Series

Challenge Overview

Given a string of digits, output all the contiguous substrings of length `n` in that string.

Visit the series exercise on Exercism to read the full instructions and download the exercise files.

Community Solutions

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The following are the top 3 community solutions by stars:

Solution 1 by @bobahop (⭐ 3) — View on Exercism
Solution 2 by @elementaryrock (⭐ 0) — View on Exercism
Solution 3 by @rajatkumarcse (⭐ 0) — View on Exercism

Source: Exercism c/series

💡 View Solution

#include "series.h"
#include <string.h>
#include <stdlib.h>

slices_t slices(char *input_text, unsigned int substring_length){
    unsigned int len = strlen(input_text);
    if (len < substring_length || substring_length == 0) return (slices_t){0, NULL};
    unsigned int window_count = (len - substring_length) + 1;
    int window_len = substring_length + 1;
    size_t ptr_size =  sizeof(char *);