답안 #705553

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
705553 2023-03-04T15:47:08 Z rainboy Dango Maker (JOI18_dango_maker) C
100 / 100
190 ms 17940 KB
#include <stdio.h>
#include <string.h>

#define N	3000
#define M	3000

int min(int a, int b) { return a < b ? a : b; }
int max(int a, int b) { return a > b ? a : b; }

int ft[N];

void update(int i, int n, int x) {
	while (i < n) {
		ft[i] = max(ft[i], x);
		i |= i + 1;
	}
}

int query(int i) {
	int x = 0;

	while (i >= 0) {
		x = max(x, ft[i]);
		i &= i + 1, i--;
	}
	return x;
}

int main() {
	static char cc[N][M + 1];
	int n, m, i, j, ij, k;

	scanf("%d%d", &n, &m);
	for (i = 0; i < n; i++)
		scanf("%s", cc[i]);
	k = 0;
	for (ij = 0; ij <= (n - 1) + (m - 1); ij++) {
		memset(ft, 0, m * sizeof *ft);
		for (i = min(ij, n - 1), j = ij - i; i >= 0 && j < m; i--, j++) {
			if (j + 2 < m && cc[i][j] == 'R' && cc[i][j + 1] == 'G' && cc[i][j + 2] == 'W')
				update(j + 2, m, query(j + 1) + 1);
			if (i + 2 < n && cc[i][j] == 'R' && cc[i + 1][j] == 'G' && cc[i + 2][j] == 'W')
				update(j, m, query(j - 1) + 1);
		}
		k += query(m - 1);
	}
	printf("%d\n", k);
	return 0;
}

