6.11: C++ Examples
- Page ID
- 10681
\( \newcommand{\vecs}[1]{\overset { \scriptstyle \rightharpoonup} {\mathbf{#1}} } \) \( \newcommand{\vecd}[1]{\overset{-\!-\!\rightharpoonup}{\vphantom{a}\smash {#1}}} \)\(\newcommand{\id}{\mathrm{id}}\) \( \newcommand{\Span}{\mathrm{span}}\) \( \newcommand{\kernel}{\mathrm{null}\,}\) \( \newcommand{\range}{\mathrm{range}\,}\) \( \newcommand{\RealPart}{\mathrm{Re}}\) \( \newcommand{\ImaginaryPart}{\mathrm{Im}}\) \( \newcommand{\Argument}{\mathrm{Arg}}\) \( \newcommand{\norm}[1]{\| #1 \|}\) \( \newcommand{\inner}[2]{\langle #1, #2 \rangle}\) \( \newcommand{\Span}{\mathrm{span}}\) \(\newcommand{\id}{\mathrm{id}}\) \( \newcommand{\Span}{\mathrm{span}}\) \( \newcommand{\kernel}{\mathrm{null}\,}\) \( \newcommand{\range}{\mathrm{range}\,}\) \( \newcommand{\RealPart}{\mathrm{Re}}\) \( \newcommand{\ImaginaryPart}{\mathrm{Im}}\) \( \newcommand{\Argument}{\mathrm{Arg}}\) \( \newcommand{\norm}[1]{\| #1 \|}\) \( \newcommand{\inner}[2]{\langle #1, #2 \rangle}\) \( \newcommand{\Span}{\mathrm{span}}\)\(\newcommand{\AA}{\unicode[.8,0]{x212B}}\)
Arrays
// This program demonstrates array processing, including: // display, total, max, min, parallel arrays, sort // multidimensional arrays, and dynamic arrays. #include #include #include #include #include using namespace std; void displayArray(int [], int); int sum(int [], int); int max(int [], int); int min(int [], int); void displayParallel(string [], int [], int); void displayMultidimensional(); void dynamicArray(); int main() { string names[] = {"Lisa", "Michael", "Ashley", "Jacob", "Emily"}; int ages[] = {49, 48, 26, 19, 16}; displayArray(ages, sizeof(ages) / sizeof(int)); int total = sum(ages, sizeof(ages) / sizeof(int)); int maximum = max(ages, sizeof(ages) / sizeof(int)); int minimum = min(ages, sizeof(ages) / sizeof(int)); cout << "total: " << total << endl; cout << "maximum: " << maximum << endl; cout << "minimum: " << minimum << endl; displayParallel(names, ages, sizeof(ages) / sizeof(int)); sort(ages, ages + sizeof(ages) / sizeof(int)); displayArray(ages, sizeof(ages) / sizeof(int)); displayMultidimensional(); dynamicArray(); return 0; } void displayArray(int arry[], int size) { for (int index = 0; index < size; index++) { cout << "array[" << index << "] = " << arry[index] << endl; } } int sum(int arry[], int size) { int total = 0; for (int index = 0; index < size; index++) { total += arry[index]; } return total; } int max(int arry[], int size) { int maximum = arry[0]; for (int index = 1; index < size; index++) { if (maximum < arry[index]) { maximum = arry[index]; } } return maximum; } int min(int arry[], int size) { int minimum = arry[0]; for (int index = 1; index < size; index++) { if (minimum > arry[index]) { minimum = arry[index]; } } return minimum; } void displayParallel(string names[], int ages[], int size) { for (int index = 0; index < size; index++) { cout << names[index] << " is " << ages[index] << " years old" << endl; } } void displayMultidimensional() { string game[3][3] = { {"X", "O", "X"}, {"O", "O", "O"}, {"X", "O", "X"} }; for (int row = 0; row < 3; row++) { for (int column = 0; column < 3; column++) { cout << (game[row][column]); if (column < 2) { cout << " | "; } } cout << endl; } } void dynamicArray() { list<int> arry; srand (time(NULL)); for (int index = 0; index < 5; index++) { int number = rand() % 100; arry.push_back(number); } for (list<int>::iterator it = arry.begin(); it != arry.end(); it++) { cout << *it << endl; } }
Output
array[0] = 49 array[1] = 48 array[2] = 26 array[3] = 19 array[4] = 16 total: 158 maximum: 49 minimum: 16 Lisa is 49 years old Michael is 48 years old Ashley is 26 years old Jacob is 19 years old Emily is 16 years old array[0] = 16 array[1] = 19 array[2] = 26 array[3] = 48 array[4] = 49 X | O | X O | O | O X | O | X 38 65 20 8 30