#include <stdio.h>
int main() {
int num;
printf("Enter a number: ");
scanf("%d", &num);
for (int i = 0; i < 1; i++) {
if (num % 2 == 0) {
printf("%d is even.\n", num);
} else {
printf("%d is odd.\n", num);
}
}
return 0;
}
#include <stdio.h>
int main() {
int num;
printf("Enter a number: ");
scanf("%d", &num);
if (num % 7 == 0) {
printf("%d is divisible by 7.\n", num);
} else {
printf("%d is not divisible by 7.\n", num);
}
return 0;
}
#include <stdio.h>
int main() {
int num;
printf("Enter a number: ");
scanf("%d", &num);
if (num % 3 == 0 && num % 5 == 0) {
printf("%d is divisible by both 3 and 5.\n", num);
} else {
printf("%d is not divisible by both 3 and 5.\n", num);
}
return 0;
}
#include <stdio.h>
int main() {
int num1, num2;
printf("Enter the first number: ");
scanf("%d", &num1);
printf("Enter the second number: ");
scanf("%d", &num2);
if (num1 < num2) {
printf("The smallest number is: %d\n", num1);
} else {
printf("The smallest number is: %d\n", num2);
}
return 0;
}
#include <stdio.h>
int main() {
int num1, num2;
printf("Enter the first number: ");
scanf("%d", &num1);
printf("Enter the second number: ");
scanf("%d", &num2);
if (num1 > num2) {
printf("The greatest number is: %d\n", num1);
} else {
printf("The greatest number is: %d\n", num2);
}
return 0;
}
#include <stdio.h>
int main() {
int num1, num2, num3;
printf("Enter the first number: ");
scanf("%d", &num1);
printf("Enter the second number: ");
scanf("%d", &num2);
printf("Enter the third number: ");
scanf("%d", &num3);
int smallest = num1;
if (num2 < smallest) {
smallest = num2;
}
if (num3 < smallest) {
smallest = num3;
}
printf("The smallest number is: %d\n", smallest);
return 0;
}
#include <stdio.h>
int main() {
double num1, num2, num3;
printf("Enter the first number: ");
scanf("%lf", &num1);
printf("Enter the second number: ");
scanf("%lf", &num2);
printf("Enter the third number: ");
scanf("%lf", &num3);
if (num1 >= num2 && num1 >= num3) {
printf("The greatest number is: %.2lf\n", num1);
} else if (num2 >= num1 && num2 >= num3) {
printf("The greatest number is: %.2lf\n", num2);
} else {
printf("The greatest number is: %.2lf\n", num3);
}
return 0;
}
#include <stdio.h>
int main() {
int num1, num2, num3, num4;
printf("Enter the first number: ");
scanf("%d", &num1);
printf("Enter the second number: ");
scanf("%d", &num2);
printf("Enter the third number: ");
scanf("%d", &num3);
printf("Enter the fourth number: ");
scanf("%d", &num4);
int greatest = num1;
if (num2 > greatest) {
greatest = num2;
}
if (num3 > greatest) {
greatest = num3;
}
if (num4 > greatest) {
greatest = num4;
}
printf("The greatest number is: %d\n", greatest);
return 0;
}
#include <stdio.h>
int main() {
int num1, num2, num3, num4;
printf("Enter the first number: ");
scanf("%d", &num1);
printf("Enter the second number: ");
scanf("%d", &num2);
printf("Enter the third number: ");
scanf("%d", &num3);
printf("Enter the fourth number: ");
scanf("%d", &num4);
int smallest = num1;
if (num2 < smallest) {
smallest = num2;
}
if (num3 < smallest) {
smallest = num3;
}
if (num4 < smallest) {
smallest = num4;
}
printf("The smallest number is: %d\n", smallest);
return 0;
}
#include <stdio.h>
int main() {
int number;
printf("Enter a number: ");
scanf("%d", &number);
if (number == 0) {
printf("The number is zero.\n");
} else if (number < 0) {
printf("The number is negative.\n");
} else {
printf("The number is positive.\n");
}
return 0;
}
#include <stdio.h>
int main() {
int num1, num2, result;
printf("Enter the first number: ");
scanf("%d", &num1);
printf("Enter the second number: ");
scanf("%d", &num2);
if (num1 > num2) {
result = num1 + num2;
printf("Sum: %d\n", result);
} else {
result = num1 * num2;
printf("Product: %d\n", result);
}
return 0;
}
Switch Case Break Statements
12. Input two different numbers and print the sum, product, difference and remainder of two numbers using switch case statements.
