#include <stdio.h>  
int main()  
{  
    printf("Hello javaTpoint");  
    return 0;  
}  

    //Syntax 
// Data_type variable_name ;

#include<stdio.h>
/* Main() Function Section */
int main() {
  
int serial_number; //here we have declared variable of int data type
float height;//here we have declared variable of float data type
char group;//here we have declared variable of char data type

 getch();


}

    //Syntax  
// Data_type variable_name = value ;

#include<stdio.h>
/* Main() Function Section */
int main() {
  
int serial_number = 123456;    //here we have declared variable of int data type
float height=  5.11;   //here we have declared variable of float data type
char group = 'A';        //here we have declared variable of char data type

 getch();


}

#include<stdio.h>
int main()
{
printf("Hello world");

return 0;
}

#include <stdio.h>

int main() {
    int num1, num2, sum;

    // Read two numbers from user input
    printf("Enter two numbers:\n");
    scanf("%d%d", &num1, &num2);

    // Perform the addition
    sum = num1 + num2;

    // Display the result
    printf("Sum: %d\n", sum);

    return 0;
}

#include <stdio.h>

int main() {
    int num1, num2, difference;

    // Read two numbers from user input
    printf("Enter two numbers:\n");
    scanf("%d%d", &num1, &num2);

    // Perform the subtraction
    difference = num1 - num2;

    // Display the result
    printf("Difference: %d\n", difference);

    return 0;
}

#include <stdio.h>

int main() {
    int num1, num2, product;

    // Read two numbers from user input
    printf("Enter two numbers:\n");
    scanf("%d%d", &num1, &num2);

    // Perform the multiplication
    product = num1 * num2;

    // Display the result
    printf("Product: %d\n", product);

    return 0;
}

#include <stdio.h>

int main() {
    int num1, num2;
    float div;

    // Read two numbers from user input
    printf("Enter two numbers:\n");
    scanf("%d%d", &num1, &num2);

    // Perform the division
    div = (float) num1 / num2;

    // Display the result
    printf("Quotient: %.2f\n", div);

    return 0;
}

#include <stdio.h>

int main() {
    int num1, num2, remainder;

    // Read two numbers from user input
    printf("Enter two numbers:\n");
    scanf("%d%d", &num1, &num2);

    // Perform the modulus operation
    remainder = num1 % num2;

    // Display the result
    printf("Remainder: %d\n", remainder);

    return 0;
}

#include <stdio.h>

int main() {
    int num1, num2;
    
    // Read two numbers from user input
    printf("Enter two numbers:\n");
    scanf("%d%d", &num1, &num2);

    // Perform arithmetic operations
    int sum = num1 + num2;
    int difference = num1 - num2;
    int product = num1 * num2;
    float quotient = (float) num1 / num2;
    int remainder = num1 % num2;

    // Display the results
    printf("Sum: %d\n", sum);
    printf("Difference: %d\n", difference);
    printf("Product: %d\n", product);
    printf("Quotient: %.2f\n", quotient);
    printf("Remainder: %d\n", remainder);

    return 0;
}

#include <stdio.h>

int main() {
    float radius, area;

    // Read the radius of the circle from user input
    printf("Enter the radius of the circle: ");
    scanf("%f", &radius);

    // Calculate the area of the circle
    area = 3.14159 * radius * radius;

    // Display the result
    printf("The area of the circle with radius %.2f is %.2f\n", radius, area);

    return 0;
}

#include <stdio.h>

int main() {
    float base, height, area;

    // Read the base and height of the triangle from user input
    printf("Enter the base of the triangle: ");
    scanf("%f", &base);

    printf("Enter the height of the triangle: ");
    scanf("%f", &height);

    // Calculate the area of the triangle
    area = 0.5 * base * height;

    // Display the result
    printf("The area of the triangle with base %.2f and height %.2f is %.2f\n", base, height, area);

    return 0;
}

#include <stdio.h>

int main() {
    float length, width, area;

    // Read the length and width of the rectangle from user input
    printf("Enter the length of the rectangle: ");
    scanf("%f", &length);

    printf("Enter the width of the rectangle: ");
    scanf("%f", &width);

    // Calculate the area of the rectangle
    area = length * width;

