/********************************************************************* Filename: mix_io.cpp Section: 16.9 Mixing I/O Libraries Compiler: Borland C++ Version 5.0 Summer 1996 C++ Distilled: Descriptions, Prescriptions and Style By Ira Pohl *********************************************************************/ //The mix_io program with syncronized IO. //The mix_io program with syncronized IO. #include#include unsigned long fact(int n) { unsigned long f = 1; for (int i = 2; i <= n; ++i) f *= i; return f; } int main() { int n; ios::sync_with_stdio(); do { cout << "\nEnter n positive or 0 to halt: "; scanf("%d", &n); printf("\n fact(%d) = %ld", n, fact(n)); } while (n > 0); cout << "\nend of session" << endl; }