Answer / jagadeesh

#include<stdio.h>
long int fact(long int n);
void main()
{
long int p;
p=fact(21)/(fact(18)*fact(3));
printf("%ld",p);
}
long int fact(long int n)
{
if(n==0||n==1)
return 1;
else
return n*fact(n-1);
}

Write a program to implement the motion of a bouncing ball using a downward gravitational force and a ground-plane friction force. Initially the ball is to be projected in to space with a given velocity vector

2 Answers  

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Find the largest number in a binary tree

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What is the output for the following program main() { int arr2D[3][3]; printf("%d\n", ((arr2D==* arr2D)&&(* arr2D == arr2D[0])) ); }

1 Answers  

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Write out a function that prints out all the permutations of a string. For example, abc would give you abc, acb, bac, bca, cab, cba. You can assume that all the characters will be unique.

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main() { char c=' ',x,convert(z); getc(c); if((c>='a') && (c<='z')) x=convert(c); printf("%c",x); } convert(z) { return z-32; }

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Is there any difference between the two declarations, 1. int foo(int *arr[]) and 2. int foo(int *arr[2])

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void main() { while(1){ if(printf("%d",printf("%d"))) break; else continue; } }

1 Answers  

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main() { int y; scanf("%d",&y); // input given is 2000 if( (y%4==0 && y%100 != 0) || y%100 == 0 ) printf("%d is a leap year"); else printf("%d is not a leap year"); }

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#include <stdio.h> int main(void) { int a=4, b=2; a=b<<a+b>>2 ; printf("%d",a); return 0; }

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main() { unsigned int i=10; while(i-->=0) printf("%u ",i); }

2 Answers   HP,

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You are given any character string. Find the number of sets of vowels that come in the order of aeiou in the given string. For eg., let the given string be DIPLOMATIC. The answer returned must be "The number of sets is 2" and "The sets are "IO and AI". Vowels that form a singleton set must be neglected. Try to post the program executable in gcc or g++ or in java.

3 Answers  

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which function is used to clear the buffer stream on gcc? for example: I wrote following code on gcc #include<stdio.h> int main(void) { char ch; int a,b; printf("\nenter two numbers:\t"); scanf("%d%d",&a,&b); printf("enter number is %d and %d",a,b); printf("\nentercharacter:\t"); scanf("%c",&ch); printf("enter character is %c",ch); return 0; } in above progarm ch could not be scan. why?plz tell me solution.

2 Answers  

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