Compilation message

dango_maker.c: In function 'main':
dango_maker.c:33:2: warning: ignoring return value of 'scanf' declared with attribute 'warn_unused_result' [-Wunused-result]
   33 |  scanf("%d%d", &n, &m);
      |  ^~~~~~~~~~~~~~~~~~~~~
dango_maker.c:35:3: warning: ignoring return value of 'scanf' declared with attribute 'warn_unused_result' [-Wunused-result]
   35 |   scanf("%s", cc[i]);
      |   ^~~~~~~~~~~~~~~~~~
# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 0 ms 212 KB Output is correct
5 Correct 0 ms 212 KB Output is correct
6 Correct 1 ms 212 KB Output is correct
7 Correct 0 ms 212 KB Output is correct
8 Correct 0 ms 212 KB Output is correct
9 Correct 0 ms 212 KB Output is correct
10 Correct 1 ms 212 KB Output is correct
11 Correct 0 ms 212 KB Output is correct
12 Correct 0 ms 212 KB Output is correct
13 Correct 0 ms 212 KB Output is correct
14 Correct 0 ms 212 KB Output is correct
15 Correct 0 ms 212 KB Output is correct
16 Correct 0 ms 212 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 0 ms 212 KB Output is correct
5 Correct 0 ms 212 KB Output is correct
6 Correct 1 ms 212 KB Output is correct
7 Correct 0 ms 212 KB Output is correct
8 Correct 0 ms 212 KB Output is correct
9 Correct 0 ms 212 KB Output is correct
10 Correct 1 ms 212 KB Output is correct
11 Correct 0 ms 212 KB Output is correct
12 Correct 0 ms 212 KB Output is correct
13 Correct 0 ms 212 KB Output is correct
14 Correct 0 ms 212 KB Output is correct
15 Correct 0 ms 212 KB Output is correct
16 Correct 0 ms 212 KB Output is correct
17 Correct 0 ms 212 KB Output is correct
18 Correct 0 ms 212 KB Output is correct
19 Correct 0 ms 212 KB Output is correct
20 Correct 0 ms 212 KB Output is correct
21 Correct 0 ms 212 KB Output is correct
22 Correct 0 ms 212 KB Output is correct
23 Correct 1 ms 212 KB Output is correct
24 Correct 0 ms 212 KB Output is correct
25 Correct 1 ms 296 KB Output is correct
26 Correct 0 ms 212 KB Output is correct
27 Correct 0 ms 212 KB Output is correct
28 Correct 1 ms 288 KB Output is correct
29 Correct 1 ms 212 KB Output is correct
30 Correct 0 ms 292 KB Output is correct
31 Correct 1 ms 304 KB Output is correct
32 Correct 0 ms 212 KB Output is correct
33 Correct 1 ms 212 KB Output is correct
34 Correct 0 ms 212 KB Output is correct
35 Correct 0 ms 212 KB Output is correct
36 Correct 0 ms 212 KB Output is correct
37 Correct 0 ms 212 KB Output is correct
38 Correct 0 ms 212 KB Output is correct
39 Correct 1 ms 212 KB Output is correct
40 Correct 0 ms 212 KB Output is correct
41 Correct 0 ms 212 KB Output is correct
42 Correct 0 ms 212 KB Output is correct
43 Correct 0 ms 212 KB Output is correct
44 Correct 0 ms 212 KB Output is correct
45 Correct 0 ms 212 KB Output is correct
46 Correct 1 ms 212 KB Output is correct
47 Correct 1 ms 212 KB Output is correct
48 Correct 0 ms 288 KB Output is correct
49 Correct 0 ms 212 KB Output is correct
50 Correct 1 ms 212 KB Output is correct
51 Correct 1 ms 288 KB Output is correct
52 Correct 1 ms 292 KB Output is correct
53 Correct 1 ms 288 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 0 ms 212 KB Output is correct
5 Correct 0 ms 212 KB Output is correct
6 Correct 1 ms 212 KB Output is correct
7 Correct 0 ms 212 KB Output is correct
8 Correct 0 ms 212 KB Output is correct
9 Correct 0 ms 212 KB Output is correct
10 Correct 1 ms 212 KB Output is correct
11 Correct 0 ms 212 KB Output is correct
12 Correct 0 ms 212 KB Output is correct
13 Correct 0 ms 212 KB Output is correct
14 Correct 0 ms 212 KB Output is correct
15 Correct 0 ms 212 KB Output is correct
16 Correct 0 ms 212 KB Output is correct
17 Correct 0 ms 212 KB Output is correct
18 Correct 0 ms 212 KB Output is correct
19 Correct 0 ms 212 KB Output is correct
20 Correct 0 ms 212 KB Output is correct
21 Correct 0 ms 212 KB Output is correct
22 Correct 0 ms 212 KB Output is correct
23 Correct 1 ms 212 KB Output is correct
24 Correct 0 ms 212 KB Output is correct
25 Correct 1 ms 296 KB Output is correct
26 Correct 0 ms 212 KB Output is correct
27 Correct 0 ms 212 KB Output is correct
28 Correct 1 ms 288 KB Output is correct
29 Correct 1 ms 212 KB Output is correct
30 Correct 0 ms 292 KB Output is correct
31 Correct 1 ms 304 KB Output is correct
32 Correct 0 ms 212 KB Output is correct
33 Correct 1 ms 212 KB Output is correct
34 Correct 0 ms 212 KB Output is correct
35 Correct 0 ms 212 KB Output is correct
36 Correct 0 ms 212 KB Output is correct
37 Correct 0 ms 212 KB Output is correct
38 Correct 0 ms 212 KB Output is correct
39 Correct 1 ms 212 KB Output is correct
40 Correct 0 ms 212 KB Output is correct
41 Correct 0 ms 212 KB Output is correct
42 Correct 0 ms 212 KB Output is correct
43 Correct 0 ms 212 KB Output is correct
44 Correct 0 ms 212 KB Output is correct
45 Correct 0 ms 212 KB Output is correct
46 Correct 1 ms 212 KB Output is correct
47 Correct 1 ms 212 KB Output is correct
48 Correct 0 ms 288 KB Output is correct
49 Correct 0 ms 212 KB Output is correct
50 Correct 1 ms 212 KB Output is correct
51 Correct 1 ms 288 KB Output is correct
52 Correct 1 ms 292 KB Output is correct
53 Correct 1 ms 288 KB Output is correct
54 Correct 1 ms 212 KB Output is correct
55 Correct 4 ms 9000 KB Output is correct
56 Correct 1 ms 212 KB Output is correct
57 Correct 4 ms 6100 KB Output is correct
58 Correct 15 ms 4136 KB Output is correct
59 Correct 137 ms 17784 KB Output is correct
60 Correct 135 ms 17880 KB Output is correct
61 Correct 124 ms 17776 KB Output is correct
62 Correct 1 ms 212 KB Output is correct
63 Correct 124 ms 17548 KB Output is correct
64 Correct 190 ms 17780 KB Output is correct
65 Correct 150 ms 17868 KB Output is correct
66 Correct 171 ms 17876 KB Output is correct
67 Correct 104 ms 17940 KB Output is correct
68 Correct 113 ms 17876 KB Output is correct
69 Correct 114 ms 17876 KB Output is correct
70 Correct 15 ms 4160 KB Output is correct
71 Correct 15 ms 4144 KB Output is correct
72 Correct 15 ms 4128 KB Output is correct
73 Correct 15 ms 4100 KB Output is correct
74 Correct 15 ms 4144 KB Output is correct
75 Correct 18 ms 4176 KB Output is correct
76 Correct 15 ms 4180 KB Output is correct
77 Correct 14 ms 4180 KB Output is correct
78 Correct 14 ms 4184 KB Output is correct
79 Correct 15 ms 4196 KB Output is correct
80 Correct 15 ms 4148 KB Output is correct
81 Correct 14 ms 4168 KB Output is correct
82 Correct 15 ms 4176 KB Output is correct
83 Correct 16 ms 4136 KB Output is correct
84 Correct 15 ms 4160 KB Output is correct
85 Correct 15 ms 4192 KB Output is correct
86 Correct 17 ms 4184 KB Output is correct
87 Correct 14 ms 4144 KB Output is correct
88 Correct 15 ms 4208 KB Output is correct
89 Correct 15 ms 4204 KB Output is correct
90 Correct 15 ms 4144 KB Output is correct