C++ examples for Data Type:int
Output integer and its 1's complement in decimal and hexadecimal.
#include <iostream> #include <iomanip> int main(){/* w w w. j a v a2 s. c o m*/ unsigned int value {}; std::cout << "Enter a positive integer: "; std::cin >> value; unsigned int inverted_value {~value}; unsigned int hex_digits {2 * sizeof(unsigned int)}; // Hex digits in value unsigned int width {hex_digits + 2}; // Add 2 for 0x prefix unsigned int column_width {2 * width}; // Output column width // Output column headings std::cout << std::right << std::setw(column_width) << "value" << std::setw(column_width) << "~value" << std::setw(column_width) << "~value+1" << std::endl; // Output hexadecimal values std::cout << std::hex << std::showbase << std::internal << std::setfill('0') << " " << std::setw(width) << value << " " << std::setw(width) << inverted_value << " " << std::setw(width) << inverted_value + 1 << std::endl; // Output decimal values std::cout << std::dec << std::setfill(' ') << std::setw(column_width) << value << std::setw(column_width) << inverted_value << std::setw(column_width) << inverted_value + 1 << std::endl; }