#include<stdio.h>
int ma 
Practice Declarations and Initializations –
#include<stdio.h>
int main() {
float a=0.7;
if(a < 0.7){
printf("C
");
}
else {
printf("C++
");
}
return 0;
} #include <stdio.h>
int m
Practice Pointers –
#include <stdio.h>
int main() {
char str1[] = "Logic";
char str2[] = "Try";
char *s1 = str1, *s2=str2;
while(*s1++ = *s2++){
printf("%s", str1);
}
return 0;
}#include <stdio.h>
int ma
Practice Pointers –
#include <stdio.h>
int main() {
int a=10, *j;
void *k;
j=k=&a;
j++;
k++;
printf("%u %u
", j, k);
return 0;
}#include<stdio.h>
int mai
Practice Functions –
#include<stdio.h>
int main() {
int (*p)() = fun;
(*p)();
return 0;
}
int fun() {
printf("Hello World
");
return 0;
} #include<stdio.h>
struct
Practice Structures, Unions, Enums –
#include<stdio.h>
struct emp {
char name[20];
int age;
};
int main() {
emp int e;
int a;
printf("%d
", &a);
return 0;
} #include <stdio.h>
int inc
Practice Declarations and Initializations –
#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);
}#include <stdio.h>
void va
Practice Declarations and Initializations –
#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);
}#include <stdio.h>
void ch
Practice Declarations and Initializations –
#include <stdio.h>
void change();
int main(){
auto int i=10;
register int j=20;
printf("Initial i and j=%d %d
",i,j);
change();
printf("After change() i and j=%d %d
",i,j);
return 0;
}
void change(){
auto int i=100;
register int j=200;
printf("In change() i and j=%d %d
", i,j);
}#include<stdio.h>
register
Practice Declarations and Initializations –
#include<stdio.h>
register char *p;
void main(){
static int arr[3] = {2,3,4};
p = arr;
p = (char*) ( (int*) (p));
printf("%d",*p);
p = (int * ) (p++);
printf("%d",*p++);
}#include<stdio.h>
int mai
Practice Control Instructions –
#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;
} #include<stdio.h>
int mai
Practice Functions –
#include<stdio.h>
int main() {
int i = 0;
i++;
if(i <= 5) {
printf("Hello World
");
exit(0);
main();
}
return 0;
} #include<stdio.h>
int mai
Practice Control Instructions –
#include<stdio.h>
int main() {
int i = 10, j = 15;
if(i % 2 = j % 3) {
printf("Hello World
");
}
return 0;
} #include<stdio.h>
int mai
Practice Control Instructions –
#include<stdio.h>
int main() {
int i = 10, j = 20;
if(i = 5) && if(j = 10)
printf("Have a nice day");
return 0;
} #include <stdio.h>
void ma
Practice Control Instructions –
#include <stdio.h>
void main(){
int a=100;
if(a>10)
printf("Welcome
");
else if(a>20)
printf("Let us
");
else if(a>30)
printf("c
");
}#define PRINT printf("Welcome"); print
Practice C Preprocessor –
#define PRINT printf("Welcome"); printf(" Home");
#include <stdio.h>
void main(){
int x=1;
if(x--)
PRINT
else
printf("Else statement");
}