#include <stdio.h>
#defin 
Practice C Preprocessor –
#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;
} #include<stdio.h>
void<
Practice Control Instructions –
#include<stdio.h>
voidmain()
{
inti=1,j=1;
while(++i < 10)
printf("%d ",i);
printf("
");
while(j++ < 10)
printf("%d ",j);
}
what is the output ?
#include<stdio.h>
int che
Practice Bitwise Operators –
#include<stdio.h>
int check (int, int);
int main() {
int c;
c = check(10, 20);
printf("c=%d
", c);
return 0;
}
int check(int i, int j) {
int *p, *q;
p=&i;
q=&j;
i>=45 ? return(*p): return(*q);
} #include<stdio.h>
int f(i
Practice Bitwise Operators –
#include<stdio.h>
int f(int a) {
a > 20? return(10): return(20);
}
int main() {
int f(int);
int b;
b = f(20);
printf("%d
", b);
return 0;
}#include<stdio.h>
int mai
Practice Bitwise Operators –
#include<stdio.h>
int main() {
int k, num = 30;
k = (num < 10) ? 100 : 200;
printf("%d
", num);
return 0;
} #include<stdio.h>
int mai
Practice Control Instructions –
#include<stdio.h>
int main() {
void fun();
int i = 1;
while(i <= 5) {
printf("%d
", i);
if(i>2)
goto here;
}
return 0;
}
void fun() {
here:
printf("It works");
} #include<stdio.h>
int mai
Practice Control Instructions –
#include<stdio.h>
int main() {
int i=1;
while() {
printf("%d
", i++);
if(i>10){
break;
}
}
return 0;
} #include <stdio.h>
int ma
Practice Control Instructions –
#include <stdio.h>
int main() {
char str[]="MalayalaM";
char *s;
s= str + 8;
while(s>=str){
printf("%c",*s);
s--;
}
return 0;
} #include <stdio.h>
int m
Practice Control Instructions –
#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;
} #include<stdio.h>
int ma
Practice Control Instructions –
#include<stdio.h>
int main() {
char s[] = "Hello";
char t[25];
char *ps, *pt;
ps = s;
pt = t;
while(*ps) {
*pt++ = *ps++;
}
/* Add a statement here */
printf("%s
", t);
return 0;
} #include<stdio.h>
int mai
Practice C Preprocessor –
#include<stdio.h>
int main() {
int x=4, y, z;
y = --x;
z = x--;
printf("%d, %d, %d
", x, y, z);
return 0;
} #include <stdio.h>
#includ
Practice Functions –
#include <stdio.h>
#include <stdarg.h>
void fun(char *msg, ...);
int main() {
fun("Hello", 1, 4, 7, 11);
return 0;
}
void fun(char *msg,...) {
int num;
va_list ptr;
va_start(ptr, msg);
num = va_arg(ptr, int);
num = va_arg(ptr, int);
printf("%d", num);
}#include<stdio.h>
int ma
Practice Arrays –
#include<stdio.h>
int main() {
int a[5] = {2, 3};
printf("%d, %d, %d
", a[2], a[3], a[4]);
return 0;
} #include <stdio.h>
#includ
Practice Functions –
#include <stdio.h>
#include <stdarg.h>
void fun(char *msg, ...);
int main() {
fun("Hello", 1, 4, 7, 11);
return 0;
}
void fun(char *msg,...) {
int num;
va_list ptr;
va_start(ptr, msg);
num = va_arg(ptr, int);
num = va_arg(ptr, int);
printf("%d", num);
}# include<stdio.h>
int mai
Practice Declarations and Initializations –
# include<stdio.h>
int main(){
int a=0;
{
int a=10;
printf("%d",a);
a++;
{
a=20;
}
{
printf(" %d",a);
int a=30; {a++;}
printf(" %d",a++);
}
printf(" %d",a++);
}
printf(" %d",a);
return 0;
}