1 files changed, 4 insertions, 2 deletions
diff --git a/wk2/pset2/caesar/caesar.c b/wk2/pset2/caesar/caesar.c
index dd0368c..ba21fb9 100644
--- a/wk2/pset2/caesar/caesar.c
+++ b/wk2/pset2/caesar/caesar.c
@@ -1,6 +1,8 @@
 #include <cs50.h>
+#include <ctype.h>
 #include <stdio.h>
 #include <stdlib.h>
+#include <string.h>
 
 bool only_digits(string phrase);
 
@@ -13,8 +15,8 @@ int main(int argc, string argv[])
     } else {
         int key = atoi(argv[1]);
         string plain = get_string("plaintext: ");
-        
-        for (int i = 0; plain[i] != '\0'; i++) {
+        int plainlen = strlen(plain);
+        for (int i = 0; i < plainlen; i++) {
 
         }
     }