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Submission #823177

# Submission time Handle Problem Language Result Execution time Memory
823177 2023-08-12T08:51:33 Z rainboy Binaria (CCO23_day1problem1) C
25 / 25
 103 ms 15916 KB 
#include <stdio.h>

#define N	1000000
#define MD	1000003

int vv[N + 1], ff[N + 1], gg[N + 1];

void init() {
	int i;

	ff[0] = gg[0] = 1;
	for (i = 1; i <= N; i++) {
		vv[i] = i == 1 ? 1 : (long long) vv[i - MD % i] * (MD / i + 1) % MD;
		ff[i] = (long long) ff[i - 1] * i % MD;
		gg[i] = (long long) gg[i - 1] * vv[i] % MD;
	}
}

int choose(int n, int k) {
	return k < 0 || k > n ? 0 : (long long) ff[n] * gg[k] % MD * gg[n - k] % MD;
}

int main() {
	static int kk[N];
	int n, k, i, r, a, k1, k01;

	init();
	scanf("%d%d", &n, &k);
	for (i = 0; i + k <= n; i++)
		scanf("%d", &kk[i]);
	k01 = k1 = 0;
	for (r = 0; r < k; r++) {
		a = -1;
		for (i = r; i + k < n; i += k)
			if (kk[i + 1] != kk[i]) {
				if (kk[i + 1] - kk[i] == 1)
					a = 0;
				else if (kk[i + 1] - kk[i] == -1)
					a = 1;
				else
					a = -2;
				break;
			}
		if (a == -2) {
			printf("0\n");
			return 0;
		}
		if (a == -1) {
			k01++;
			continue;
		}
		if (a == 1)
			k1++;
		for (i = r; i + k < n; i += k) {
			a += kk[i + 1] - kk[i];
			if (a != 0 && a != 1) {
				printf("0\n");
				return 0;
			}
		}
	}
	printf("%d\n", choose(k01, kk[0] - k1));
	return 0;
}

Compilation message

Main.c: In function 'main':
Main.c:28:2: warning: ignoring return value of 'scanf' declared with attribute 'warn_unused_result' [-Wunused-result]
   28 |  scanf("%d%d", &n, &k);
      |  ^~~~~~~~~~~~~~~~~~~~~
Main.c:30:3: warning: ignoring return value of 'scanf' declared with attribute 'warn_unused_result' [-Wunused-result]
   30 |   scanf("%d", &kk[i]);
      |   ^~~~~~~~~~~~~~~~~~~

Subtask #1
3.0 / 3.0

# Verdict Execution time Memory Grader output
1 Correct 10 ms 11940 KB Output is correct
2 Correct 10 ms 11988 KB Output is correct
3 Correct 10 ms 11988 KB Output is correct
4 Correct 11 ms 11988 KB Output is correct
5 Correct 11 ms 11996 KB Output is correct
6 Correct 13 ms 11940 KB Output is correct
7 Correct 11 ms 11988 KB Output is correct
8 Correct 10 ms 11988 KB Output is correct
9 Correct 11 ms 11988 KB Output is correct
10 Correct 10 ms 11988 KB Output is correct
11 Correct 11 ms 11988 KB Output is correct
12 Correct 10 ms 11988 KB Output is correct

Subtask #2
3.0 / 3.0

# Verdict Execution time Memory Grader output
1 Correct 10 ms 11940 KB Output is correct
2 Correct 10 ms 11988 KB Output is correct
3 Correct 10 ms 11988 KB Output is correct
4 Correct 11 ms 11988 KB Output is correct
5 Correct 11 ms 11996 KB Output is correct
6 Correct 13 ms 11940 KB Output is correct
7 Correct 11 ms 11988 KB Output is correct
8 Correct 10 ms 11988 KB Output is correct
9 Correct 11 ms 11988 KB Output is correct
10 Correct 10 ms 11988 KB Output is correct
11 Correct 11 ms 11988 KB Output is correct
12 Correct 10 ms 11988 KB Output is correct
13 Correct 10 ms 11988 KB Output is correct
14 Correct 10 ms 11988 KB Output is correct
15 Correct 11 ms 11940 KB Output is correct
16 Correct 10 ms 11912 KB Output is correct
17 Correct 10 ms 11988 KB Output is correct
18 Correct 11 ms 11988 KB Output is correct
19 Correct 10 ms 11988 KB Output is correct
20 Correct 10 ms 11980 KB Output is correct
21 Correct 13 ms 11972 KB Output is correct

