int max in c 2b 2b

1#include <limits>
2
3int imin = std::numeric_limits<int>::min(); // minimum value
4int imax = std::numeric_limits<int>::max(); // maximum value (2147483647)

1// largest int in c++
2signed int iMax = (unsigned int)~0 >> 1;
3// largest unsigned int
4unsigned int uMax = (unsigned int)~0;

1// max example
2#include <iostream>     // std::cout
3#include <algorithm>    // std::max
4
5int main () {
6  std::cout << "max(1,2)==" << std::max(1,2) << '\n';
7  std::cout << "max(2,1)==" << std::max(2,1) << '\n';
8  std::cout << "max('a','z')==" << std::max('a','z') << '\n';
9  std::cout << "max(3.14,2.73)==" << std::max(3.14,2.73) << '\n';
10  return 0;
11}

12147483647
2  unsigned long long int = 18 446 744 073 709 551 615