C++ round number down

#include <iostream>
#include <cmath>

using namespace std;

int main()
{
	double num1 = 4.8;
  	double num2 = 4.3;
  	cout << floor(num1) << endl; // --> 4
  	cout << floor(num2) << endl; // --> 4
}

C++ round number up

#include <iostream>
#include <cmath>

using namespace std;

int main()
{
	double num1 = 4.8;
  	double num2 = 4.3;
  	cout << ceil(num1) << endl; // --> 5
  	cout << ceil(num2) << endl; // --> 5
}

Similar codes

9 votes256 views2 answers
Vector fin element c++
C++
2 votes246 views1 answer
Dangling Pointer
C++
0 vote272 views1 answer
9+20
C++
0 vote266 views2 answers
C++ program to find prime number using function
C++
29 votes246 views6 answers
String to char*
C++
0 vote266 views1 answer
Pragma cpp
C++
0 vote302 views1 answer
How to use printf with <cinttypes> c++
C++
3 votes246 views1 answer
What is a variable in cpp
C++
0 vote281 views2 answers
C++ map key exists
C++
20 votes256 views2 answers
Find height of a tree
C++