oj.uz

Submission #545927

# Submission time Handle Problem Language Result Execution time Memory
545927 2022-04-05T16:11:41 Z rainboy Cubeword (CEOI19_cubeword) C
100 / 100
 255 ms 10928 KB 
#include <ctype.h>
#include <stdio.h>
#include <string.h>

#define N	100000
#define A	62
#define L	8
#define MD	998244353

unsigned int X = 12345;

int rand_() {
	return (X *= 3) >> 1;
}

char *ss[N * 2];

void sort(char **ss, int l, int r) {
	while (l < r) {
		int i = l, j = l, k = r;
		char *s = ss[l + rand_() % (r - l)], *tmp;

		while (j < k) {
			int c = strcmp(ss[j], s);

			if (c == 0)
				j++;
			else if (c < 0) {
				tmp = ss[i], ss[i] = ss[j], ss[j] = tmp;
				i++, j++;
			} else {
				k--;
				tmp = ss[j], ss[j] = ss[k], ss[k] = tmp;
			}
		}
		sort(ss, l, i);
		l = k;
	}
}

int idx(char c) {
	return isdigit(c) ? c - '0' : (isupper(c) ? c - 'A' + 10 : c - 'a' + 36);
}

int count(int a, int b, int c, int d) {
	if (a == b && b == c && c == d)
		return 1;
	else if (a == b && b == c || b == c && c == d || c == d && d == a || d == a && a == b)
		return 4;
	else if (a == b && c == d || a == c && b == d || a == d && b == c)
		return 6;
	else if (a == b || a == c || a == d || b == c || b == d || c == d)
		return 12;
	else
		return 24;
}

int main() {
	static int kk[L][A][A];
	static long long kk_[A][A][A];
	int n, i, l, a, b, c, d;
	long long ans;

	scanf("%d", &n);
	for (i = 0; i < n; i++) {
		static char s[16], t[16];
		int h;

		scanf("%s", s), l = strlen(s);
		for (h = 0; h < l; h++)
			t[h] = s[l - 1 - h];
		t[l] = 0;
		ss[i << 1 | 0] = strdup(s), ss[i << 1 | 1] = strdup(t);
	}
	sort(ss, 0, n * 2);
	for (i = 0; i < n * 2; i++)
		if (i == 0 || strcmp(ss[i - 1], ss[i]) != 0) {
			l = strlen(ss[i]);
			kk[l - 3][idx(ss[i][0])][idx(ss[i][l - 1])]++;
		}
	ans = 0;
	for (l = 0; l < L; l++) {
		for (a = 0; a < A; a++)
			for (b = a; b < A; b++)
				for (c = b; c < A; c++) {
					long long k;

					k = 0;
					for (d = 0; d < A; d++)
						k += (long long) kk[l][a][d] * kk[l][b][d] * kk[l][c][d];
					kk_[a][b][c] = kk_[a][c][b] = kk_[b][a][c] = kk_[b][c][a] = kk_[c][a][b] = kk_[c][b][a] = k % MD;
				}
		for (a = 0; a < A; a++)
			for (b = a; b < A; b++)
				for (c = b; c < A; c++)
					for (d = c; d < A; d++)
						ans += (long long) kk_[a][b][c] * kk_[b][c][d] % MD * kk_[c][d][a] % MD * kk_[d][a][b] % MD * count(a, b, c, d);
		ans %= MD;
	}
	printf("%lld\n", ans);
	return 0;
}

