C++ Tutorial/Data Types/unsigned long

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Материал из C\C++ эксперт

#include<iostream.h>
main()
{
  int n = 123;
  unsigned long factor=1;
  for(int i=n;i>1;i--)
    factor=factor*i;
  cout<<n<<"!="<<factor<<endl;
  return 0;
}

123!=0