Question:Palindrome in c without using string function 

#include<stdio.h>

int main(){
  char str[100];
  int i=0,j=-1,flag=0;

  printf("Enter a string: ");
  scanf("%s",str);

  while(str[++j]!='\0');
  j--;

  while(i<j)
      if(str[i++] != str[j--]){
           flag=1;
           break;
      }
     

  if(flag == 0)
      printf("The string is a palindrome");
  else
      printf("The string is not a palindrome");

  return 0;
}

Question:Code to find the ASCII values of given character in c programming language 

#include<stdio.h>

int main(){
  
    char c;

    printf("Enter any character: ");
    scanf("%c",&c);

    printf("ASCII value of given character: %d",c);
        
    return 0;
}
Sample output:
Enter any character: a
ASCII value of given character: 97

Question:C program to extract last two digits of a given year and print it 

#include<stdio.h>
int main(){
  int yyyy,yy;

  printf("Enter a year in for digits: ");
  scanf("%d",&yyyy);

  yy = yyyy % 100;
  printf("Last two digits of year is: %02d",yy);

  return 0;
}
Sample Output:
Enter a year in for digits: 1985
Last two digits of year is: 85