1 files changed, 0 insertions, 136 deletions
diff --git a/5a.c b/5a.c
deleted file mode 100644
index 1fc80d0..0000000
--- a/5a.c
+++ /dev/null
@@ -1,136 +0,0 @@
-
-#include <ctype.h>
-#include <regex.h>
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-
-
-struct crate {
-	struct crate * next;
-	char id;
-};
-
-
-int
-crates_move(struct crate ** stack, int stacks, int dest, int src, int count)
-{
-	int i;
-
-	if (dest < 0 || dest >= stacks
-			|| src < 0 || src >= stacks)
-	{
-		fprintf(stderr, "Invalid src/dest stack (%d/%d/%d)\n",
-				stacks, dest, src);
-		return -1;
-	}
-
-	for (i = 0; i < count; ++i) {
-		struct crate * c;
-
-		if (stack[src] == NULL) {
-			fprintf(stderr, "No crates available in stack %d\n",
-					src);
-			return -1;
-		}
-
-		c = stack[src];
-		stack[src] = c->next;
-		c->next = stack[dest];
-		stack[dest] = c;
-	}
-
-	return 0;
-}
-
-
-int
-crates_dump(struct crate ** stack, int stacks)
-{
-	int i;
-
-	for (i = 0; i < stacks; ++i) {
-		struct crate * c;
-
-		fprintf(stderr, "%d:", i + 1);
-		for (c = stack[i]; c != NULL; c = c->next) {
-			fprintf(stderr, " %c", c->id);
-		}
-		fprintf(stderr, "\n");
-	}
-	fprintf(stderr, "\n");
-
-	return 0;
-}
-
-
-int
-main()
-{
-	char buf[BUFSIZ];
-	int stacks = 0, i;
-	struct crate ** stack = NULL;
-	regex_t movecmd;
-
-	while (fgets(buf, sizeof(buf), stdin)) {
-		int len;
-
-		len = strlen(buf);
-
-		if (len == 1 && buf[0] == '\n') {
-			break;
-		}
-		if (stacks == 0 && stack == NULL) {
-			if (len % 4 != 0) {
-				fprintf(stderr, "Unexpected first line width: %d\n", len);
-				return -1;
-			}
-			stacks = len / 4;
-			stack = calloc(stacks, sizeof(struct crate *));
-		}
-		if (len != stacks * 4) {
-			fprintf(stderr, "Unexpected input line width: %d/%d\n", len, stacks * 4);
-			return -1;
-		}
-
-		for (i = 0; i < stacks; ++i) {
-			if (isupper(buf[i * 4 + 1])) {
-				struct crate ** pc = stack + i;
-				while (*pc != NULL)
-					pc = &(*pc)->next;
-				*pc = malloc(sizeof(struct crate));
-				(*pc)->next = NULL;
-				(*pc)->id = buf[i * 4 + 1];
-			}
-		}
-
-#ifdef CRATES_DUMP
-		crates_dump(stack, stacks);
-#endif
-	}
-
-	regcomp(&movecmd, "move ([[:digit:]]+) from ([[:digit:]]+) to ([[:digit:]]+)\n", REG_EXTENDED);
-	while (fgets(buf, sizeof(buf), stdin)) {
-		regmatch_t matches[4];
-		if (regexec(&movecmd, buf, 4, matches, 0) != 0) {
-			fprintf(stderr, "Unexpected move command: %s\n", buf);
-		}
-		crates_move(stack, stacks,
-				atoi(buf + matches[3].rm_so) - 1,
-				atoi(buf + matches[2].rm_so) - 1,
-				atoi(buf + matches[1].rm_so));
-
-#ifdef CRATES_DUMP
-		crates_dump(stack, stacks);
-#endif
-	}
-	regfree(&movecmd);
-
-	for (i = 0; i < stacks; ++i) {
-		fputc(stack[i] ? stack[i]->id : ' ', stdout);
-	}
-	fputc('\n', stdout);
-
-	return 0;
-}
-