#include <stdio.h>
int main() {
int num1, num2;
printf("Enter the first number: ");
scanf("%d", &num1);
printf("Enter the second number: ");
scanf("%d", &num2);
int choice;
printf("Choose an operation:\n");
printf("1. Sum\n");
printf("2. Product\n");
printf("3. Difference\n");
printf("4. Remainder\n");
scanf("%d", &choice);
switch (choice) {
case 1:
printf("Sum: %d\n", num1 + num2);
break;
case 2:
printf("Product: %d\n", num1 * num2);
break;
case 3:
printf("Difference: %d\n", num1 - num2);
break;
case 4:
if (num2 != 0) {
printf("Remainder: %d\n", num1 % num2);
} else {
printf("Cannot divide by zero.\n");
}
break;
default:
printf("Invalid choice.\n");
}
return 0;
}
13) Using switch case print the days of a week.
#include <stdio.h>
int main() {
int day;
printf("Enter a number (1-7): ");
scanf("%d", &day);
switch (day) {
case 1:
printf("Sunday\n");
break;
case 2:
printf("Monday\n");
break;
case 3:
printf("Tuesday\n");
break;
case 4:
printf("Wednesday\n");
break;
case 5:
printf("Thursday\n");
break;
case 6:
printf("Friday\n");
break;
case 7:
printf("Saturday\n");
break;
default:
printf("Invalid day number.\n");
}
return 0;
}
14. Using switch case print the months of a year.
#include <stdio.h>
int main() {
int month;
printf("Enter a number (1-12): ");
scanf("%d", &month);
switch (month) {
case 1:
printf("January\n");
break;
case 2:
printf("February\n");
break;
case 3:
printf("March\n");
break;
case 4:
printf("April\n");
break;
case 5:
printf("May\n");
break;
case 6:
printf("June\n");
break;
case 7:
printf("July\n");
break;
case 8:
printf("August\n");
break;
case 9:
printf("September\n");
break;
case 10:
printf("October\n");
break;
case 11:
printf("November\n");
break;
case 12:
printf("December\n");
break;
default:
printf("Invalid month number.\n");
}
return 0;
}
15.Write a program in C to print the numbers from 1 to 10.
#include <stdio.h>
int main() {
for (int i = 1; i <= 10; ++i) {
printf("%d ", i);
}
return 0;
}
16. Write a program in C to print the numbers from 10 to 1.
#include <stdio.h>
int main() {
for (int i = 10; i >= 1; --i) {
printf("%d ", i);
}
return 0;
}
17.) Write a program in C to print the even numbers from 2 to 50.
#include <stdio.h>
int main() {
for (int i = 2; i <= 50; i += 2) {
printf("%d ", i);
}
return 0;
}
18. Write a program in C to print the odd numbers from 1 to 25.
#include <stdio.h>
int main() {
for (int i = 1; i <= 25; i += 2) {
printf("%d ", i);
}
return 0;
}
19. Write a program in C to print the even numbers from 2 to 50 using the continue statement.
#include <stdio.h>
int main() {
for (int i = 2; i <= 50; ++i) {
if (i % 2 != 0) {
continue;
}
printf("%d ", i);
}
return 0;
}
20. Write a program in C to print the odd numbers from 1 to 25 using continue statement.
#include <stdio.h>
int main() {
for (int i = 1; i <= 25; ++i) {
if (i % 2 == 0) {
continue;
}
printf("%d ", i);
}
return 0;
}
21. Write a program in C to print the sum of numbers from 1 to 10.
#include <stdio.h>
int main() {
int sum = 0;
for (int i = 1; i <= 10; ++i) {
sum += i;
}
printf("Sum: %d\n", sum);
return 0;
}
22. Write a program in C to print the sum of even numbers from 2 to 50.
#include <stdio.h>
int main() {
int sum = 0;
for (int i = 2; i <= 50; i += 2) {
sum += i;
}
printf("Sum: %d\n", sum);
return 0;
}
23. Write a program in C to print the sum of odd numbers from 1 to 25.
#include <stdio.h>
int main() {
int sum = 0;
for (int i = 1; i <= 25; i += 2) {
sum += i;
}
printf("Sum: %d\n", sum);
return 0;
}
#include <stdio.h>
int main() {
int N, sum = 0;
printf("Enter a number (N): ");
scanf("%d", &N);
for (int i = 1; i <= N; ++i) {
sum += i;
}
printf("Sum: %d\n", sum);
return 0;
}
25. Write a program in C to print the factorial of a number.
#include <stdio.h>
int main() {
int num, factorial = 1;
printf("Enter a number: ");
scanf("%d", &num);
for (int i = 1; i <= num; ++i) {
factorial *= i;
}
printf("Factorial: %d\n", factorial);
return 0;
}
#include <stdio.h>
int main() {
int num;
printf("Enter a number: ");
scanf("%d", &num);
printf("Factors of %d: ", num);
for (int i = 1; i <= num; ++i) {
if (num % i == 0) {
printf("%d ", i);
}
}
return 0;
}
