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

3 votes186 views2 answers
C++ find string in string
C++
46 votes203 views3 answers
Data types in c++
C++
0 vote177 views1 answer
Get type of variable in c++
C++
1 vote190 views1 answer
Include spaces while reading strings in cpp
C++
0 vote199 views2 answers
Find prime number c++
C++
10 votes147 views2 answers
Last index of string c++
C++
0 vote193 views1 answer
Lexene token pairs of java codes
C++
0 vote182 views1 answer
Taking integer input from file in c++
C++
0 vote192 views1 answer
How to get the last element of an array in C++ using std::array
C++
1 vote164 views1 answer
Arduino funktion
C++