Explanation For Technical Interview Questions

Method 1

    #include<stdio.h>
        int main()
        {
            if(printf("KodeGod\n"))
            { }
        }

Method 2

    #include<stdio.h>
        int main()
        {
            while(!printf("KodeGod\n"))
            { }
        }

Method 3

    #include<stdio.h>
        int main()
        {
            for(;!printf("KodeGod\n");)
            { }
        }

#include<stdio.h>
void printstring(char* name, int count)
{
    printf("%d : %s\n",count+1,name);
    count+=1;
    if(count<=5)
        printstring(name, count);
}
int main()
{
    char name; 
    printf("\n Enter you name :");
    scanf("%s", name);
    printstring(name,1);
    return 0;
}

#include<stdio.h>
int main()
{
    int number;
    printf("Please input an integer number: ");
    scanf("%d", &number);
    //check 0th bit of number is 1 or 0
    (number & 0x01) ? printf("%d is an ODD Number.", number) :  printf("%d is an EVEN Number.", number) ;
    printf("\n");
    return 0;
}

a = a + b;
b = a - b;
a = a - b;
or
a = a + b - (b=a);

void main()
{
  printf("%s","kode" "god" ".com");
}

#include<string.h>
void main()
{
  clrscr();
  printf("%d%d",sizeof("kodegod"),strlen("kodegod"));
  getch();
}

void main()
{
if(printf("KodeGod"))
 printf("Awesome");
else
 printf("Amazing");
}

void main()
{
  while(1)
  {
    printf("kodegod.com");
  }
}

void main()
{
   while(a=0)
   {
     printf("kodegod.com");
   }
}

void main()
{
   while(a='0')
   {
      printf("kodegod.com");
   }
}

 
int main()
{
  int number = 147; //Any number.
  int res;
  if(number)
    res = number % 9 == 0 ? 9 : number % 9 ;
  else
    res = 0;
    printf("%d", res);
getch();
}

int main()
{
  int x = 10;
  int y = 10;
  if (!(x ^ y))
     printf(" x is equal to y ");
  else
     printf(" x is not equal to y ");
return 0;
}
 

 
int main()
{
   int i;
   for(i=0;i<5;i++)
   {
     int i = 10;  
     printf("%d", i);
   }
   return (0);
}

 
int main()
{
   int number; 
   printf("Please input an integer number: ");
   scanf("%d", &number); 
   (number & 0x01) ? printf("%d is an EVEN Number.", number) :  printf("%d is an ODD Number.", number) ;
   printf("\n");
   return 0;  
}

 
int main()
{
  int i=2,j=2;
  while(i+1? --i : j++)
  printf("%d", i);
  return 0;
}

int main()
{
  int a=2,b=7,c=10;
  c=a==b;
  printf("%d", c)
  return 0;
} 

#include<stdio.h>
int main()
{
  printf("%d %d %d", sizeof(3.14), sizeof(3.14f), sizeof(3.14L));
  return 0;
}

main()
{
float me = 1.1;
double you = 1.1;
if(me==you)
  printf("Values are equal");
else
  printf("Values are NOT equal");
}

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

 
int main()
{
   long sec, hr, min, t; // Declaration of variables
   printf("\n Enter time in seconds:");
   scanf("%ld", &sec);  // we have used ld for long integer
   hr = sec/3600;
   t = sec%3600;
   min = t/60;
   sec = t%60;
   printf("\n\nTime is %ld hrs %ld mins %ld secs", hr, min, sec); 
}

 
int main()
   {
      int i = 0;
      int j = i+++1;
      printf("%d\n", j);
   }

int main()
{
   int arr = {2};
   printf("%d", 0);
   return 0;
}
 

#include<stdio.h>
int sum(int x)
        {
         int s;
         for( s=0 ; x>0 ; s+=x%10 , x/=10);
         return s;
        }
int main ()
{
    printf("%d", sum(143));
}
 

 
#include<stdio.h>
main()
{
  int a;
  if (a=printf("HelloWorld")+4)
      printf("%d", a);
}

#include<stdio.h>
    int main()
    {
        int a = 1, b = 1, c;
        c = a++-++b;
        printf("%d, %d, %d", a, b, c);
    }

 
#include<stdio.h>
    int main()
    {
        int a = 10, b = 10;
        if (a = 5)
        b--;
        printf("%d, %d", a, b--);
    }

 
#include<stdio.h>
    int main()
    {
        int i = 2;
        int j = ++i + i;
        printf("%d\n", j);
    }

 
int main()
{
int x=011,i;
    for(i=0; i<x; i+=3)
    {
    printf("KodeGod.com ");
    continue;
    printf("Learn!");
    }
    return 0;
}

 
int main()
{
int i, j;
i=j=2,3;
while(--i&&j++)
printf("%d %d", i, j);
return 0;
}

