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Solve LeetCode 3 Longest Substring Without Repeating Characters in C++ using the sliding window

Longest Substring Without Repeating Characters in C++ LeetCode 3 · sliding window · last index array Table of Contents Problem Statement Approach 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 Conclusion Problem Statement 3. Longest Substring Without Repeating Characters Given a string s , find the length of the longest substring that contains no repeating characters. A substring is a continuous part of the string, so "pwke" is a subsequence of "pwwkew" but not a substring. Approach We use a sliding window . The window is the part of the string between start and end , and we always keep it free of repeated characters. An array lastIndex of size 128 remembers the most recent position of every ASCII ...

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;
}
  

๐Ÿ“˜ 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.

๐Ÿงพ Sample Output:

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

๐Ÿ”‘ Keywords:

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

๐Ÿ“Œ Hashtags:

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

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