    // Display the result
    printf("The area of the rectangle with length %.2f and width %.2f is %.2f\n", length, width, area);

    return 0;
}

#include <stdio.h>

int main() {
  int x = 10;
  int y = 20;

  printf("Before swapping, x = %d and y = %d\n", x, y);

  // Swap the values of x and y
  int temp = x;
  x = y;
  y = temp;

  printf("After swapping, x = %d and y = %d\n", x, y);

  return 0;
}

#include <stdio.h>

int main() {
  float principal, rate, time, si;

  printf("Enter the principal: ");
  scanf("%f", &principal);

  printf("Enter the rate of interest: ");
  scanf("%f", &rate);

  printf("Enter the time period (in years): ");
  scanf("%f", &time);

  si = (principal * rate * time) / 100;

  printf("The simple interest is %f\n", si);

  return 0;
}

#include <stdio.h>

int main() {
  int number;

  printf("Enter a number: ");
  scanf("%d", &number);

  if (number % 2 == 0) {
    printf("The number is even.\n");
  } else {
    printf("The number is odd.\n");
  }

  return 0;
}

#include <stdio.h>

int main() {
  int n, evenSum = 0, oddSum = 0, number;

  printf("Enter the number of terms: ");
  scanf("%d", &n);

  for (int i = 1; i <= n; i++) {
    printf("Enter the %dth number: ", i);
    scanf("%d", &number);

    if (number % 2 == 0) {
      evenSum += number;
    } else {
      oddSum += number;
    }
  }

  printf("The sum of even numbers is %d\n", evenSum);
  printf("The sum of odd numbers is %d\n", oddSum);

  return 0;
}

#include <stdio.h>

int main() {
  int number;

  printf("Enter a number: ");
  scanf("%d", &number);

  if (number > 0) {
    printf("The number is positive.\n");
  } else if (number < 0) {
    printf("The number is negative.\n");
  } else {
    printf("The number is zero.\n");
  }

  return 0;
}

#include <stdio.h>

int main() {
  int num1, num2, num3, largest;

  printf("Enter three numbers: ");
  scanf("%d %d %d", &num1, &num2, &num3);

  if (num1 > num2 && num1 > num3) {
    printf("Num1 is Largest");
  } else if (num2 > num1 && num2> num3) {
    printf("Num2 is Largest");
  }
  else {
   printf("Num3 is Largest");
}

  return 0;
}

#include <stdio.h>

int main() {
  int n, i, flag = 0;

  printf("Enter a number: ");
  scanf("%d", &n);

  for (i = 2; i <= n / 2; i++) {
    if (n % i == 0) {
      flag = 1;
      break;
    }
  }

  if (flag == 0) {
    printf("%d is a prime number.\n", n);
  } else {
    printf("%d is not a prime number.\n", n);
  }

  return 0;
}

#include <stdio.h>

int main() {
  int n, temp, digit, sum = 0;

  printf("Enter a number: ");
  scanf("%d", &n);

  temp = n;
  while (temp > 0) {
    digit = temp % 10;
    sum = sum + digit * digit * digit;
    temp = temp / 10;
  }

  if (n == sum) {
    printf("%d is an Armstrong number.\n", n);
  } else {
    printf("%d is not an Armstrong number.\n", n);
  }

  return 0;
}

#include <stdio.h>

int main() {
  int n, temp, rev = 0, digit;

  printf("Enter a number: ");
  scanf("%d", &n);

  temp = n;
  while (temp > 0) {
    digit = temp % 10;
    rev = rev * 10 + digit;
    temp = temp / 10;
  }

  if (n == rev) {
    printf("%d is a palindrome number.\n", n);
  } else {
    printf("%d is not a palindrome number.\n", n);
  }

  return 0;
}

#include <stdio.h>
 
int main(void)
{
    int num, reverse = 0, temp, remainder;
    printf("Enter the number:\n");
    scanf("%d", &num);
    temp = num;
    while (num > 0)
    {
        remainder = num % 10;
        reverse = reverse * 10 + remainder;
        num /= 10;
    }
    printf("Given number = %d\n", temp);
    printf("Reverse of a Number is %d\n", reverse);
}

