#include<studio.h>
#include<stdio.h>Int main (){float a= 20.77,c=40.45;do{printf{"%f%f", a, c};a++;--c;} while (a<=24 && c<=43) ;return 0;}

#include<iostream.h>int main(){int i, a=5;printf("Enter the value of i \n") ;scanf("%d", & i) ;do{++i;sum = a+iprintf("%d", sum) ;} while(i>=5);return 0;}

#include<stdio.h>int main(){int n,i;printf("enter n:");scanf("%d",&n);i=n;do{printf("%d",n);i--;}while(i>0);return 0;}