Subtask #3
4.0 / 4.0

# Verdict Execution time Memory Grader output
1 Correct 10 ms 11940 KB Output is correct
2 Correct 10 ms 11988 KB Output is correct
3 Correct 10 ms 11988 KB Output is correct
4 Correct 11 ms 11988 KB Output is correct
5 Correct 11 ms 11996 KB Output is correct
6 Correct 13 ms 11940 KB Output is correct
7 Correct 11 ms 11988 KB Output is correct
8 Correct 10 ms 11988 KB Output is correct
9 Correct 11 ms 11988 KB Output is correct
10 Correct 10 ms 11988 KB Output is correct
11 Correct 11 ms 11988 KB Output is correct
12 Correct 10 ms 11988 KB Output is correct
13 Correct 10 ms 11988 KB Output is correct
14 Correct 10 ms 11988 KB Output is correct
15 Correct 11 ms 11940 KB Output is correct
16 Correct 10 ms 11912 KB Output is correct
17 Correct 10 ms 11988 KB Output is correct
18 Correct 11 ms 11988 KB Output is correct
19 Correct 10 ms 11988 KB Output is correct
20 Correct 10 ms 11980 KB Output is correct
21 Correct 13 ms 11972 KB Output is correct
22 Correct 11 ms 12020 KB Output is correct
23 Correct 10 ms 11988 KB Output is correct
24 Correct 11 ms 11928 KB Output is correct
25 Correct 10 ms 11936 KB Output is correct
26 Correct 10 ms 12000 KB Output is correct
27 Correct 11 ms 11944 KB Output is correct
28 Correct 10 ms 11988 KB Output is correct
29 Correct 11 ms 12020 KB Output is correct
30 Correct 12 ms 11988 KB Output is correct
31 Correct 10 ms 11988 KB Output is correct
32 Correct 10 ms 11920 KB Output is correct
33 Correct 10 ms 12028 KB Output is correct
34 Correct 11 ms 11944 KB Output is correct

Subtask #4
4.0 / 4.0

# Verdict Execution time Memory Grader output
1 Correct 10 ms 11940 KB Output is correct
2 Correct 10 ms 11988 KB Output is correct
3 Correct 10 ms 11988 KB Output is correct
4 Correct 11 ms 11988 KB Output is correct
5 Correct 11 ms 11996 KB Output is correct
6 Correct 13 ms 11940 KB Output is correct
7 Correct 11 ms 11988 KB Output is correct
8 Correct 10 ms 11988 KB Output is correct
9 Correct 11 ms 11988 KB Output is correct
10 Correct 10 ms 11988 KB Output is correct
11 Correct 11 ms 11988 KB Output is correct
12 Correct 10 ms 11988 KB Output is correct
13 Correct 10 ms 11988 KB Output is correct
14 Correct 10 ms 11988 KB Output is correct
15 Correct 11 ms 11940 KB Output is correct
16 Correct 10 ms 11912 KB Output is correct
17 Correct 10 ms 11988 KB Output is correct
18 Correct 11 ms 11988 KB Output is correct
19 Correct 10 ms 11988 KB Output is correct
20 Correct 10 ms 11980 KB Output is correct
21 Correct 13 ms 11972 KB Output is correct
22 Correct 11 ms 12020 KB Output is correct
23 Correct 10 ms 11988 KB Output is correct
24 Correct 11 ms 11928 KB Output is correct
25 Correct 10 ms 11936 KB Output is correct
26 Correct 10 ms 12000 KB Output is correct
27 Correct 11 ms 11944 KB Output is correct
28 Correct 10 ms 11988 KB Output is correct
29 Correct 11 ms 12020 KB Output is correct
30 Correct 12 ms 11988 KB Output is correct
31 Correct 10 ms 11988 KB Output is correct
32 Correct 10 ms 11920 KB Output is correct
33 Correct 10 ms 12028 KB Output is correct
34 Correct 11 ms 11944 KB Output is correct
35 Correct 68 ms 15832 KB Output is correct
36 Correct 73 ms 15824 KB Output is correct
37 Correct 73 ms 15900 KB Output is correct
38 Correct 74 ms 15876 KB Output is correct
39 Correct 68 ms 15916 KB Output is correct
40 Correct 74 ms 15808 KB Output is correct
41 Correct 74 ms 15820 KB Output is correct
42 Correct 75 ms 15876 KB Output is correct
43 Correct 71 ms 15820 KB Output is correct
44 Correct 68 ms 15896 KB Output is correct
45 Correct 77 ms 15812 KB Output is correct
46 Correct 67 ms 15900 KB Output is correct
47 Correct 68 ms 15896 KB Output is correct
48 Correct 72 ms 15876 KB Output is correct
49 Correct 73 ms 15900 KB Output is correct

