oj.uz

Submission #208337

# Submission time Handle Problem Language Result Execution time Memory
208337 2020-03-10T19:29:10 Z opukittpceno_hhr Dango Maker (JOI18_dango_maker) C++17
100 / 100
 539 ms 44536 KB 
#include <iostream>
#include <vector>
#include <map>
#include <set>
#include <queue>
#include <algorithm>
#include <string>
#include <cmath>
#include <cstdio>
#include <iomanip>
#include <fstream>
#include <cassert>
#include <cstring>
#include <unordered_set>
#include <unordered_map>
#include <numeric>
#include <ctime>
#include <bitset>
#include <complex>
#include <random>
 
using namespace std;
 
const int N = 3001;
 
int a[N][N];
 
int read() {
	char c;
	cin >> c;
	if (c == 'R') return 0;
	if (c == 'G') return 1;
	if (c == 'W') return 2;
	assert(false);
	return -1;
}
 
int n, m;
 
int ok(int i, int j, int dir) {
	if (dir == 0) {
		if (i == 0 || i + 1 == n) return 0;
		return a[i - 1][j] == 0 && a[i][j] == 1 && a[i + 1][j] == 2;
	} else {
		if (j == 0 || j + 1 == m) return 0;
		return a[i][j - 1] == 0 && a[i][j] == 1 && a[i][j + 1] == 2;
	}
}

int dp[3];
int ndp[3];

//0 - none
//1 - up
//2 - left

void rec(int cu, int cd) {
	ndp[0] = max({dp[0], dp[1], dp[2]});
	ndp[1] = max({dp[0], dp[1]}) + cu;
	ndp[2] = max({dp[0], dp[2]}) + cd;
	for (int i = 0; i < 3; i++) {
		dp[i] = ndp[i];
		ndp[i] = 0;
	}
}

void init() {
	fill(dp, dp + 3, 0);
	fill(ndp, ndp + 3, 0);
}

signed main() {
	ios_base::sync_with_stdio(false);
	cin.tie(0);
 
	cin >> n >> m;
	for (int i = 0; i < n; i++) {
		for (int j = 0; j < m; j++) {
			a[i][j] = read();
		}
	}
	int ans = 0;
	for (int sm = 0; sm <= n + m; sm++) {
		init();
		for (int i = 0; i < n; i++) {
			int j = sm - i;
			if (j < 0 || j >= m) continue;
			rec(ok(i, j, 0), ok(i, j, 1));
		}
		ans += max({dp[0], dp[1], dp[2]});
	}
	cout << ans << endl;
}

Subtask #1
13.0 / 13.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 376 KB Output is correct
2 Correct 5 ms 376 KB Output is correct
3 Correct 5 ms 380 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 376 KB Output is correct
15 Correct 5 ms 380 KB Output is correct
16 Correct 5 ms 376 KB Output is correct

Subtask #2
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 376 KB Output is correct
2 Correct 5 ms 376 KB Output is correct
3 Correct 5 ms 380 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 376 KB Output is correct
15 Correct 5 ms 380 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 376 KB Output is correct
20 Correct 5 ms 376 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 5 ms 376 KB Output is correct
28 Correct 5 ms 376 KB Output is correct
29 Correct 5 ms 248 KB Output is correct
30 Correct 5 ms 376 KB Output is correct
31 Correct 5 ms 376 KB Output is correct
32 Correct 5 ms 376 KB Output is correct
33 Correct 4 ms 376 KB Output is correct
34 Correct 5 ms 376 KB Output is correct
35 Correct 5 ms 376 KB Output is correct
36 Correct 5 ms 376 KB Output is correct
37 Correct 5 ms 376 KB Output is correct
38 Correct 5 ms 376 KB Output is correct
39 Correct 5 ms 376 KB Output is correct
40 Correct 5 ms 376 KB Output is correct
41 Correct 5 ms 376 KB Output is correct
42 Correct 5 ms 380 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 376 KB Output is correct
46 Correct 5 ms 376 KB Output is correct
47 Correct 5 ms 376 KB Output is correct
48 Correct 5 ms 376 KB Output is correct
49 Correct 5 ms 376 KB Output is correct
50 Correct 5 ms 376 KB Output is correct
51 Correct 4 ms 376 KB Output is correct
52 Correct 5 ms 376 KB Output is correct
53 Correct 5 ms 376 KB Output is correct

