uncommon_characters in c

C/uncommon_characters.c

@@ -0,0 +1,40 @@
+#include <stdio.h>
+#include <string.h>
+
+int main() {
+    char str1[100], str2[100];
+    int freq1[26] = {0}; // Array to store character frequency for str1
+    int freq2[26] = {0}; // Array to store character frequency for str2
+
+    printf("Enter the first string: ");
+    fgets(str1, sizeof(str1), stdin);
+    str1[strcspn(str1, "\n")] = '\0'; // Remove the newline character
+
+    printf("Enter the second string: ");
+    fgets(str2, sizeof(str2), stdin);
+    str2[strcspn(str2, "\n")] = '\0'; // Remove the newline character
+
+    // Count character frequency for str1
+    for (int i = 0; str1[i] != '\0'; i++) {
+        if (str1[i] >= 'a' && str1[i] <= 'z') {
+            freq1[str1[i] - 'a']++;
+        }
+    }
+
+    // Count character frequency for str2
+    for (int i = 0; str2[i] != '\0'; i++) {
+        if (str2[i] >= 'a' && str2[i] <= 'z') {
+            freq2[str2[i] - 'a']++;
+        }
+    }
+
+    // Print characters that are uncommon
+    printf("Uncommon characters: ");
+    for (int i = 0; i < 26; i++) {
+        if (freq1[i] != freq2[i]) {
+            printf("%c ", 'a' + i);
+        }
+    }
+
+    return 0;
+}