c++ max big n code example

Example 1: c++ get maximum value unsigned int

// C
#include <limits.h>
unsigned int max_unsigned_int_size = UINT_MAX;

// C++
#include <limits>
unsigned int max_unsigned_int_size = std::numeric_limits<unsigned int>::max();

Example 2: c++ optimize big int array

// https://stackoverflow.com/questions/9674636/c-optimize-array-of-ints