// Created by Gaurav Kaushik //Program description// /* Made so that it matches with the input description of sololearn code coach task description you do not have to use while(cin >> input ) ,where input is a string input from user*/ /* // changes made // 1. made a function out of the previous code that returns string array words thanks to @Jayakrishna🇮🇳 2. moved i in the for loop so it get destroyed on its own 3. input += ' ' is inside the WordsExtractor() function now as opposed to main function */ #include using namespace std; bool checkseparator(char &ch){ return (ch == ' ')?1/*:(ch == ',')?1*/:(ch == '-')?1:0; } int countwordsinstr(string &str){ //function to j ch or spaces in string int c = 0 ; char *ch = new char; *ch = ' '; int *n = new int; *n = str.length(); for(int i=0; i < *n; i ++) { if(i !=0 ){ if(checkseparator(str[i]) && !checkseparator(str[i-1])){ c++; } } } delete(n); return (c<= 0)?0:c; } string* WordsExtractor( string input , int *n) { if(input[input.length() -1] != ' ') { /* cout << input[input.length() -1] << endl;//For degugging*/ input += ' ';//adding space at the end of the line } string *words;//words array to contain formed words and word string to make words words = new string[ *n ]; bool *flag ;//*flags if there was a special character for(int j = 0, i=0; j < *n; j++){//j is words counter//i is input iterator //declared i in this loop coz i is used through out this loop and not only in while loop inside this loop //so i will go out of scope and be destroyed on its own after the words are formed in words[n] array if(input[ i ] == '\0'){ if(j != *n ){ *n -= 1; } break; } flag = new bool; *flag = 0;//reset value of *flag for words to form string word = ""; while(input[ i ] != ' ' && *flag == 0){//word maker / extractor if( !(isalnum(input[ i ])) ){//if special character is detected *flag = 1;//*flag special character found break; } if(*flag == 0){ word += input[ i ]; //appending the letters from line till there is space ' ' i ++; } } delete(flag); if( input[ i ] == '\0') break; //to break if end of line is reached if(word.length() < 1){//means word was not formed so count is offset j --; } else{ words[j] = word; //appending the changed word returned by ayawords function after conversion of the word word.clear();//clears entire string } if(input[i+1] != '\0') i ++; //to make sure entry in above while loop if there are multiple words in input word.clear();//clears entire string } return words; } int main() { string *input = "Please take user-input to make words from a line of user-input!"; /* added for spaces and punchuations for degugging*/ // getline(cin,input); int *n = new int;// made into a pointer so as to save space for rest of the program *n = countwordsinstr(input);//stores usable size of string array words[] string *words = WordsExtractor(input, n); for(int i = 0; i < *n; i++)//outputs the separated words in separate lines cout << words[i] << endl; //releasing the memory// delete[] words; delete(n); input.clear();//input is cleared at last as it may be need by you through out the program return 0; }

Extract words from a line of input using WordExtractor function