Maximum of four integer numbers P73231

Statement

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Write a function that returns the maximum of four given integer numbers a, b, c and d.

Interface

C++,C	int max4(int a, int b, int c, int d);
Java	public static int max4(int a, int b, int c, int d);
Python	max4(a, b, c, d) # returns int
	max4(a: int, b: int, c: int, d: int) -> int

Observation You only need to submit the required procedure; your main program will be ignored.

Hint

Using function max2(a, b) of exercise ‍ could be useful.

Public test cases

Input/Output

max4(10, 20, 5, 8) → 20
max4(0, -2, 15, 15) → 15
max4(-1, -2, -3, -4) → -1

Information