/* Using pointers to manipulate a string and for calculating the amount of lower and upper cases and vowels. FuNnYw*rD -> try it!! */ // Standard header files #include #include // for strcpy_s and strlen functions // Macro's #define BUFFER 256 // max. length of string #define ENDL2 endl << endl // to lazy for typing two times endl ;) // namespaces using namespace std; // the start of the program int main() { // Declaring and initializing program variables char cszInput[BUFFER] = {}; // for storing users input char cszUpper[BUFFER] = {}; // for manipulating users input into upper cases char cszLower[BUFFER] = {}; // for manipulating users input into lower cases // The counters never can be lower then zero, that's why unsigned, // and they never will be big, that's why they are shorts unsigned short unsUpperCounter = 0; // for counting the upper cases unsigned short unsLowerCounter = 0; // for counting the lower cases unsigned short unsVowelCounter = 0; // for counting the vowels // Pointers for loop purpose and character manipulation char* pcInput = cszInput; // for reading input and loop termination char* pcUpper = cszUpper; // for manipulating the upper string char* pcLower = cszLower; // for manipulating the lower string // Get users input and stored it in its variable cout << "Enter a FuNny word: "; cin >> cszInput; // Copy user input into the upper and lower case strings, // so we don't have to manipulate the upper or lower cases if they're // already in place strcpy_s (cszUpper, BUFFER, cszInput); strcpy_s (cszLower, BUFFER, cszInput); // Loop until end of the users input string. // In C++ a string end with a null character = '\0' while (*pcInput != '\0') { // Do we have a character in the upper range? (equals: >= 65 || <= 91) if (*pcInput >= 'A' && *pcInput <= 'Z') { // Yes, then increase the upper case counter unsUpperCounter++; // Since it is an upper case add 32 for its lower case. // ('A' == 65, 65 + 32 = 97, 97 == 'a') *pcLower = *pcInput + 32; // Is character one of the vowels? if (*pcInput == 'A' || *pcInput == 'E' || *pcInput == 'I' || *pcInput == 'O' || *pcInput == 'U') unsVowelCounter++; // Yes, then increase the vowel counter } // No, do we have a character in the lower range? (equals: >= 97 || <= 123) else if (*pcInput >= 'a' && *pcInput <= 'z') { // Yes, then increase the lower case counter unsLowerCounter++; // Since it is an lower case decrease 32 for its upper case. // ('a' == 97, 97 - 32 = 65, 65 == 'A') *pcUpper = *pcInput - 32; // Is character one of the vowels? if (*pcInput == 'a' || *pcInput == 'e' || *pcInput == 'i' || *pcInput == 'o' || *pcInput == 'u') unsVowelCounter++; // Yes, then increase the vowel counter } // Move to the next memory address, the next character in the array pcInput++; pcLower++; pcUpper++; } // Output the results cout << endl << "You entered FuNnY word: " << cszInput; cout << endl << "In upper cases your FuNnY word is: " << cszUpper; cout << endl << "In lower cases your FuNnY word is: " << cszLower; cout << ENDL2 << "Your FuNnY word has in total " << strlen(cszInput) << " characters, " << unsUpperCounter << " upper case(s), " << unsLowerCounter << " lower case character(s) and " << unsVowelCounter << " vowel(s)."; return 0; // Bye bye!! }

FuNnYw*Rd