Subtask #3
67.0 / 67.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 376 KB Output is correct
2 Correct 5 ms 376 KB Output is correct
3 Correct 5 ms 380 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 376 KB Output is correct
15 Correct 5 ms 380 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 376 KB Output is correct
20 Correct 5 ms 376 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 5 ms 376 KB Output is correct
28 Correct 5 ms 376 KB Output is correct
29 Correct 5 ms 248 KB Output is correct
30 Correct 5 ms 376 KB Output is correct
31 Correct 5 ms 376 KB Output is correct
32 Correct 5 ms 376 KB Output is correct
33 Correct 4 ms 376 KB Output is correct
34 Correct 5 ms 376 KB Output is correct
35 Correct 5 ms 376 KB Output is correct
36 Correct 5 ms 376 KB Output is correct
37 Correct 5 ms 376 KB Output is correct
38 Correct 5 ms 376 KB Output is correct
39 Correct 5 ms 376 KB Output is correct
40 Correct 5 ms 376 KB Output is correct
41 Correct 5 ms 376 KB Output is correct
42 Correct 5 ms 380 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 376 KB Output is correct
46 Correct 5 ms 376 KB Output is correct
47 Correct 5 ms 376 KB Output is correct
48 Correct 5 ms 376 KB Output is correct
49 Correct 5 ms 376 KB Output is correct
50 Correct 5 ms 376 KB Output is correct
51 Correct 4 ms 376 KB Output is correct
52 Correct 5 ms 376 KB Output is correct
53 Correct 5 ms 376 KB Output is correct
54 Correct 5 ms 376 KB Output is correct
55 Correct 21 ms 12408 KB Output is correct
56 Correct 5 ms 376 KB Output is correct
57 Correct 14 ms 8440 KB Output is correct
58 Correct 66 ms 9336 KB Output is correct
59 Correct 524 ms 44536 KB Output is correct
60 Correct 520 ms 44464 KB Output is correct
61 Correct 539 ms 44424 KB Output is correct
62 Correct 5 ms 376 KB Output is correct
63 Correct 500 ms 44024 KB Output is correct
64 Correct 338 ms 44536 KB Output is correct
65 Correct 329 ms 44408 KB Output is correct
66 Correct 333 ms 44428 KB Output is correct
67 Correct 327 ms 44324 KB Output is correct
68 Correct 316 ms 44408 KB Output is correct
69 Correct 330 ms 44408 KB Output is correct
70 Correct 37 ms 9208 KB Output is correct
71 Correct 43 ms 9184 KB Output is correct
72 Correct 37 ms 9208 KB Output is correct
73 Correct 40 ms 9208 KB Output is correct
74 Correct 42 ms 9328 KB Output is correct
75 Correct 38 ms 9208 KB Output is correct
76 Correct 38 ms 9208 KB Output is correct
77 Correct 45 ms 9316 KB Output is correct
78 Correct 41 ms 9208 KB Output is correct
79 Correct 37 ms 9240 KB Output is correct
80 Correct 38 ms 9208 KB Output is correct
81 Correct 38 ms 9208 KB Output is correct
82 Correct 37 ms 9208 KB Output is correct
83 Correct 37 ms 9208 KB Output is correct
84 Correct 40 ms 9208 KB Output is correct
85 Correct 38 ms 9208 KB Output is correct
86 Correct 38 ms 9208 KB Output is correct
87 Correct 31 ms 9336 KB Output is correct
88 Correct 37 ms 9208 KB Output is correct
89 Correct 37 ms 9208 KB Output is correct
90 Correct 37 ms 9208 KB Output is correct