#include<stdio.h>
int main()
{
   static int i;
   for(++i;++i;++i)
   {
      printf("%d ",i);
      if(i==4) break;
   }
return 0;
}

 
void printArray( int arr, int size )
{
  const int N = 10;
  int j; 
  for ( j=0; j<size; j++ )  {
         printf("%4d ", arr );  
    if ( j % N == N-1 )
            printf("\n");
        }
}
int main(int argc, char *argv)
{
  int x = { 1,  2,  3,  4,  5,  6,  7,  8,  9, 10,
             11, 12, 13, 14, 15, 16, 17, 18, 19, 20,
             21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 
             31, 32, 33, 34, 35, 36, 37, 38, 39, 40 };
  printArray( x, 40 ); 
  printf("\n");
  return 0;
}

 
#include<stdio.h>
int main()
    {
        int arr;
        foo(arr);
        return 0;
    }
    void foo(int *arr)
    {
        int i = 10, j = 2, k;
        arr = &i;
        arr = &j;
        *arr = 2;
        for (k = 0;k < 2; k++)
        printf("%d\n", *arr);
    }

 
int main()
{
  int a;
  a= (1, 2, 3);
  printf("%d", a);
  return 0;
}

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

 
int main()
{
  int i = 5;
  int a = --i + --i;
  printf("%d", a);
  return 0;
}

int main()
{
int x = 10;
   while( x --> 0 ) 
   {
      printf("%d ", x);
   }
printf("\n");
}

 
int main()
{
  char arr1= "aptitude in c";
  char arr2= "aptitude in c";
  if(arr1 == arr2)
  printf("cheers");
  return 0;
}

 
int main()
{
        int s = {'\0', '\0'};
        int x = {'\0', '\0'};
        int c = s;
        printf("%d", c);
        return 0;
}

#include<stdio.h>
int main()
{
  while(!!7)
    printf("Hai");
    return 0;
}
 

int main()
{
  int i = 5;
  int a = --i - --i - --i - --i;
  printf("%d", a);
  return 0;
}

 
static struct student
{
        int a;
        int b;
} struct_var   {2,3};
int main()
{
        printf("%d %d", struct_var.a, struct_var.b);
        return 0;
}

 
#include<stdio.h>
int main()
{
        int a = 5;
        printf("%dkodegod"+2, a);
        return 0;
}

 
#include<stdio.h>
int main(){
        char str;
        printf(" %d ",printf("kodegod"));
        return 0;
}

 
#include<stdio.h>
int main(){
    int i=5,j;
    j=++i+++i+++i;
    printf("%d %d", i, j);
    return 0;
}

  
void main(){
            char c=125;
            c=c+10;
            printf("%d", c);
}

 
int main()
    {
        char *str = "x";
        char c = 'x';
        char arr;
        arr = c;
        printf("%d %d", strlen(str), strlen(arr));
        return 0;
    }

 
void main()
    {
        int const k = 5;
        k++;
        printf("k is %d", k);
    }

 
int main()
    {
        int a = 10, b = 5, c = 5;
        int d;
        d = a == (b + c);
        printf("%d", d);
    }

 
int main()
    {
        int i = 0;
        int x = i++, y = ++i;
        printf("%d % d\n", x, y);
        return 0;
    }

 
#include<stdio.h>
    void main()
    {
        int x = 97;
        int y = sizeof(x++);
        printf("X is %d", x);
    }

 
#include<stdio.h>
int main(){
      int i=5,j;
      j = i++ + ++i + i++;
      printf("%d %d", i, j);
      return 0;
}

 
int main(void)
{
    int a = 10, b = 20, c = 30;
   printf("\n %d.. %d.. %d \n", a + b + c, (b = b*2), (c = c*2));
   return 0;
}

 
int main(void)
{
    char *ptr = "Linux";
    printf("\n  \n",*ptr++);
    printf("\n  \n",*ptr);
    return 0;
}

 
int main(){
    int arr={10,20,30};
    int x=0;
    x = ++arr;
    printf("%d ",x);
    return 0;
}

 
#include<stdio.h>
int sq(int);
int main(){
    int a=1,x;
    x = sq (++a) + sq(a++) + sq(a++);
    printf("%d", x);
return 0;
}
int sq(int num){
    return num * num;
}

 
int main(){
    float x;
    x=0.35==3.5/10;
    printf("%f", x);
    return 0;
}

 
int i;
int fun();
int main()
{
    while(i)
    {
        fun();
        main();
    }
    printf("Hello\n");
    return 0;
}
int fun()
{
    printf("Hi");
}

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

 
struct
{
        int i;
        float ft;
} x;
int main()
{
        x.i = 4;
        x.ft = 7.96623;
        printf("%d %.2f", x.i, x.ft);
        return 0;
}

 
int main()
{
  int a = 10;
  int b = 10;
  int sum = - ( -a-b );
  printf("%d", sum);
  return 0;
}