제출 #483287

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
483287		rainboy	Vlak (COCI20_vlak)	C11	70 / 70	10 ms	9804 KiB

Main

#include <stdio.h>
#include <string.h>

#define N_	200002
#define A	26

int tt[N_][A]; char msk[N_];

int dfs(int i, int t) {
	int a;

	for (a = 0; a < A; a++) {
		int j = tt[i][a];

		if ((msk[j] & 1 << t) != 0 && !dfs(j, t ^ 1))
			return 1;
	}
	return 0;
}

int main() {
	int n, n_;

	scanf("%d", &n);
	n_ = 2;
	while (n--) {
		static char cc[N_];
		int l, h, i;

		scanf("%s", cc), l = strlen(cc);
		for (h = 0, i = 1; h < l; h++) {
			int a = cc[h] - 'a';

			if (!tt[i][a])
				tt[i][a] = n_++;
			i = tt[i][a];
			msk[i] |= 1;
		}
	}
	scanf("%d", &n);
	while (n--) {
		static char cc[N_];
		int l, h, i;

		scanf("%s", cc), l = strlen(cc);
		for (h = 0, i = 1; h < l; h++) {
			int a = cc[h] - 'a';

			if (!tt[i][a])
				tt[i][a] = n_++;
			i = tt[i][a];
			msk[i] |= 2;
		}
	}
	printf(dfs(1, 0) ? "Nina\n" : "Emilija\n");
	return 0;
}

컴파일 시 표준 에러 (stderr) 메시지

Main.c: In function 'main':
Main.c:24:2: warning: ignoring return value of 'scanf' declared with attribute 'warn_unused_result' [-Wunused-result]
   24 |  scanf("%d", &n);
      |  ^~~~~~~~~~~~~~~
Main.c:30:3: warning: ignoring return value of 'scanf' declared with attribute 'warn_unused_result' [-Wunused-result]
   30 |   scanf("%s", cc), l = strlen(cc);
      |   ^~~~~~~~~~~~~~~
Main.c:40:2: warning: ignoring return value of 'scanf' declared with attribute 'warn_unused_result' [-Wunused-result]
   40 |  scanf("%d", &n);
      |  ^~~~~~~~~~~~~~~
Main.c:45:3: warning: ignoring return value of 'scanf' declared with attribute 'warn_unused_result' [-Wunused-result]
   45 |   scanf("%s", cc), l = strlen(cc);
      |   ^~~~~~~~~~~~~~~

• Subtask 1: 10 / 10
• Subtask 2: 10 / 10
• Subtask 3: 10 / 10
• Subtask 4: 10 / 10
• Subtask 5: 10 / 10
• Subtask 6: 10 / 10
• Subtask 7: 10 / 10