#include <stdio.h>

int main() {
  int days, years, months, days_left;

  printf("Enter the number of days: ");
  scanf("%d", &days);

  years = days / 365;
  days_left = days % 365;

  months = days_left / 30;
  days = days_left % 30;

  printf("%d days is equivalent to %d years, %d months and %d days\n", days, years, months, days);

  return 0;
}

#include <stdio.h>

int main() {
    int age;

    // Read age from user input
    printf("Enter your age: ");
    scanf("%d", &age);

    // Check eligibility for voting
    if (age >= 18) {
        printf("You are eligible to vote.\n");
    } else {
        printf("You are not eligible to vote.\n");
    }

    return 0;
}

#include <stdio.h>

int main() {
    char ch;

    // Read a character from user input
    printf("Enter a character: ");
    scanf("%c", &ch);

    // Determine if the character is lowercase or uppercase alphabet
    if (ch >= 'a' && ch <= 'z') {
        printf("The character is a lowercase alphabet.\n");
    } else if (ch >= 'A' && ch <= 'Z') {
        printf("The character is an uppercase alphabet.\n");
    } else {
        printf("The character is not an alphabet.\n");
    }

    return 0;
}

#include <stdio.h>

int main() {
    int marks;

    // Read marks from user input
    printf("Enter marks: ");
    scanf("%d", &marks);

    // Nested if statements to check grade based on marks
    if (marks >= 90) {
        printf("Grade: A\n");
    } else if (marks >= 80) {
        printf("Grade: B\n");
    } else if (marks >= 70) {
        printf("Grade: C\n");
    } else if (marks >= 60) {
        printf("Grade: D\n");
    } else {
        printf("Grade: F\n");
    }

    return 0;
}

#include <stdio.h>

int main() {
    int day;

    // Read a number from user input
    printf("Enter a number (1-7) to represent a day of the week: ");
    scanf("%d", &day);

    // Use switch statement to determine the day of the week
    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 input. Please enter a number between 1 and 7.\n");
    }

    return 0;
}

#include <stdio.h>

int main() {
    char ch;

    // Read a character from user input
    printf("Enter an alphabet: ");
    scanf(" %c", &ch);

    // Convert the character to lowercase for easier comparison
    ch = tolower(ch);

    // Check if the character is a vowel or a consonant using switch statement
    switch (ch) {
        case 'a':
        case 'e':
        case 'i':
        case 'o':
        case 'u':
            printf("The character is a vowel.\n");
            break;
        default:
            if ((ch >= 'a' && ch <= 'z')) {
                printf("The character is a consonant.\n");
            } else {
                printf("Invalid input. Please enter an alphabet.\n");
            }
    }

    return 0;
}

#include <stdio.h>

int main() {
    char operator;
    int num1, num2, result;

    // Read operator and two numbers from user input
    printf("Enter two numbers: ");
    scanf("%d %d", &num1, &num2);
    
     printf("Enter an operator (+, -, *, /): ");
    scanf(" %c", &operator);

    // Perform calculations based on the operator using switch statement
    switch (operator) {
        case '+':
            result = num1 + num2;
            printf("Result: %d\n", result);
            break;
        case '-':
            result = num1 - num2;
            printf("Result: %d\n", result);
            break;
        case '*':
            result = num1 * num2;
            printf("Result: %d\n", result);
            break;
        case '/':
            if (num2 != 0) {
                result = num1 / num2;
                printf("Result: %d\n", result);
            } else {
                printf("Error: Division by zero is not allowed.\n");
            }
            break;
        default:
            printf("Invalid operator.\n");
    }

    return 0;
}

#include <stdio.h>

int main() {
    int choice;
    int balance = 1000; // Initial account balance (in cents)

    // Display ATM menu and read user's choice
    printf("Welcome to the ATM!\n");
    printf("1. Check Balance\n");
    printf("2. Deposit\n");
    printf("3. Withdraw\n");
    printf("4. Exit\n");
    printf("Enter your choice (1/2/3/4): ");
    scanf("%d", &choice);

