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

1 vote151 views2 answers
Lambda capture as const cpp
C++
0 vote183 views1 answer
Check if float has decimals c++
C++
35 votes140 views6 answers
Ellipsis
C++
0 vote138 views1 answer
Hamming c++
C++
0 vote118 views1 answer
Take single digit integer input in c++
C++
2 votes126 views4 answers
For loop with array c++
C++
2 votes147 views1 answer
How to make a comment in c++
C++
0 vote90 views1 answer
Postorder traversal calculator
C++
1 vote93 views1 answer
Add element to start of vector c++
C++
0 vote137 views1 answer
C++ do every 1 minutes
C++