Check out example codes for "ceil c++;". It will help you in understanding the concepts better.

Code Example 1

// C++ program to demonstrate ceil function 
#include <iostream> 
#include <cmath> 
using namespace std; 
  
// Driver function 
int main() 
{ 
    // using ceil function which return 
    // floor of input value 
    cout << " Ceil is : " << ceil(2.5) << endl; 
    cout << " Ceil is : " << ceil(-2.3) << endl; 
  
    return 0; 
}

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