Collection of C++ programming puzzles: stimulate thinking and improve programming skills

C programming puzzles cover algorithm and data structure concepts such as Fibonacci sequence, factorial, Hamming distance, maximum and minimum values ​​of arrays, etc. By solving these puzzles, you can consolidate C knowledge and improve algorithm understanding and programming skills. .

C Collection of programming puzzles: stimulate thinking and improve programming level

Preface

Programming puzzles are a great way to stimulate creativity and improve programming skills. This article has carefully selected some C programming puzzles covering various programming concepts and algorithms to help you gain a deeper understanding of this powerful language.

Puzzle 1: Fibonacci Sequence

Question:Write a C program to print the first n numbers of the Fibonacci Sequence number.

Code:

#include <iostream>

int main() {
  int n;
  std::cout << "Enter the number of Fibonacci numbers to print: ";
  std::cin >> n;

  int a = 0, b = 1;
  std::cout << "Fibonacci Series: ";
  for (int i = 1; i <= n; i++) {
    std::cout << a << " ";
    int c = a + b;
    a = b;
    b = c;
  }
  std::cout << std::endl;

  return 0;
}

Puzzle 2: Factorial

Question: Write a C program , calculates the factorial of a given number.

Code:

#include <iostream>

int main() {
  int n;
  std::cout << "Enter the number whose factorial you want to calculate: ";
  std::cin >> n;

  int factorial = 1;
  for (int i = 1; i <= n; i++) {
    factorial *= i;
  }
  std::cout << "Factorial of " << n << " is: " << factorial << std::endl;

  return 0;
}

Puzzle 3: Hamming Distance

Question: Write a C program to calculate Hamming distance between two binary numbers.

Code:

#include <iostream>

int main() {
  int n1, n2;
  std::cout << "Enter two binary numbers: ";
  std::cin >> n1 >> n2;

  int distance = 0;
  while (n1 > 0 || n2 > 0) {
    if ((n1 % 10) != (n2 % 10)) {
      distance++;
    }
    n1 /= 10;
    n2 /= 10;
  }
  std::cout << "Hamming distance between the two numbers is: " << distance << std::endl;

  return 0;
}

Puzzle 4: Array Maximum and Minimum Value

Question: Write a C program to find the maximum and minimum values ​​in a given array.

Code:

#include <iostream>

int main() {
  int arr[] = {10, 20, 5, 15, 30};
  int size = sizeof(arr) / sizeof(arr[0]);

  int max = arr[0];
  int min = arr[0];
  for (int i = 1; i < size; i++) {
    if (arr[i] > max) {
      max = arr[i];
    }
    if (arr[i] < min) {
      min = arr[i];
    }
  }
  std::cout << "Maximum element: " << max << std::endl;
  std::cout << "Minimum element: " << min << std::endl;

  return 0;
}

Conclusion

These puzzles are designed to challenge your programming skills and stimulate your creative potential. By solving these puzzles, you will be able to solidify your C knowledge and improve your understanding of algorithms and data structures.

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