Radely James for bloomberg.

interviews/radley_james/online_test.cpp

@@ -0,0 +1,140 @@
+/*
+VIM: let g:lcppflags="-std=c++11 -O2 -pthread"
+VIM: let g:wcppflags="/O2 /EHsc /DWIN32"
+VIM: let g:argv=""
+*/
+#include <iostream>
+#include <stdexcept>
+#include <vector>
+#include <algorithm>
+#include <string>
+#include <fstream>
+
+/*
+#1	print numbers from 1 to N and if i is 3 mutltiple print "Fizz", if 5 multiple "Buzz".
+	If both then "FizzBuzz". Otherwise print number.
+
+	int N;
+	std::cin >> N;
+	
+	for (int i = 1; i <= N; i++)
+	{
+		if (!(i % 3))
+			std::cout << "Fizz";
+		if (!(i % 5))
+			std::cout << "Buzz";
+		if ((i % 3) && (i % 5))
+			std::cout << i;
+		std::cout << std::endl;
+	}
+*/
+
+/*
+#2	print complement of N. 
+
+	unsigned int c = 1;
+	unsigned int b = N;
+	while (b)
+	{
+		b >>= 1;
+		c <<= 1;
+	}
+	return c-1-N;
+
+alternative:
+	if ( !N )
+		return 0;
+
+	unsigned int b = N;
+	while ((b&(b-1)))
+		auto n = b&(b-1);
+	return (b<<1)-1-N;
+*/
+
+/*
+	#3
+	char a[] = "";
+	sizeof(a)?
+*/
+
+/*
+#4
+struct A {
+	int x;
+	A(int a) : x(a) {}
+	A( const A& a ) { x=a.x; x++; }
+	opertaor = ... { x=a.x; x--; }
+};
+
+A a(4);
+A b = a;
+std::cout << b.x;
+
+3?
+4?
+5?
+*/
+
+/*
+#5
+struct A {
+	int u;
+	int l;
+
+	A(int i) : l(i), u(l + 1) {}
+};
+
+A a(5);
+print a.l a.u
+
+5 6
+compilation fail
+5 garbage ?
+
+*/
+
+//#6
+/*
+struct A {
+	int d;
+	virtual ~A(){}
+};
+sizeof(A)? 8 || 16
+*/
+
+//#7
+/*
+
+conceptual support for function call
+
+system stack
+data segment
+processor's register
+text segment
+heap
+*/
+
+int main ( void )
+{try{
+
+
+	A a(5);
+	std::cout << a.l << ' ' << a.u ;
+
+	char c;
+	std::cin >> c;
+	return 0;
+}
+catch ( const std::exception& e )
+{
+	std::cerr << std::endl
+			<< "std::exception(\"" << e.what() << "\")." << std::endl;
+	return 2;
+}
+catch ( ... )
+{
+	std::cerr  << std::endl
+			<< "unknown exception." << std::endl;
+	return 1;
+}}
+