1 files changed, 36 insertions, 0 deletions
diff --git a/3.3.c b/3.3.c
new file mode 100644
index 0000000..e27078c
--- /dev/null
+++ b/3.3.c
@@ -0,0 +1,36 @@
+#include <stdio.h>
+ 
+#define MAXLEN 1000
+
+char* expand(char coom[], char str[]);
+
+int 
+main(void)
+{
+  char coom[] = "sneed a-z a-b-c a-z0-9 -a-z sneed";
+  char str[MAXLEN];
+
+  printf("%s\n%s\n", coom, expand(coom, str));
+
+  return 0;
+}
+
+char*
+expand(char from[], char to[])
+{
+  int i, j, k;
+
+  for (i = 0, j = 0; from[i] != '\0'; i++) {
+    to[j++] = from[i];
+
+    for (k = from[i]+1; ((from[i] >= '0' && from[i] <= '9') || (from[i] >= 'a' && from[i] <= 'z') || (from[i] >= 'A' && from[i] <= 'Z')) && from[i+1] == '-' && k < from[i+2]; k++, j++)
+      to[j] = k;
+
+    if (from[i+1] == '-' && ((from[i] >= '0' && from[i] <= '9') || (from[i] >= 'a' && from[i] <= 'z') || (from[i] >= 'A' && from[i] <= 'Z')))
+      i++;
+  }
+
+  to[j] = '\0';
+
+  return to;
+}