<prompt> Kutokana na kamba s, angalia kama inaweza kujengwa kwa kuchukua substring yake na kuongeza nakala nyingi za substring pamoja. C suluhisho ni?  <response>: Heres a possible C implementation for the task:bool repeatedSubstringPatternstring s int n s.size; forint len 1; len n2; len ifn len 0 string sub s.substr0, len; int k len; whilek n s.substrk, len sub k len; ifk n substring s0, len-1 can be repeated return true; return false;The function takes a string s as input and returns a boolean value indicating whether s can be constructed by taking a substring of it and appending multiple copies of the substring together.The function loops through all possible substring lengths len from 1 to n2, where n is the length of s. For each length len, it checks if n is a multiple of len, so that we can form repeated copies of the substring.If n is a multiple of len, we extract the first len characters of s as the substring sub. We then iterate over the rest of s in chunks of length len, checking if each chunk matches sub. If all chunks match sub, we have found a repeating substring of length len, and we return true.If no repeating substring is found, we return false. 