What will be the output of the following program on GCC compiler?
Practice Declarations and Initializations –
What will be the output of the following program on GCC compiler?
#include<stdio.h>
#include<math.h>
int main() {
printf("%d, %d, %d
", sizeof(3.14f), sizeof(3.14), sizeof(3.14l));
return 0;
} What will be the output of the following program on GCC compiler?
Practice Declarations and Initializations –
What will be the output of the following program on GCC compiler?
#include<stdio.h>
#include<math.h>
int main() {
printf("%f
", sqrt(36.0));
return 0;
} What will be the output of the following program on GCC compiler?
Practice Declarations and Initializations –
What will be the output of the following program on GCC compiler?
#include <stdio.h>
int main() {
float f=7.29;
printf("%d
", (int)f);
return 0;
}What will be the output of the program on GCC compiler?
Practice Declarations and Initializations –
What will be the output of the program on GCC compiler?
#include<stdio.h>
int main() {
float a=0.7;
if(a < 0.7){
printf("C
");
}
else {
printf("C++
");
}
return 0;
} What will be the output of the following program on GCC compiler?
Practice C Preprocessor –
What will be the output of the following program on GCC compiler?
#include<stdio.h>
#define FUN(arg) do{if(arg)printf("Hello World...", "
");}while(--i)
int main() {
int i=2;
FUN(i<3);
return 0;
} What will be the output of the following program on GCC compiler ?<
Practice C Preprocessor –
What will be the output of the following program on GCC compiler ?
#include<stdio.h>
#define SWAP(a, b) int t;t=a;a=b;b=t;
int main() {
int a=10, b=12;
SWAP(a, b);
printf("a = %d, b = %d
", a, b);
return 0;
} What will be the output of the following program on GCC compiler?
Practice C Preprocessor –
What will be the output of the following program on GCC compiler?
#include <stdio.h>
#define CUBE(x) (x*x*x)
int main() {
int a, b=3;
a = CUBE(b++);
printf("%d, %d
", a, b);
return 0;
} What will be the output of the following program on GCC compiler?
Practice C Preprocessor –
What will be the output of the following program on GCC compiler?
#include <stdio.h>
#define SQR(x)(x*x)
int main() {
int a, b=3;
a = SQR(b+2);
printf("%d
", a);
return 0;
} What will be the output of the following program on GCC compiler?
Practice C Preprocessor –
What will be the output of the following program on GCC compiler?
#include<stdio.h>
#define MAN(x, y) ((x)>(y)) ? (x):(y);
int main() {
int i=10, j=5, k=0;
k = MAN(++i, j++);
printf("%d, %d, %d
", i, j, k);
return 0;
} What will be the output of the following program on GCC?
Practice Pointers –
What will be the output of the following program on GCC?
#include <stdio.h>
#include <malloc.h>
int main(){
struct node{
struct node *pre;
struct node *next;
int i;
};
struct node *p,*q;
p=(struct node *) malloc(sizeof (struct node));
q=(struct node *) malloc(sizeof (struct node));
p->i=75;
q->i=90;
p->pre=NULL;
p->next=q;
q->pre=p;
q->next=NULL;
while(p!=NULL){
printf("%d
", p->i);
p=p->next;
}
return 0;
}What will be the output of the following program on GCC?
Practice Pointers –
What will be the output of the following program on GCC?
#include <stdio.h>
#include <malloc.h>
#define NULL 0
int main(){
struct node{
int data;
struct node *link;
};
struct node *p,*q;
p=(struct node *) malloc(sizeof (struct node));
q=(struct node *) malloc(sizeof (struct node));
p->data=30;
p->link=q;
q->data=40;
q->link=NULL;
printf("%d
",p->data);
p=p->link;
printf("%d
",p->data);
return 0;
}What will be the output of the following code on GCC compiler (64 b
Practice Memory Allocation –
What will be the output of the following code on GCC compiler (64 bit machine)?
#include<stdio.h>
#include<stdlib.h>
#define MAXROW 3
#define MAXCOL 4
int main() {
int (*p)[MAXCOL];
p = (int (*) [MAXCOL])malloc(MAXROW *sizeof(*p));
printf("%d, %d
", sizeof(p), sizeof(*p));
return 0;
} What will be the output of the program on GCC compiler?
Practice Memory Allocation –
What will be the output of the program on GCC compiler?
#include<stdio.h>
#include<stdlib.h>
int main() {
int *p;
p = (int *)malloc(20);
printf("%d
", sizeof(p));
free(p);
return 0;
} What will be the output of the following program on GCC?
Practice Declarations and Initializations –
What will be the output of the following program on GCC?
#include <stdio.h>
int increment();
int num;
int main(){
int i,j;
for(i=1;i<=3;i++){
j=increment();
printf("j=%d
",j);
}
printf("num=%d
",num);
return 0;
}
int increment(){
num++;
return (num);
}What will be the output of the following program on GCC?
Practice Declarations and Initializations –
What will be the output of the following program on GCC?
#include <stdio.h>
void val();
int i=10,j=20,k=30;
int main(){
int i=1,j=2,k=3;
printf("i=%d j=%d k=%d
",i,j,k);
val();
return 0;
}
void val(){
printf("i=%d j=%d k=%d
",i,j,k);
}