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