oj.uz

Submission #680137

# Submission time Handle Problem Language Result Execution time Memory
680137 2023-01-10T02:10:33 Z Duy_e Dango Maker (JOI18_dango_maker) C++14
13 / 100
 1 ms 340 KB 
#include <bits/stdc++.h>
#define ll long long
#define pii pair<ll, ll>
#define st first
#define nd second
#define file "test"
#define rep(i, begin, end) for (ll i = (begin); i <= (end); i ++)
#define rrep(i, begin, end) for (ll i = (begin); i >= (end); i --)
using namespace std;
const long long INF = 1e18;
const long long N = 2e5 + 5;

ll dp[N][3], n, m, ans;
char a[3005][3005];

bool check(char a, char b, char c) {
    return a == 'R' && b == 'G' && c == 'W';
}

int main()
{
    ios_base::sync_with_stdio(0); cin.tie(0); cout.tie(0);
    #ifndef ONLINE_JUDGE
        //freopen(file".inp", "r", stdin); freopen(file".out", "w", stdout);
    #endif
    
    cin >> n >> m;
    rep(i, 1, n) rep(j, 1, m) cin >> a[i][j];

    rep(s, 2, n + m) {
        
        ll res = 0;
        rep(j, 1, m) dp[j][1] = dp[j][2] = 0;

        rep(j, 1, m) {
            int i = s - j;
            // dp[j][0] = dp[j][1] = dp[j][2] = 0;
            dp[j][1] = dp[j - 1][1];
            dp[j][2] = dp[j - 1][2];
            if (i < 1 || i > n) continue;

            // 0: nothing
            // 1: vertical
            // 2: horizontal
            // if (s == 4) cout << i << ' ' << j << '\n';


            if (i > 2 && check(a[i - 2][j], a[i - 1][j], a[i][j]))
                dp[j][1] = max(dp[j][1], max(dp[j - 1][1], j > 3 ? dp[j - 3][2] : 0) + 1);
            
            if (j > 2 && check(a[i][j - 2], a[i][j - 1], a[i][j]))
                dp[j][2] = max(dp[j][2], max(dp[j - 1][2], j > 3 ? dp[j - 3][1] : 0) + 1);
        
            res = max(res, max(dp[j][1], dp[j][2]));
        }

        // cout << s << ": " << res << '\n';

        ans += res;
    }

    cout << ans << '\n';

    return 0;
}    
/**  /\_/\
*   (= ._.)
*   / >🍵 \>🍮
**/

Compilation message

dango_maker.cpp:66:9: warning: "/*" within comment [-Wcomment]
   66 | /**  /\_/\
      |

Subtask #1
13.0 / 13.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 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 0 ms 340 KB Output is correct
6 Correct 1 ms 340 KB Output is correct
7 Correct 0 ms 340 KB Output is correct
8 Correct 0 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 0 ms 340 KB Output is correct
16 Correct 0 ms 340 KB Output is correct

Subtask #2
0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 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 0 ms 340 KB Output is correct
6 Correct 1 ms 340 KB Output is correct
7 Correct 0 ms 340 KB Output is correct
8 Correct 0 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 0 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 0 ms 340 KB Output is correct
19 Correct 0 ms 340 KB Output is correct
20 Correct 1 ms 340 KB Output is correct
21 Correct 1 ms 340 KB Output is correct
22 Incorrect 1 ms 340 KB Output isn't correct
23 Halted 0 ms 0 KB -

Subtask #3
0 / 67.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 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 0 ms 340 KB Output is correct
6 Correct 1 ms 340 KB Output is correct
7 Correct 0 ms 340 KB Output is correct
8 Correct 0 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 0 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 0 ms 340 KB Output is correct
19 Correct 0 ms 340 KB Output is correct
20 Correct 1 ms 340 KB Output is correct
21 Correct 1 ms 340 KB Output is correct
22 Incorrect 1 ms 340 KB Output isn't correct
23 Halted 0 ms 0 KB -