Submission #482400

#	Time	Username	Problem	Language	Result	Execution time	Memory
482400		rainboy	Patkice (COCI20_patkice)	C11	50 / 50	1 ms	280 KiB

patkice

#include <stdio.h>

#define N	100
#define M	100
#define INF	0x3f3f3f3f

int di[] = { 0, -1, 1, 0 };
int dj[] = { 1, 0, 0, -1 };
char dir[] = "ENSW";

int main() {
	static char cc[N][M + 1];
	int n, m, h, i, j;

	scanf("%d%d", &n, &m);
	for (i = 0; i < n; i++)
		scanf("%s", cc[i]);
	for (i = 0; i < n; i++)
		for (j = 0; j < m; j++)
			if (cc[i][j] == 'o') {
				int h_ = -1, d_ = INF;

				for (h = 0; h < 4; h++) {
					int i_ = i + di[h], j_ = j + dj[h], d = 0;

					while (cc[i_][j_] != '.' && cc[i_][j_] != 'o' && cc[i_][j_] != 'x') {
						if (cc[i_][j_] == '>')
							j_++;
						else if (cc[i_][j_] == '^')
							i_--;
						else if (cc[i_][j_] == 'v')
							i_++;
						else
							j_--;
						d++;
					}
					if (cc[i_][j_] == 'x' && d_ > d)
						h_ = h, d_ = d;
				}
				if (h_ == -1)
					printf(":(\n");
				else {
					printf(":)\n");
					printf("%c\n", dir[h_]);
				}
				return 0;
			}
	return 0;
}

Compilation message (stderr)

patkice.c: In function 'main':
patkice.c:15:2: warning: ignoring return value of 'scanf' declared with attribute 'warn_unused_result' [-Wunused-result]
   15 |  scanf("%d%d", &n, &m);
      |  ^~~~~~~~~~~~~~~~~~~~~
patkice.c:17:3: warning: ignoring return value of 'scanf' declared with attribute 'warn_unused_result' [-Wunused-result]
   17 |   scanf("%s", cc[i]);
      |   ^~~~~~~~~~~~~~~~~~

• Subtask 1: 30 / 30
• Subtask 2: 20 / 20