Compilation message

cubeword.c: In function 'count':
cubeword.c:48:18: warning: suggest parentheses around '&&' within '||' [-Wparentheses]
   48 |  else if (a == b && b == c || b == c && c == d || c == d && d == a || d == a && a == b)
      |           ~~~~~~~^~~~~~~~~
cubeword.c:48:58: warning: suggest parentheses around '&&' within '||' [-Wparentheses]
   48 |  else if (a == b && b == c || b == c && c == d || c == d && d == a || d == a && a == b)
      |                                                   ~~~~~~~^~~~~~~~~
cubeword.c:48:78: warning: suggest parentheses around '&&' within '||' [-Wparentheses]
   48 |  else if (a == b && b == c || b == c && c == d || c == d && d == a || d == a && a == b)
      |                                                                       ~~~~~~~^~~~~~~~~
cubeword.c:50:18: warning: suggest parentheses around '&&' within '||' [-Wparentheses]
   50 |  else if (a == b && c == d || a == c && b == d || a == d && b == c)
      |           ~~~~~~~^~~~~~~~~
cubeword.c:50:58: warning: suggest parentheses around '&&' within '||' [-Wparentheses]
   50 |  else if (a == b && c == d || a == c && b == d || a == d && b == c)
      |                                                   ~~~~~~~^~~~~~~~~
cubeword.c: In function 'main':
cubeword.c:64:2: warning: ignoring return value of 'scanf' declared with attribute 'warn_unused_result' [-Wunused-result]
   64 |  scanf("%d", &n);
      |  ^~~~~~~~~~~~~~~
cubeword.c:69:3: warning: ignoring return value of 'scanf' declared with attribute 'warn_unused_result' [-Wunused-result]
   69 |   scanf("%s", s), l = strlen(s);
      |   ^~~~~~~~~~~~~~

Subtask #1
21.0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 217 ms 10872 KB Output is correct
2 Correct 171 ms 10852 KB Output is correct
3 Correct 171 ms 10752 KB Output is correct
4 Correct 193 ms 10872 KB Output is correct
5 Correct 181 ms 10868 KB Output is correct
6 Correct 246 ms 10832 KB Output is correct
7 Correct 196 ms 10748 KB Output is correct
8 Correct 188 ms 10868 KB Output is correct
9 Correct 174 ms 10868 KB Output is correct
10 Correct 169 ms 10864 KB Output is correct
11 Correct 173 ms 10752 KB Output is correct
12 Correct 178 ms 10864 KB Output is correct
13 Correct 173 ms 10864 KB Output is correct
14 Correct 205 ms 10872 KB Output is correct
15 Correct 224 ms 10908 KB Output is correct
16 Correct 244 ms 10864 KB Output is correct
17 Correct 245 ms 10760 KB Output is correct
18 Correct 208 ms 10752 KB Output is correct
19 Correct 217 ms 10828 KB Output is correct
20 Correct 203 ms 10796 KB Output is correct
21 Correct 234 ms 10860 KB Output is correct

Subtask #2
29.0 / 29.0

# Verdict Execution time Memory Grader output
1 Correct 217 ms 10872 KB Output is correct
2 Correct 171 ms 10852 KB Output is correct
3 Correct 171 ms 10752 KB Output is correct
4 Correct 193 ms 10872 KB Output is correct
5 Correct 181 ms 10868 KB Output is correct
6 Correct 246 ms 10832 KB Output is correct
7 Correct 196 ms 10748 KB Output is correct
8 Correct 188 ms 10868 KB Output is correct
9 Correct 174 ms 10868 KB Output is correct
10 Correct 169 ms 10864 KB Output is correct
11 Correct 173 ms 10752 KB Output is correct
12 Correct 178 ms 10864 KB Output is correct
13 Correct 173 ms 10864 KB Output is correct
14 Correct 205 ms 10872 KB Output is correct
15 Correct 224 ms 10908 KB Output is correct
16 Correct 244 ms 10864 KB Output is correct
17 Correct 245 ms 10760 KB Output is correct
18 Correct 208 ms 10752 KB Output is correct
19 Correct 217 ms 10828 KB Output is correct
20 Correct 203 ms 10796 KB Output is correct
21 Correct 234 ms 10860 KB Output is correct
22 Correct 230 ms 10796 KB Output is correct
23 Correct 220 ms 10792 KB Output is correct
24 Correct 219 ms 10708 KB Output is correct
25 Correct 204 ms 10796 KB Output is correct
26 Correct 219 ms 10796 KB Output is correct
27 Correct 238 ms 10796 KB Output is correct
28 Correct 234 ms 10792 KB Output is correct
29 Correct 210 ms 10792 KB Output is correct
30 Correct 255 ms 10788 KB Output is correct
31 Correct 201 ms 10724 KB Output is correct
32 Correct 213 ms 10800 KB Output is correct
33 Correct 224 ms 10792 KB Output is correct
34 Correct 212 ms 10800 KB Output is correct
35 Correct 229 ms 10800 KB Output is correct
36 Correct 200 ms 10748 KB Output is correct
37 Correct 215 ms 10836 KB Output is correct
38 Correct 194 ms 10788 KB Output is correct
39 Correct 194 ms 10788 KB Output is correct
40 Correct 233 ms 10788 KB Output is correct
41 Correct 237 ms 10732 KB Output is correct
42 Correct 198 ms 10784 KB Output is correct