Subtask #5
4.0 / 4.0

# Verdict Execution time Memory Grader output
1 Correct 10 ms 11940 KB Output is correct
2 Correct 10 ms 11988 KB Output is correct
3 Correct 10 ms 11988 KB Output is correct
4 Correct 11 ms 11988 KB Output is correct
5 Correct 11 ms 11996 KB Output is correct
6 Correct 13 ms 11940 KB Output is correct
7 Correct 11 ms 11988 KB Output is correct
8 Correct 10 ms 11988 KB Output is correct
9 Correct 11 ms 11988 KB Output is correct
10 Correct 10 ms 11988 KB Output is correct
11 Correct 11 ms 11988 KB Output is correct
12 Correct 10 ms 11988 KB Output is correct
13 Correct 10 ms 11988 KB Output is correct
14 Correct 10 ms 11988 KB Output is correct
15 Correct 11 ms 11940 KB Output is correct
16 Correct 10 ms 11912 KB Output is correct
17 Correct 10 ms 11988 KB Output is correct
18 Correct 11 ms 11988 KB Output is correct
19 Correct 10 ms 11988 KB Output is correct
20 Correct 10 ms 11980 KB Output is correct
21 Correct 13 ms 11972 KB Output is correct
22 Correct 11 ms 12020 KB Output is correct
23 Correct 10 ms 11988 KB Output is correct
24 Correct 11 ms 11928 KB Output is correct
25 Correct 10 ms 11936 KB Output is correct
26 Correct 10 ms 12000 KB Output is correct
27 Correct 11 ms 11944 KB Output is correct
28 Correct 10 ms 11988 KB Output is correct
29 Correct 11 ms 12020 KB Output is correct
30 Correct 12 ms 11988 KB Output is correct
31 Correct 10 ms 11988 KB Output is correct
32 Correct 10 ms 11920 KB Output is correct
33 Correct 10 ms 12028 KB Output is correct
34 Correct 11 ms 11944 KB Output is correct
35 Correct 68 ms 15832 KB Output is correct
36 Correct 73 ms 15824 KB Output is correct
37 Correct 73 ms 15900 KB Output is correct
38 Correct 74 ms 15876 KB Output is correct
39 Correct 68 ms 15916 KB Output is correct
40 Correct 74 ms 15808 KB Output is correct
41 Correct 74 ms 15820 KB Output is correct
42 Correct 75 ms 15876 KB Output is correct
43 Correct 71 ms 15820 KB Output is correct
44 Correct 68 ms 15896 KB Output is correct
45 Correct 77 ms 15812 KB Output is correct
46 Correct 67 ms 15900 KB Output is correct
47 Correct 68 ms 15896 KB Output is correct
48 Correct 72 ms 15876 KB Output is correct
49 Correct 73 ms 15900 KB Output is correct
50 Correct 79 ms 15896 KB Output is correct
51 Correct 103 ms 15824 KB Output is correct
52 Correct 80 ms 15836 KB Output is correct
53 Correct 87 ms 15888 KB Output is correct
54 Correct 87 ms 15896 KB Output is correct
55 Correct 82 ms 15876 KB Output is correct
56 Correct 80 ms 15900 KB Output is correct
57 Correct 74 ms 15876 KB Output is correct
58 Correct 102 ms 15868 KB Output is correct
59 Correct 79 ms 15792 KB Output is correct
60 Correct 75 ms 15824 KB Output is correct

