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INT_MAX and INT_MIN in C/C++ and Applications
In this tutorial, we will be discussing a program to understand INT_MAX and INT_MIN in C/C++.
INT_MIN and INT_MAX are macros that are defined to set the minimum and maximum value for a variable/element.
Example
#include<bits/stdc++.h> int main(){ printf("%d\n", INT_MAX); printf("%d", INT_MIN); return 0; }
Output
2147483647 -2147483648
Application
Calculating MIN value in an array
Example
#include <bits/stdc++.h> //calculating minimum element in an array int compute_min(int arr[], int n){ int MIN = INT_MAX; for (int i = 0; i < n; i++) MIN = std::min(MIN, arr[i]); std::cout << MIN; } int main(){ int arr[] = { 2019403813, 2147389580, 2145837140, 2108938594, 2112076334 }; int n = sizeof(arr) / sizeof(arr[0]); compute_min(arr, n); return 0; }
Output
2019403813
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