Program 1:
#include <stdio.h>
int main() {
int arr[] = {1, 2, 3, 4, 5};
int *ptr = &arr[0];
printf("%d\n", *++ptr);
printf("%d\n", *(ptr++));
return 0;
}View output
2
3
Program 2:
#include <stdio.h>
int main() {
int i = 0;
for (; i < 5; i++) {
if (i == 2)
continue;
printf("%d ", i);
}
return 0;
}View output
0 1 3 4
Program 03:
#include <stdio.h>
int main() {
int x = 5;
int *ptr = &x;
printf("%d %p\n", *ptr, ptr);
(*ptr)++;
printf("%d\n", x);
return 0;
}View output
5 address of x
6
Program 04:
#include <stdio.h>
int main() {
int x = 10;
int *ptr1 = &x, *ptr2 = &x;
(*ptr1)++;
printf("%d %d\n", *ptr1, *ptr2);
return 0;
}View output
11 11
Program 05:
#include <stdio.h>
int main() {
char str[] = "Hello, World!";
char *ptr = str;
printf("%c\n", *ptr++);
printf("%s\n", ptr);
return 0;
}View output
H
ello, World!
Program 06:
#include <stdio.h>
int main() {
int x = 5;
printf("%d\n", x++);
printf("%d\n", ++x);
return 0;
}View output
5
7
Program 07:
#include <stdio.h>
int main() {
int a = 10, b = 20;
printf("%d\n", a++ + b++);
printf("%d %d\n", a, b);
return 0;
}View output
30
11 21
Program 08:
#include <stdio.h>
int main() {
int i = 10;
while (i++ <= 15) {
printf("%d ", i);
}
return 0;
}View output
11 12 13 14 15 16
Program 09:
#include <stdio.h>
int main() {
int arr[] = {1, 2, 3, 4, 5};
int *ptr = arr;
printf("%d\n", *ptr++);
printf("%d\n", *ptr);
return 0;
}View output
1
2
Program 10:
#include <stdio.h>
int main() {
int x = 10, y = 20;
int *ptr1 = &x, *ptr2 = &y;
printf("%d %d\n", *ptr1, *ptr2);
ptr1 = ptr2;
printf("%d %d\n", *ptr1, *ptr2);
return 0;
}View output
10 20
20 20
Program 11:
#include <stdio.h>
void func(int *a, int *b) {
int temp = *a;
*a = *b;
*b = temp;
}
int main() {
int x = 10, y = 20;
printf("Before swapping: x = %d, y = %d\n", x, y);
func(&x, &y);
printf("After swapping: x = %d, y = %d\n", x, y);
return 0;
}View output
Before swapping: x = 10, y = 20
After swapping: x = 20, y = 10
Program 12:
#include <stdio.h>
int main() {
char *str = "Hello";
printf("%c\n", *str);
printf("%s\n", str);
return 0;
}View output
H
Hello
Program 13:
#include <stdio.h>
int main() {
int a = 10;
int *ptr = &a;
printf("%d\n", *ptr);
*ptr = 20;
printf("%d\n", a);
return 0;
}View output
10
20
Program 14:
#include <stdio.h>
int main() {
int x = 10, y = 20;
int *ptr1 = &x, *ptr2 = &y;
*ptr1 += *ptr2;
printf("%d\n", x);
return 0;
}View output
30
Program 15:
#include <stdio.h>
int main() {
int arr[] = {1, 2, 3, 4, 5};
printf("%d\n", *arr + 3);
return 0;
}View output
4
Program 16:
#include <stdio.h>
void swap(int *a, int *b) {
int temp = *a;
*a = *b;
*b = temp;
}
int main() {
int x = 5, y = 10;
swap(&x, &y);
printf("x = %d, y = %d\n", x, y);
return 0;
}View output
x = 10, y = 5
Program 17:
#include <stdio.h>
int main() {
int arr[] = {1, 2, 3, 4, 5};
int *ptr = arr;
printf("%d\n", *ptr++);
printf("%d\n", *ptr);
return 0;
}View output
1
2
Program 18:
#include <stdio.h>
int main() {
int i = 0;
while (i < 5) {
printf("%d ", ++i);
}
return 0;
}View output
1 2 3 4 5
Program 19:
#include <stdio.h>
int main() {
char str[] = "Hello";
char *ptr = str;
printf("%c\n", *(ptr + 1));
printf("%s\n", ptr + 2);
return 0;
}View output
e
llo
Program 20:
#include <stdio.h>
int main() {
int arr[] = {1, 2, 3, 4, 5};
printf("%d\n", *arr + 2);
return 0;
}View output
3
Program 21:
#include <stdio.h>
int main() {
int arr[] = {10, 20, 30, 40, 50};
int *ptr = arr;
printf("%d\n", *ptr++);
printf("%d\n", *++ptr);
return 0;
}View output
10
30
Program 22:
#include <stdio.h>
int main() {
int x = 10, y = 5;
int *ptr1 = &x, *ptr2 = &y;
*ptr1 = *ptr1 + *ptr2;
printf("%d\n", x);
return 0;
}View output
15