Program Showing Type Conversion Across Assignment

#include<stdio.h>
 main()
 {
int a;
clrscr();
a=1;
printf("\n when a=1 then output is %d\n",a);
a='C';
printf("\n when a='C' then output is %d\n",a);
a=5.2;
printf("\n when a=5.2 then output is %d\n",a);
 }