/* Notes: This program does NOT take into account uppercase vs lowercase letters. This means that the user is required to use one or the other in order for the program to run correctly. getStr() function asks the user to enter two strings between 2 and 100 characters in length. */ #include #include using namespace std; typedef char* CharPtr; const int SIZE = 100; void getStr(CharPtr, CharPtr); bool containsLetter(CharPtr, CharPtr); void sortStr(CharPtr, CharPtr); void display(CharPtr, CharPtr); int main() { char str1[SIZE]; char str2[SIZE]; getStr(str1, str2); sortStr(str1, str2); display(str1, str2); return 0; } void getStr(CharPtr firstWord, CharPtr secondWord) { cout << "Enter First Word: " << endl; input1: //-- label cin >> firstWord; cout << firstWord << endl; if(strlen(firstWord) < 2 || strlen(firstWord) > SIZE) { cout << "Word is too short or long" << endl; goto input1; } cout << "Enter Second Word: " << endl; input2: //-- label cin >> secondWord; cout << secondWord << endl; if(strlen(secondWord) < 2 || strlen(secondWord) > SIZE) { cout << "Word is too short or long" << endl; goto input2; } } void sortStr(CharPtr vertical, CharPtr horizontal) { if(containsLetter(vertical, horizontal)) { if(vertical[strlen(vertical)-1] != horizontal[0]) { char swap[SIZE]; strcpy(swap, horizontal); strcpy(horizontal, vertical); strcpy(vertical, swap); } } else { cout << "\nWarning: words don't have matching letters at the beginning and end." << endl; } } bool containsLetter(CharPtr first, CharPtr second) { bool condition = false; if(first[strlen(first)-1] == second[0] || first[0] == second[strlen(second)-1]) condition = true; return condition; } void display(CharPtr arrVertical, CharPtr arrHorizontal) { int i = 0; while(arrVertical[i] != '\0' && i < SIZE) { cout << "\n" << arrVertical[i] ; i++; } i = 1; while(arrHorizontal[i] != '\0' && i < SIZE) { cout << arrHorizontal[i] ; i++; } }

Two Strings