1.23

1 files changed, 41 insertions, 0 deletions

diff --git a/1/23.c b/1/23.c
new file mode 100644
index 0000000..fdb4a5b
--- /dev/null
+++ b/1/23.c
@@ -0,0 +1,41 @@
+#include <stdio.h>
+
+#define NONE 0
+#define SINGLLC 1
+#define MULTILC 2
+#define MAXLEN 1000
+
+/* removes comments from a c program */
+int main(int argc, char *argv[]) {
+  int prev, curr, i, comment;
+  char s[MAXLEN];
+
+  i = prev = 0;
+  comment = NONE;
+
+  while (i < MAXLEN - 1 && (curr = getchar()) != EOF) {
+    if (!comment) {
+      if (curr == '/' && prev == '/') {
+        comment = SINGLLC;
+        i--;
+      } else if (curr == '*' && prev == '/') {
+        comment = MULTILC;
+        i--;
+      } else {
+        s[i++] = curr;
+      }
+    } else if ((comment == SINGLLC && curr == '\n') ||
+               (comment == MULTILC && curr == '/' && prev == '*')) {
+      comment = NONE;
+    }
+
+    prev = curr;
+  }
+
+  s[i] = 0;
+
+  printf("c code: \n");
+  printf("%s\n", s);
+
+  return 0;
+}
\ No newline at end of file