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Merge Sort in C++

  Merge Sort in C++ Introduction Merge Sort is a popular sorting algorithm that follows the Divide and Conquer approach. It divides an array into smaller subarrays, recursively sorts those subarrays, and finally merges the sorted subarrays to produce a completely sorted array. In this tutorial, we will learn how to implement Merge Sort in C++ . The program divides the array into two halves using the mid index, recursively sorts both halves, and then combines them using the merge() function. Merge Sort has a time complexity of O(n log n) in the best, average, and worst cases. Table of Contents Algorithm C++ Program Input Sample Output Output Explanation Dry Run Flow of Execution Time Complexity Space Complexity Applications Key Points Interview Questions Frequently Asked Questions Keywords Conclusion Algorithm Start the program. Read the size of the array. Read the array elements from the user. Call the mer...
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Print Odd Numbers Between Range in C

Print Odd Numbers Between Range in C

✅ C Program to Print Odd Numbers Between Two Numbers

#include <stdio.h>

int main() {
    int start, end;

    printf("Enter the starting number: ");
    scanf("%d", &start);
    printf("Enter the ending number: ");
    scanf("%d", &end);

    if (start > end) {
        printf("Invalid input! Starting number must be less than or equal to ending number.\n");
        return 1;
    }

    printf("Odd numbers between %d and %d are:\n", start, end);

    for (int i = start; i <= end; i++) {
        if (i % 2 != 0) {
            printf("%d ", i);
        }
    }

    printf("\n");
    return 0;
}

📘 Explanation:

✅ This program takes a range (start and end number) from the user.
✅ It checks for invalid input where the start is greater than end.
✅ It uses a for loop to iterate through the range.
✅ The i % 2 != 0 condition filters out the odd numbers.
✅ Each odd number in the range is printed in a single line.

🧾 Sample Output:

Enter the starting number: 10
Enter the ending number: 20
Odd numbers between 10 and 20 are:
11 13 15 17 19

🔑 Keywords:

Print odd numbers in C, range loop in C, C loop example, check odd in C, beginner C logic, % operator C

📌 Hashtags:

#CProgramming #OddNumbers #BeginnerC #NumberPatterns #ForLoop #InterviewPrep #CodingLogic

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