51 lines
1.3 KiB
C
51 lines
1.3 KiB
C
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/*
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* C program to find the length of a string without using the
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* built-in function also check whether it is a palindrome
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*/
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#include <stdio.h>
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#include <string.h>
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void main()
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{
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char string[25], reverse_string[25] = {'\0'};
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int i, length = 0, flag = 0;
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printf("Enter a string \n");
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gets(string);
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/* keep going through each character of the string till its end */
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for (i = 0; string[i] != '\0'; i++)
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{
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length++;
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}
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printf("The length of the string '%s' = %d\n", string, length);
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for (i = length - 1; i >= 0 ; i--)
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{
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reverse_string[length - i - 1] = string[i];
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}
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/* Check if the string is a Palindrome */
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for (flag = 1, i = 0; i < length ; i++)
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{
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if (reverse_string[i] != string[i])
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flag = 0;
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}
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if (flag == 1)
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printf ("%s is a palindrome \n", string);
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else
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printf("%s is not a palindrome \n", string);
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}
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/*
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*OUTPUT:
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Enter a string
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how are you
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The length of the string 'how are you' = 12
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how are you is not a palindrome
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Enter a string
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madam
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The length of the string 'madam' = 5
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madam is a palindrome
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Enter a string
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mam
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The length of the string 'mam' = 3
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mam is a palindrome
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*/
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