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Quantum Computing – The Next Tech Revolution

Quantum Computing – The Next Tech Revolution Technology has evolved rapidly over the last few decades—from bulky mainframe computers to powerful smartphones in our pockets. Yet, despite these advances, traditional computers are approaching their physical limits. This is where quantum computing enters the scene, promising to revolutionize the way we process information and solve complex problems. What Is Quantum Computing? Quantum computing is a new paradigm of computing that uses the principles of quantum mechanics, a branch of physics that explains how matter and energy behave at the smallest scales. Unlike classical computers, which use bits that represent either 0 or 1, quantum computers use qubits. Qubits can exist in multiple states simultaneously, thanks to a property called superposition. Additionally, qubits can be interconnected through entanglement, allowing them to share information instantaneously. These unique properties give quantum computers immense computational power....

Important C programs


1) Hello World Program:

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

2) Program to Add Two Numbers:

#include<stdio.h>
int main()
{
    int num1, num2, sum;
    printf("Enter two numbers: ");
    scanf("%d %d", &num1, &num2);
    sum = num1 + num2;
    printf("Sum = %d", sum);
    return 0;
}

3) Program to Find Factorial of a Number:

#include<stdio.h>
int main()
{
    int num, i, fact=1;
    printf("Enter a number: ");
    scanf("%d", &num);
    for(i=1; i<=num; i++)
    {
        fact *= i;
    }
    printf("Factorial of %d = %d", num, fact);
    return 0;
}

4) Program to Check Whether a Number is Prime or Not:

#include<stdio.h>
int main()
{
    int num, i, flag=0;
    printf("Enter a number: ");
    scanf("%d", &num);
    for(i=2; i<=num/2; i++)
    {
        if(num%i == 0)
        {
            flag = 1;
            break;
        }
    }
    if(flag == 0)
        printf("%d is a prime number", num);
    else
        printf("%d is not a prime number", num);
    return 0;
}

5) Program to Find the Largest Number Among Three Numbers:

#include<stdio.h>
int main()
{
    int num1, num2, num3;
    printf("Enter three numbers: ");
    scanf("%d %d %d", &num1, &num2, &num3);
    if(num1 > num2 && num1 > num3)
        printf("%d is the largest number", num1);
    else if(num2 > num1 && num2 > num3)
        printf("%d is the largest number", num2);
    else
        printf("%d is the largest number", num3);
    return 0;
}

6) Program to Find the Factorial of a Number Using Recursion:

#include<stdio.h>
int factorial(int num);
int main()
{
    int num;
    printf("Enter a number: ");
    scanf("%d", &num);
    printf("Factorial of %d = %d", num, factorial(num));
    return 0;
}
int factorial(int num)
{
    if(num == 0)
        return 1;
    else
        return num * factorial(num-1);
}

7) Program to Print Fibonacci Series:

#include<stdio.h>
int main()
{
    int num, i, t1=0, t2=1, nextTerm;
    printf("Enter the number of terms: ");
    scanf("%d", &num);
    printf("Fibonacci Series: ");
    for(i=1; i<=num; i++)
    {
        printf("%d, ", t1);
        nextTerm = t1 + t2;
        t1 = t2;
        t2 = nextTerm;
    }
    return 0;
}

8) Program to Convert Celsius to Fahrenheit

#include <stdio.h>
int main() {
  float celsius, fahrenheit;
  printf("Enter temperature in Celsius: ");
  scanf("%f", &celsius);
  fahrenheit = (celsius * 1.8) + 32;
  printf("%.2f Celsius = %.2f Fahrenheit", celsius, fahrenheit);
  return 0;
}


9) Program to Check Whether a Number is Armstrong or Not:

#include<stdio.h>
#include<math.h>
int main()
{
    int num, originalNum, remainder, n=0;
    float result=0.0;
    printf("Enter an integer: ");
    scanf("%d", &num);
    originalNum = num;
    while(originalNum != 0)
    {
        originalNum /= 10;
        ++n;
    }
    originalNum = num;
    while(originalNum != 0)
    {
        remainder = originalNum % 10;
        result += pow(remainder, n);
        originalNum /= 10;
    }
    if((int)result == num)
        printf("%d is an Armstrong number.", num);
    else
        printf("%d is not an Armstrong number.", num);
    return 0;
}

10) Program to Find the Reverse of a Number:
#include<stdio.h>
int main()
{
    int num, reverse=0, remainder;
    printf("Enter an integer: ");
    scanf("%d", &num);
    while(num != 0)
    {
        remainder = num % 10;
        reverse = reverse * 10 + remainder;
        num /= 10;
    }
    printf("Reverse of the number = %d", reverse);
    return 0;
}

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