Control Instructions

Practice Control Instructions –

What will be the output of the following program on GCC?

#include <stdio.h>

int main(){

  int j=1;

  while(j < 255);

  {

    printf("%c %d
",j,j);

    j = j + 1;

  }

  return 0;

}

Practice Control Instructions –

What will be the output of the following program on GCC?

#include <stdio.h>

int main() {

  int a,b;

  scanf("%d %d",&a,&b); // a=4 b=5

  if(a>b);

    printf("If block");

  else

    printf("else block");

  return 0; 

}

Practice Control Instructions –

What will be the output of the following program on GCC compiler?

#include<stdio.h>  

#include<stdlib.h>    

int main() {      

  int i=0;     

  i++;     

  if(i<=5) {  

    printf("Welcome");   

    exit(1); 

    main();   

  }    

  return 0;

}  

Practice Control Instructions –

What will be the output of the following program on GCC compiler?

#include<stdio.h>  

int main()  {      

  int a = 300, b, c;      

  if(a >= 400)        

    b = 300;     

  c = 200;     

  printf("%d, %d, %d
", a, b, c);      

  return 0;  

}  

Practice Control Instructions –

What will be the output of the program on GCC compiler?

#include<stdio.h> 

int main() {     

  int a = 500, b = 100, c;     

  if(!a >= 400) 

    b = 300;   

  c = 200;  

  printf("b = %d c = %d
", b, c); 

  return 0; 

} 

Practice Control Instructions –

What will be the output of the following program on GCC?

include <stdio.h>

int main(){

  int i=1,j=1;

  for(;j;printf("%d %d
",i,j))

    j = i++<=5;

  return 0;

}

Practice Control Instructions –

What will be the output of the following program on GCC?

#include <stdio.h>

int main(){

  int i;

  for(i=1;i++<=5;printf("%d ",i));

  return 0;

}

Practice Control Instructions –

What will be the output of the following program on GCC?

#include <stdio.h>

int get();

int main(){

  int a;

  for(a=1;a<=2147483647;a++)

    printf("%d
",a);

  return 0;

}

Practice Control Instructions –

What will be the output of the following program on GCC compiler?

#include<stdio.h> 

int main() {     

  int x = 3;     

  float y = 3.0;    

  if(x == y){        

    printf("x and y are equal"); 

  }   

  else {        

    printf("x and y are not equal"); 

  }    

  return 0; 

} 

Practice Control Instructions –

What will be the output of the following program on GCC compiler?

#include <stdio.h> 

int main() {     

 char str[]="MalayalaM";

 char *s;

 s= str + 8;

 while(s>=str){

   printf("%c",*s);

   s--;

 }

  return 0; 

} 

Practice Control Instructions –

What will be the output of the folllowing program on GCC compiler?

#include <stdio.h>  

int main() {     

  char s[]="Hello india";     

  int i=0;     

  while(s[i]){

    if(s[i]!=)

      s[i]=s[i]+1;

    i++;

  }   

  printf("%s
",s);     

  return 0; 

} 

Practice Control Instructions –

What will be the output of the following program on GCC?

#include <stdio.h>

int main() {

  int i;

  for(i=-1;i<=10;i++) {

    if(i<5)

      continue;

    else

      break;

    ptintf("Once");

  } 

  return 0;  

}

Practice Control Instructions –

What will be the output of the following program on GCC?

#include <stdio.h>

int main(){

  char nam[2][10];

  int i;

  for(i=0;i<=1;i++){

    printf("Name=");

    scanf("%s",nam[i]);

    printf("Name is=%s
",nam[i]);

  }

  return 0;

} 

Practice Control Instructions –

What will be the output of the following program on GCC?

#include <stdio.h>

int main(){

  int k=-2,j=4;

  switch(k/=j/k){

    default:

      printf("default case
");  

    case 0:

      printf("zero
");

    case 1:

      printf("first
");

    case 2:

      printf("second
");       

  }

  return 0;     

}