    // Perform the selected operation based on the switch statement
    switch (choice) {
        case 1:
            printf("Your current balance: $%d.%02d\n", balance / 100, balance % 100);
            break;
        case 2:
            int depositAmount;
            printf("Enter the deposit amount: $");
            scanf("%d", &depositAmount);
            balance += depositAmount;
            printf("Deposit successful. Your new balance: $%d.%02d\n", balance / 100, balance % 100);
            break;
        case 3:
            int withdrawAmount;
            printf("Enter the withdrawal amount: $");
            scanf("%d", &withdrawAmount);
            if (withdrawAmount <= balance) {
                balance -= withdrawAmount;
                printf("Withdrawal successful. Your new balance: $%d.%02d\n", balance / 100, balance % 100);
            } else {
                printf("Insufficient funds.\n");
            }
            break;
        case 4:
            printf("Thank you for using the ATM. Have a nice day!\n");
            break;
        default:
            printf("Invalid choice.\n");
    }

    return 0;
}

#include <stdio.h>

int main() {
    int category, item;

    // Display menu and read user's choice
    printf("Menu:\n");
    printf("1. Food\n");
    printf("2. Clothing\n");
    printf("3. Electronics\n");
    printf("Enter a category (1/2/3): ");
    scanf("%d", &category);

    switch (category) {
        case 1:
            printf("Food Menu:\n");
            printf("1. Pizza\n");
            printf("2. Burger\n");
            printf("3. Pasta\n");
            printf("Enter an item (1/2/3): ");
            scanf("%d", &item);

            switch (item) {
                case 1:
                    printf("You selected Pizza.\n");
                    break;
                case 2:
                    printf("You selected Burger.\n");
                    break;
                case 3:
                    printf("You selected Pasta.\n");
                    break;
                default:
                    printf("Invalid item.\n");
            }
            break;

        case 2:
            printf("Clothing Menu:\n");
            printf("1. T-shirt\n");
            printf("2. Jeans\n");
            printf("3. Dress\n");
            printf("Enter an item (1/2/3): ");
            scanf("%d", &item);

            switch (item) {
                case 1:
                    printf("You selected T-shirt.\n");
                    break;
                case 2:
                    printf("You selected Jeans.\n");
                    break;
                case 3:
                    printf("You selected Dress.\n");
                    break;
                default:
                    printf("Invalid item.\n");
            }
            break;

        case 3:
            printf("Electronics Menu:\n");
            printf("1. Smartphone\n");
            printf("2. Laptop\n");
            printf("3. Headphones\n");
            printf("Enter an item (1/2/3): ");
            scanf("%d", &item);

            switch (item) {
                case 1:
                    printf("You selected Smartphone.\n");
                    break;
                case 2:
                    printf("You selected Laptop.\n");
                    break;
                case 3:
                    printf("You selected Headphones.\n");
                    break;
                default:
                    printf("Invalid item.\n");
            }
            break;

        default:
            printf("Invalid category.\n");
    }

    return 0;
}

#include <stdio.h>

int main() {
    int light;

    // Display menu and read user's choice
    printf("Traffic Light Simulator:\n");
    printf("1. Red\n");
    printf("2. Green\n");
    printf("3. Yellow\n");
    printf("Enter the current light (1/2/3): ");
    scanf("%d", &light);

    switch (light) {
        case 1:
            printf("Stop! Red light.\n");
            break;
        case 2:
            printf("Go! Green light.\n");
            break;
        case 3:
            printf("Prepare to stop! Yellow light.\n");
            break;
        default:
            printf("Invalid light signal.\n");
    }

    return 0;
}

#include <stdio.h>

int main() {
    for (int i = 0; i < 5; i++) {
        printf("Hello, World!\n");
    }

    return 0;
}

#include <stdio.h>

int main() {
    printf("Natural numbers from 1 to 10:\n");

    for (int i = 1; i <= 10; i++) {
        printf("%d\n", i);
    }

    return 0;
}

#include <stdio.h>

int main() {
    printf("Even numbers between 1 and 10:\n");

    for (int i = 2; i <= 10; i += 2) {
        printf("%d\n", i);
    }

    return 0;
}

#include <stdio.h>

int main() {
    printf("Multiples of 5 between 10 and 50:\n");

    for (int i = 10; i <= 50; i += 5) {
        printf("%d\n", i);
    }

    return 0;
}

#include <stdio.h>

int main() {
    int n=5;


    for (int i = 1; i <= n; i++) {
        for (int j = 1; j <= i; j++) {
            printf("* ");
        }
        printf("\n");
    }

    return 0;
}