Subtask #6
7.0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 10 ms 11940 KB Output is correct
2 Correct 10 ms 11988 KB Output is correct
3 Correct 10 ms 11988 KB Output is correct
4 Correct 11 ms 11988 KB Output is correct
5 Correct 11 ms 11996 KB Output is correct
6 Correct 13 ms 11940 KB Output is correct
7 Correct 11 ms 11988 KB Output is correct
8 Correct 10 ms 11988 KB Output is correct
9 Correct 11 ms 11988 KB Output is correct
10 Correct 10 ms 11988 KB Output is correct
11 Correct 11 ms 11988 KB Output is correct
12 Correct 10 ms 11988 KB Output is correct
13 Correct 10 ms 11988 KB Output is correct
14 Correct 10 ms 11988 KB Output is correct
15 Correct 11 ms 11940 KB Output is correct
16 Correct 10 ms 11912 KB Output is correct
17 Correct 10 ms 11988 KB Output is correct
18 Correct 11 ms 11988 KB Output is correct
19 Correct 10 ms 11988 KB Output is correct
20 Correct 10 ms 11980 KB Output is correct
21 Correct 13 ms 11972 KB Output is correct
22 Correct 11 ms 12020 KB Output is correct
23 Correct 10 ms 11988 KB Output is correct
24 Correct 11 ms 11928 KB Output is correct
25 Correct 10 ms 11936 KB Output is correct
26 Correct 10 ms 12000 KB Output is correct
27 Correct 11 ms 11944 KB Output is correct
28 Correct 10 ms 11988 KB Output is correct
29 Correct 11 ms 12020 KB Output is correct
30 Correct 12 ms 11988 KB Output is correct
31 Correct 10 ms 11988 KB Output is correct
32 Correct 10 ms 11920 KB Output is correct
33 Correct 10 ms 12028 KB Output is correct
34 Correct 11 ms 11944 KB Output is correct
35 Correct 68 ms 15832 KB Output is correct
36 Correct 73 ms 15824 KB Output is correct
37 Correct 73 ms 15900 KB Output is correct
38 Correct 74 ms 15876 KB Output is correct
39 Correct 68 ms 15916 KB Output is correct
40 Correct 74 ms 15808 KB Output is correct
41 Correct 74 ms 15820 KB Output is correct
42 Correct 75 ms 15876 KB Output is correct
43 Correct 71 ms 15820 KB Output is correct
44 Correct 68 ms 15896 KB Output is correct
45 Correct 77 ms 15812 KB Output is correct
46 Correct 67 ms 15900 KB Output is correct
47 Correct 68 ms 15896 KB Output is correct
48 Correct 72 ms 15876 KB Output is correct
49 Correct 73 ms 15900 KB Output is correct
50 Correct 79 ms 15896 KB Output is correct
51 Correct 103 ms 15824 KB Output is correct
52 Correct 80 ms 15836 KB Output is correct
53 Correct 87 ms 15888 KB Output is correct
54 Correct 87 ms 15896 KB Output is correct
55 Correct 82 ms 15876 KB Output is correct
56 Correct 80 ms 15900 KB Output is correct
57 Correct 74 ms 15876 KB Output is correct
58 Correct 102 ms 15868 KB Output is correct
59 Correct 79 ms 15792 KB Output is correct
60 Correct 75 ms 15824 KB Output is correct
61 Correct 12 ms 11960 KB Output is correct
62 Correct 11 ms 12024 KB Output is correct
63 Correct 12 ms 12156 KB Output is correct
64 Correct 12 ms 11988 KB Output is correct
65 Correct 48 ms 13908 KB Output is correct
66 Correct 38 ms 13376 KB Output is correct
67 Correct 74 ms 15080 KB Output is correct
68 Correct 18 ms 12364 KB Output is correct
69 Correct 12 ms 11908 KB Output is correct
70 Correct 12 ms 11948 KB Output is correct
71 Correct 11 ms 11988 KB Output is correct