Subtask #3
34.0 / 34.0

# Verdict Execution time Memory Grader output
1 Correct 217 ms 10872 KB Output is correct
2 Correct 171 ms 10852 KB Output is correct
3 Correct 171 ms 10752 KB Output is correct
4 Correct 193 ms 10872 KB Output is correct
5 Correct 181 ms 10868 KB Output is correct
6 Correct 246 ms 10832 KB Output is correct
7 Correct 196 ms 10748 KB Output is correct
8 Correct 188 ms 10868 KB Output is correct
9 Correct 174 ms 10868 KB Output is correct
10 Correct 169 ms 10864 KB Output is correct
11 Correct 173 ms 10752 KB Output is correct
12 Correct 178 ms 10864 KB Output is correct
13 Correct 173 ms 10864 KB Output is correct
14 Correct 205 ms 10872 KB Output is correct
15 Correct 224 ms 10908 KB Output is correct
16 Correct 244 ms 10864 KB Output is correct
17 Correct 245 ms 10760 KB Output is correct
18 Correct 208 ms 10752 KB Output is correct
19 Correct 217 ms 10828 KB Output is correct
20 Correct 203 ms 10796 KB Output is correct
21 Correct 234 ms 10860 KB Output is correct
22 Correct 230 ms 10796 KB Output is correct
23 Correct 220 ms 10792 KB Output is correct
24 Correct 219 ms 10708 KB Output is correct
25 Correct 204 ms 10796 KB Output is correct
26 Correct 219 ms 10796 KB Output is correct
27 Correct 238 ms 10796 KB Output is correct
28 Correct 234 ms 10792 KB Output is correct
29 Correct 210 ms 10792 KB Output is correct
30 Correct 255 ms 10788 KB Output is correct
31 Correct 201 ms 10724 KB Output is correct
32 Correct 213 ms 10800 KB Output is correct
33 Correct 224 ms 10792 KB Output is correct
34 Correct 212 ms 10800 KB Output is correct
35 Correct 229 ms 10800 KB Output is correct
36 Correct 200 ms 10748 KB Output is correct
37 Correct 215 ms 10836 KB Output is correct
38 Correct 194 ms 10788 KB Output is correct
39 Correct 194 ms 10788 KB Output is correct
40 Correct 233 ms 10788 KB Output is correct
41 Correct 237 ms 10732 KB Output is correct
42 Correct 198 ms 10784 KB Output is correct
43 Correct 246 ms 10760 KB Output is correct
44 Correct 209 ms 10800 KB Output is correct
45 Correct 233 ms 10816 KB Output is correct
46 Correct 212 ms 10824 KB Output is correct
47 Correct 195 ms 10808 KB Output is correct
48 Correct 242 ms 10820 KB Output is correct
49 Correct 234 ms 10828 KB Output is correct
50 Correct 194 ms 10768 KB Output is correct
51 Correct 190 ms 10812 KB Output is correct
52 Correct 218 ms 10816 KB Output is correct
53 Correct 193 ms 10816 KB Output is correct
54 Correct 211 ms 10812 KB Output is correct
55 Correct 231 ms 10816 KB Output is correct
56 Correct 225 ms 10812 KB Output is correct
57 Correct 212 ms 10808 KB Output is correct
58 Correct 191 ms 10712 KB Output is correct
59 Correct 215 ms 10756 KB Output is correct
60 Correct 208 ms 10716 KB Output is correct
61 Correct 192 ms 10748 KB Output is correct
62 Correct 191 ms 10756 KB Output is correct
63 Correct 189 ms 10756 KB Output is correct

