From ad74a56171901d906cece1462fa573f17423556f Mon Sep 17 00:00:00 2001
From: Sadeep Madurange <smadurange@users.noreply.github.com>
Date: Sun, 28 Nov 2021 18:52:21 +0800
Subject: 2.5

---
 2/4.c |  4 ++--
 2/5.c | 38 ++++++++++++++++++++++++++++++++++++++
 2 files changed, 40 insertions(+), 2 deletions(-)
 create mode 100644 2/5.c

diff --git a/2/4.c b/2/4.c
index 23551f6..03b3bad 100644
--- a/2/4.c
+++ b/2/4.c
@@ -9,12 +9,12 @@ int main(int argc, char *argv[]) {
   int i, c;
   char s1[MAXLEN], s2[MAXLEN];
 
-  printf("input first string\n");
+  printf("enter first string\n");
   for (i = 0; i < MAXLEN - 1 && (c = getchar()) != '\n' && c != EOF; i++)
     s1[i] = c;
   s1[i] = 0;
 
-  printf("input second string\n");
+  printf("enter second string\n");
   for (i = 0; i < MAXLEN - 1 && (c = getchar()) != '\n' && c != EOF; i++)
     s2[i] = c;
   s2[i] = 0;
diff --git a/2/5.c b/2/5.c
new file mode 100644
index 0000000..0c21eac
--- /dev/null
+++ b/2/5.c
@@ -0,0 +1,38 @@
+#include <stdio.h>
+
+#define MAXLEN 1000
+
+int any(char s1[], char s2[]);
+
+/* finds the location of first occurrence of any character */
+int main(int argc, char *argv[]) {
+  int i, c;
+  char s1[MAXLEN], s2[MAXLEN];
+
+  printf("Enter first string\n");
+  for (i = 0; i < MAXLEN - 1 && (c = getchar()) != EOF && c != '\n'; i++)
+    s1[i] = c;
+  s1[i] = 0;
+
+  printf("Enter second string\n");
+  for (i = 0; i < MAXLEN - 1 && (c = getchar()) != EOF && c != '\n'; i++)
+    s2[i] = c;
+  s2[i] = 0;
+
+  printf("Index: %d\n", any(s1, s2));
+
+  return 0;
+}
+
+int any(char s1[], char s2[]) {
+  int i, j;
+
+  for (i = 0; s1[i] != 0; i++) {
+    for (j = 0; s2[j] != 0; j++) {
+      if (s1[i] == s2[j])
+        return i;
+    }
+  }
+
+  return -1;
+}
\ No newline at end of file
-- 
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