struct card { char rank; char suit; card(char r, char s): rank(r), suit(s) { } }; card c = card('K', 'H');便利。

頻出 int gcd(int a, int b) { if (b == 0) return a; else return gcd(b, a % b); }

#include <iostream> using namespace std; int main() { int n; char c; cout << "Expecting int: "; cin >> n; cout << "Expecting char: "; cin >> c; cout << "int: " << n << " char: " << c << endl; }これをBorland C++ Compilerでコンパイル、実行する。 Expec</iostream>…