Output is correct
8 Correct 0 ms 332 KB Output is correct
9 Correct 1 ms 332 KB Output is correct
10 Correct 0 ms 332 KB Output is correct
11 Correct 1 ms 332 KB Output is correct
12 Correct 0 ms 204 KB Output is correct
13 Correct 1 ms 332 KB Output is correct
14 Correct 1 ms 332 KB Output is correct
15 Correct 0 ms 332 KB Output is correct
16 Correct 0 ms 332 KB Output is correct

Subtask #2
0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 204 KB Output is correct
2 Correct 1 ms 204 KB Output is correct
3 Correct 0 ms 204 KB Output is correct
4 Correct 0 ms 332 KB Output is correct
5 Correct 0 ms 332 KB Output is correct
6 Correct 0 ms 332 KB Output is correct
7 Correct 0 ms 332 KB Output is correct
8 Correct 0 ms 332 KB Output is correct
9 Correct 1 ms 332 KB Output is correct
10 Correct 0 ms 332 KB Output is correct
11 Correct 1 ms 332 KB Output is correct
12 Correct 0 ms 204 KB Output is correct
13 Correct 1 ms 332 KB Output is correct
14 Correct 1 ms 332 KB Output is correct
15 Correct 0 ms 332 KB Output is correct
16 Correct 0 ms 332 KB Output is correct
17 Correct 0 ms 332 KB Output is correct
18 Correct 1 ms 332 KB Output is correct
19 Incorrect 1 ms 332 KB Output isn't correct
20 Halted 0 ms 0 KB -

Subtask #3
0 / 67.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 204 KB Output is correct
2 Correct 1 ms 204 KB Output is correct
3 Correct 0 ms 204 KB Output is correct
4 Correct 0 ms 332 KB Output is correct
5 Correct 0 ms 332 KB Output is correct
6 Correct 0 ms 332 KB Output is correct
7 Correct 0 ms 332 KB Output is correct
8 Correct 0 ms 332 KB Output is correct
9 Correct 1 ms 332 KB Output is correct
10 Correct 0 ms 332 KB Output is correct
11 Correct 1 ms 332 KB Output is correct
12 Correct 0 ms 204 KB Output is correct
13 Correct 1 ms 332 KB Output is correct
14 Correct 1 ms 332 KB Output is correct
15 Correct 0 ms 332 KB Output is correct
16 Correct 0 ms 332 KB Output is correct
17 Correct 0 ms 332 KB Output is correct
18 Correct 1 ms 332 KB Output is correct
19 Incorrect 1 ms 332 KB Output isn't correct
20 Halted 0 ms 0 KB -