제출 #471508

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
471508		rainboy	Programiranje (COCI17_programiranje)	C11	80 / 80	33 ms	6616 KiB

programiranje

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

#define N	50000
#define A	26

int main() {
	static char cc[N + 1];
	static int kk[A][N];
	int n, q, a, i;

	scanf("%s", cc), n = strlen(cc);
	for (a = 0; a < A; a++)
		for (i = 0; i < n; i++)
			kk[a][i] = (i == 0 ? 0 : kk[a][i - 1]) + (cc[i] == a + 'a' ? 1 : 0);
	scanf("%d", &q);
	while (q--) {
		int l1, r1, l2, r2, da;

		scanf("%d%d%d%d", &l1, &r1, &l2, &r2), l1--, r1--, l2--, r2--;
		da = 1;
		for (a = 0; a < A; a++)
			if (kk[a][r1] - (l1 == 0 ? 0 : kk[a][l1 - 1]) != kk[a][r2] - (l2 == 0 ? 0 : kk[a][l2 - 1])) {
				da = 0;
				break;
			}
		printf(da ? "DA\n" : "NE\n");
	}
	return 0;
}

컴파일 시 표준 에러 (stderr) 메시지

programiranje.c: In function 'main':
programiranje.c:12:2: warning: ignoring return value of 'scanf' declared with attribute 'warn_unused_result' [-Wunused-result]
   12 |  scanf("%s", cc), n = strlen(cc);
      |  ^~~~~~~~~~~~~~~
programiranje.c:16:2: warning: ignoring return value of 'scanf' declared with attribute 'warn_unused_result' [-Wunused-result]
   16 |  scanf("%d", &q);
      |  ^~~~~~~~~~~~~~~
programiranje.c:20:3: warning: ignoring return value of 'scanf' declared with attribute 'warn_unused_result' [-Wunused-result]
   20 |   scanf("%d%d%d%d", &l1, &r1, &l2, &r2), l1--, r1--, l2--, r2--;
      |   ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

• Subtask 1: 80 / 80