Subtask #4
16.0 / 16.0

# Verdict Execution time Memory Grader output
1 Correct 217 ms 10872 KB Output is correct
2 Correct 171 ms 10852 KB Output is correct
3 Correct 171 ms 10752 KB Output is correct
4 Correct 193 ms 10872 KB Output is correct
5 Correct 181 ms 10868 KB Output is correct
6 Correct 246 ms 10832 KB Output is correct
7 Correct 196 ms 10748 KB Output is correct
8 Correct 188 ms 10868 KB Output is correct
9 Correct 174 ms 10868 KB Output is correct
10 Correct 169 ms 10864 KB Output is correct
11 Correct 173 ms 10752 KB Output is correct
12 Correct 178 ms 10864 KB Output is correct
13 Correct 173 ms 10864 KB Output is correct
14 Correct 205 ms 10872 KB Output is correct
15 Correct 224 ms 10908 KB Output is correct
16 Correct 244 ms 10864 KB Output is correct
17 Correct 245 ms 10760 KB Output is correct
18 Correct 208 ms 10752 KB Output is correct
19 Correct 217 ms 10828 KB Output is correct
20 Correct 203 ms 10796 KB Output is correct
21 Correct 234 ms 10860 KB Output is correct
22 Correct 230 ms 10796 KB Output is correct
23 Correct 220 ms 10792 KB Output is correct
24 Correct 219 ms 10708 KB Output is correct
25 Correct 204 ms 10796 KB Output is correct
26 Correct 219 ms 10796 KB Output is correct
27 Correct 238 ms 10796 KB Output is correct
28 Correct 234 ms 10792 KB Output is correct
29 Correct 210 ms 10792 KB Output is correct
30 Correct 255 ms 10788 KB Output is correct
31 Correct 201 ms 10724 KB Output is correct
32 Correct 213 ms 10800 KB Output is correct
33 Correct 224 ms 10792 KB Output is correct
34 Correct 212 ms 10800 KB Output is correct
35 Correct 229 ms 10800 KB Output is correct
36 Correct 200 ms 10748 KB Output is correct
37 Correct 215 ms 10836 KB Output is correct
38 Correct 194 ms 10788 KB Output is correct
39 Correct 194 ms 10788 KB Output is correct
40 Correct 233 ms 10788 KB Output is correct
41 Correct 237 ms 10732 KB Output is correct
42 Correct 198 ms 10784 KB Output is correct
43 Correct 246 ms 10760 KB Output is correct
44 Correct 209 ms 10800 KB Output is correct
45 Correct 233 ms 10816 KB Output is correct
46 Correct 212 ms 10824 KB Output is correct
47 Correct 195 ms 10808 KB Output is correct
48 Correct 242 ms 10820 KB Output is correct
49 Correct 234 ms 10828 KB Output is correct
50 Correct 194 ms 10768 KB Output is correct
51 Correct 190 ms 10812 KB Output is correct
52 Correct 218 ms 10816 KB Output is correct
53 Correct 193 ms 10816 KB Output is correct
54 Correct 211 ms 10812 KB Output is correct
55 Correct 231 ms 10816 KB Output is correct
56 Correct 225 ms 10812 KB Output is correct
57 Correct 212 ms 10808 KB Output is correct
58 Correct 191 ms 10712 KB Output is correct
59 Correct 215 ms 10756 KB Output is correct
60 Correct 208 ms 10716 KB Output is correct
61 Correct 192 ms 10748 KB Output is correct
62 Correct 191 ms 10756 KB Output is correct
63 Correct 189 ms 10756 KB Output is correct
64 Correct 212 ms 10816 KB Output is correct
65 Correct 216 ms 10812 KB Output is correct
66 Correct 240 ms 10812 KB Output is correct
67 Correct 201 ms 10820 KB Output is correct
68 Correct 207 ms 10752 KB Output is correct
69 Correct 193 ms 10756 KB Output is correct
70 Correct 190 ms 10808 KB Output is correct
71 Correct 214 ms 10928 KB Output is correct
72 Correct 234 ms 10776 KB Output is correct
73 Correct 194 ms 10812 KB Output is correct
74 Correct 209 ms 10752 KB Output is correct
75 Correct 218 ms 10820 KB Output is correct
76 Correct 194 ms 10816 KB Output is correct
77 Correct 213 ms 10812 KB Output is correct
78 Correct 224 ms 10812 KB Output is correct
79 Correct 211 ms 10808 KB Output is correct
80 Correct 197 ms 10752 KB Output is correct
81 Correct 245 ms 10808 KB Output is correct
82 Correct 206 ms 10816 KB Output is correct
83 Correct 214 ms 10812 KB Output is correct
84 Correct 196 ms 10748 KB Output is correct