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DS/C/Lab/Week3/StackPalindrome.c

@@ -0,0 +1,46 @@
+#include <stdio.h>
+#define MAX_SIZE 100
+
+int top = -1;
+char stack[MAX_SIZE];
+
+void push(char c) {
+    if (top < MAX_SIZE - 1) {
+        stack[++top] = c;
+    }
+}
+
+char pop() {
+    if (top >= 0) {
+        return stack[top--];
+    }
+    return '\0';
+}
+
+int is_palindrome(char *str) {
+    int i;
+    for (i = 0; str[i] != '\0'; i++) {
+        push(str[i]);
+    }
+
+    for (i = 0; str[i] != '\0'; i++) {
+        if (str[i] != pop()) {
+            return 0;
+        }
+    }
+    return 1;
+}
+
+int main() {
+    char str[MAX_SIZE];
+    printf("Enter a string: ");
+    scanf("%s", str);
+
+    if (is_palindrome(str)) {
+        printf("%s is a palindrome.\n", str);
+    } else {
+        printf("%s is not a palindrome.\n", str);
+    }
+
+    return 0;
+}