```1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 ``` ```// Select exercises out of Deitel and Deitel's "C++ How To Program, 3rd Ed." #include #include using namespace std; // Because I hate cmath's pow. template< typename T > T pow(T x, int n) { if( 0 == n ) return 1; T v = x; for( int i = 1; i < n; i++ ) v *= x; return v; } int main(int argv, char* argc) { // 1.33 // Display an 8x8 checkerboard pattern with as few statements as possible. for(unsigned i = 0; i < 8; i++) cout << ((i%2) ? " " : "") << "* * * * * * * *" << endl; // 1.36 // Write a program that inputs a five-digit number, separates the number // into its individual digits and displays then three spaces apart. long num = 12345; /* So that codepad produces output properly. cout << "Enter a five-digit number: "; cin >> num; */ if( !num ) cout << "0 0 0 0 0" << endl; else if( num < 10000 || num > 99999 ) cerr << "Try a five-digit number next time." << endl; else { for(int i = 5; i > 0; i--){ int n = (num / pow(10,i-1)); num -= n * pow(10,i-1); cout << left << setw(4) << n; } cout << endl; } // 1.37 // Display a table of n, n^2, and n^3 where n = [0,10] cout << left << setw(8) << "number" << setw(8) << "square" << setw(8) << "cube" << endl; for(unsigned i = 0; i <= 10; i++) cout << setw(8) << i << setw(8) << i*i << setw(8) << i*i*i << endl; return EXIT_SUCCESS; } ```
 ```1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 ``` ```* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * 1 2 3 4 5 number square cube 0 0 0 1 1 1 2 4 8 3 9 27 4 16 64 5 25 125 6 36 216 7 49 343 8 64 512 9 81 729 10 100 1000 ```