제출 #1224217

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
1224217		sleepntsheep	Nautilus (BOI19_nautilus)	C11	29 / 100	4 ms	328 KiB

nautilus

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

int r, c, m, dx[] = { -1, 1, 0, 0 }, dy[] = { 0, 0, 1, -1 }, z;
char d[333], s[333][333];

int main() {
	scanf("%d%d%d", &r, &c, &m);
	for (int i = 0; i < r; ++i)
		scanf("%s", s[i]);
	scanf("%s", d);

	for (int i = 0; i < r; ++i) {
		for (int j = 0; j < c; ++j) {
			int i_, j_, ok;

			i_ = i, j_ = j, ok = 1;

			if (s[i][j] == '#') continue;

			for (int k = m - 1; k >= 0; --k) {
				const char *ss = "EWNS";
				int k_ = strchr(ss, d[k]) - ss;
				i_ += dy[k_], j_ += dx[k_];
				if (i_ < 0 || j_ < 0 || i_ >= r || j_ >= c || s[i_][j_] == '#') {
					ok = 0;
					break;
				}
			}

			if (ok)
				++z;
		}
	}

	printf("%d\n", z);
	return 0;
}

컴파일 시 표준 에러 (stderr) 메시지

nautilus.c: In function 'main':
nautilus.c:8:9: warning: ignoring return value of 'scanf' declared with attribute 'warn_unused_result' [-Wunused-result]
    8 |         scanf("%d%d%d", &r, &c, &m);
      |         ^~~~~~~~~~~~~~~~~~~~~~~~~~~
nautilus.c:10:17: warning: ignoring return value of 'scanf' declared with attribute 'warn_unused_result' [-Wunused-result]
   10 |                 scanf("%s", s[i]);
      |                 ^~~~~~~~~~~~~~~~~
nautilus.c:11:9: warning: ignoring return value of 'scanf' declared with attribute 'warn_unused_result' [-Wunused-result]
   11 |         scanf("%s", d);
      |         ^~~~~~~~~~~~~~

• Subtask 1: 29 / 29
• Subtask 2: 0 / 37
• Subtask 3: 0 / 34