Question

How to calculate factorial using recursion in Go

Answer 1

package main

import (
	"fmt"
)

func factorial_recursion(n int) int {
	if n == 0 {
		return 1
	}
	return n * factorial_recursion(n - 1)
}

func main() {
	fmt.Printf("f(%d) = %d\n", 5, factorial_recursion(5))
}




/*
run:

f(5) = 120

*/

 

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