// input: integer float string // 100 characters maximum on the string. // Created for this challenge: // https://www.sololearn.com/post/32671 // Operator Overloading Challenge // Write a code to copy cin, cout and endl in c++ // cin: // chaining it should be possible (cin >> a >> b) // cout: // shouldn't add newline // chaining it should be possible // endl: // prints a newline and flushes the output stream #include #include // Force input prompt. #define dummy std::cin >> x // Class instance endl to flush stream. class EndLine { } endl; // Class instance cout replacing the standard one. // Supports int, float, char, and string output. // Outputting an instance of EndLine class outputs // the new line and flushes the stream. class Output { public: Output& operator<<(const int &v) { std::printf("%d", v); return *this; } // << Output& operator<<(const float &v) { std::printf("%f", v); return *this; } // << Output& operator<<(const char &v) { std::printf("%c", v); return *this; } // << Output& operator<<(const char *v) { std::printf("%s", v); return *this; } // << Output& operator<<(const EndLine &v) { std::printf("%c", '\n'); fflush(stdout); return *this; } // << } cout; // Class instance cin replacing the standard one. // Supports int, float, char, and string input. class Input { public: Input& operator>>(int &v) { std::scanf("%d", &v); return *this; } // >> Input& operator>>(float &v) { std::scanf("%f", &v); return *this; } // >> Input& operator>>(char &v) { std::scanf("%c", &v); return *this; } // >> Input& operator>>(char *v) { std::scanf("%s", v); return *this; } // >> } cin; // Read an integer, float, and string followed by // outputting them. int main() { int integer; float floating; char string[100]; cin >> integer >> floating >> string; cout << "I:" << integer << " F:" << floating << " S:" << string << endl; return 0; } // main

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