Interview Questions

Other IT Companies Interview Questions II

Find output of the following programs


Program 16
	
	main()
	{
	int k=263,p=0;
	while(p<5)
	{
	putchar(k);
	p++;
	}
	}
	

Program 17

	main()
	{
	
	int a[10]={10,20,30};
	printf("%d\n",*(a+*a+1-*a+3));
	
	}


Program 18

	main()
	{
	
	char p[]="%d\n\n";
	p[1]='c';
	p[2]='d';
	printf(p,65);
	printf("%cd\n",65);
	}


Program 19

	#include<stdio.h>
	#include<string.h>
	main()
	{
	
	char str1[]={'s','o','m','e'};
	char str2[]={'s','o','m','e','\0'};
	char *q,*p=str1;
	q=str2;
	while(strcmp(str1,str2))
	printf("%s %s",str1,str2);
	p++;
	q++;
	printf("%s %s",p,q);
	}


Program 20

	#include<stdio.h>
	int show()
	{
		printf("i am in show function\n");
	}
	int a()
	{
		printf("i am in a function\n");
	}
	int b()
	{
		printf("i am in b function\n");
	}
	main()
	{
	
		show(a(),b());
	}


Program 21

	void fun(int n)
	{
		if(n>0)
		{
			fun(--n);
			printf("%d",n);
			fun(--n);
		}
	}
	main()
	{
		fun(3);
	}


Program 22

	void fun(int n)
	{
	if(n>0)
	{
		fun(--n);
		printf("%d",n);
		fun(n);
	}
	
	}
	main()
	{
	fun(2);
	}


Program 23

	main()
	{
	static int i=5;
	if(--i)
	{
	main();
	printf("%d ",i);
	}
	}


Program 24

	main()
	{
		static int i=5;
		if(--i)
		{
			main();
			printf("%d ",i);
		}
		i=i++;
	}


Program 25

	main()
	{
	int i=1;
	while(i<=100)
	{
	printf("%d\n",i);
	sleep(1);
	static int i=100;
	i++;
	printf("%d \n",i);
	//sleep(1);
	}
	}
	
	typedef struct xxx
	{
		char *s;
		struct xxx *p;
	}xx;
	main()
	{
	xx p;
	struct xxx c;
	c.p=&p;
	p.p=&c;
	p.s="krishna";
	c.s="satyam";
	printf("%s %s %s\n",p.p->s,c.p->s,p.p->p->s);
	}


Program 26

	typedef struct xxx
	{
		char *s;
		struct xxx *p;
	};
	main()
	{
	struct xxx p;
	p.p=&p;
	p.p->s="Extreme C";
	printf("%s %s %s\n",p.s,p.p->s,p.p->p->s);
	}


Program 27

	struct x
	{
	int a;
	};
	struct y
	{
	char ch[2];
	};
	main()
	{
	struct y *p;
	struct x x1;
	x1.a=2;
	p=&x1;
	printf("%d %d\n",p->ch[0],p->ch[1]);
	}


Program 27

	main()
	{
	union a
	{
	int i;
	char c[2];
	};
	union a u;
	u.i=256;
	printf("%d %d %d\n",u.i,u.c[0]++,u.c[1]++);
	}


Program 28

	struct xxx
	{
	
	unsigned int a:3;
	unsigned int b:2;
	unsigned int c:3;
	
	};
	main()
	{
	struct xxx p={54},*q;
	q=&p;
	printf("%d\n",q->a);
	printf("%d\n",q->b);
	printf("%d\n",q->c);
	}


Program 29

	#include<stdio.h>
	main()
	{
	struct {
		int a:1;
		}b;
	int i;
	b.a=1;
	i=b.a;
	printf("%d %i %x\n",i,i,i);
	}
	

Program 30

	main()
	{
	
	int i,*p;
	p=calloc(5,sizeof(int [5]));
	for(i=0;i<5;i++)
	printf("%d\n",i[p]);
	}

Interview Questions

Other IT Companies Interview Questions

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Interview Questions

Other IT Companies Interview Questions II

Other IT Companies Interview Questions II

Find output of the following programs

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