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Submission #469971

# Submission time Handle Problem Language Result Execution time Memory
469971 2021-09-02T13:09:28 Z rainboy Lozinke (COCI17_lozinke) C
100 / 100
 27 ms 8128 KB 
#include <stdio.h>
#include <string.h>

#define N	20000
#define L	10
#define N_	(2 + N * L)
#define A	26

int main() {
	static char ss[N][L + 1], used[N_];
	static int ll[N], tt[N_][A], kk[N_];
	int n, n_, h, h_, i, t, ans;

	scanf("%d", &n);
	n_ = 2;
	for (i = 0; i < n; i++) {
		scanf("%s", ss[i]), ll[i] = strlen(ss[i]);
		for (h = 0, t = 1; h < ll[i]; h++) {
			int a = ss[i][h] - 'a';

			if (!tt[t][a])
				tt[t][a] = n_++;
			t = tt[t][a];
		}
		kk[t]++;
	}
	ans = 0;
	for (i = 0; i < n; i++) {
		for (h = 0; h < ll[i]; h++)
			for (h_ = h, t = 1; h_ < ll[i]; h_++) {
				t = tt[t][ss[i][h_] - 'a'];
				if (!used[t])
					ans += kk[t], used[t] = 1;
			}
		for (h = 0; h < ll[i]; h++)
			for (h_ = h, t = 1; h_ < ll[i]; h_++) {
				t = tt[t][ss[i][h_] - 'a'];
				used[t] = 0;
			}
	}
	ans -= n;
	printf("%d\n", ans);
	return 0;
}

Compilation message

lozinke.c: In function 'main':
lozinke.c:14:2: warning: ignoring return value of 'scanf' declared with attribute 'warn_unused_result' [-Wunused-result]
   14 |  scanf("%d", &n);
      |  ^~~~~~~~~~~~~~~
lozinke.c:17:3: warning: ignoring return value of 'scanf' declared with attribute 'warn_unused_result' [-Wunused-result]
   17 |   scanf("%s", ss[i]), ll[i] = strlen(ss[i]);
      |   ^~~~~~~~~~~~~~~~~~

Subtask #1
100.0 / 100.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 204 KB Output is correct
2 Correct 1 ms 204 KB Output is correct
3 Correct 1 ms 288 KB Output is correct
4 Correct 1 ms 332 KB Output is correct
5 Correct 1 ms 460 KB Output is correct
6 Correct 2 ms 588 KB Output is correct
7 Correct 2 ms 844 KB Output is correct
8 Correct 3 ms 1068 KB Output is correct
9 Correct 8 ms 1996 KB Output is correct
10 Correct 12 ms 3916 KB Output is correct
11 Correct 11 ms 3116 KB Output is correct
12 Correct 21 ms 7432 KB Output is correct
13 Correct 19 ms 2796 KB Output is correct
14 Correct 18 ms 7736 KB Output is correct
15 Correct 27 ms 8128 KB Output is correct
16 Correct 19 ms 972 KB Output is correct
17 Correct 15 ms 800 KB Output is correct
18 Correct 11 ms 760 KB Output is correct
19 Correct 19 ms 5224 KB Output is correct
20 Correct 12 ms 844 KB Output is correct