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INT_MIN constant with example in C++

C++ INT_MIN constant: Here, we are going to learn about the INT_MIN macro constant of climits header in C++.
Submitted by IncludeHelp, on May 03, 2019

C++ INT_MIN macro constant

INT_MIN constant is a macro constant which is defied in climits header, it is used to get the minimum value of a signed int object, it returns the minimum value that a signed int object can store, which is -2147483648 (on 32 bits compiler).

Note:

  • The actual value depends on the compiler architecture or library implementation.
  • We can also use <limits.h> header file instead of <climits> header as INT_MIN constant is defined in both of the libraries.

Syntax of INT_MIN constant:

    INT_MIN

Example:

    Constant call:
    cout << INT_MIN;

    Output:
    -2147483648

C++ code to demonstrate example of INT_MIN constant with climits header

// C++ code to demonstrate example of 
// INT_MIN constant with climits header
#include<iostream>
#include<climits>
using namespace std;

int main()
{
   //prinitng the value of INT_MIN
    cout<<"INT_MIN: "<<INT_MIN<<endl;
    return 0;
}

Output

INT_MIN: -2147483648

C++ code to demonstrate example of INT_MIN constant with limits.h header file

// C++ code to demonstrate example of 
// INT_MIN constant with <limits.h> header file
#include<iostream>
#include<limits.h>
using namespace std;

int main()
{
   //prinitng the value of INT_MIN
    cout<<"INT_MIN: "<<INT_MIN<<endl;
    return 0;
}

Output

INT_MIN: -2147483648






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