카타 8급 Multiply

1 Bash

#!/bin/bash -e
a=$1
b=$2
expr $a \* $b

#!/bin/bash -e
a=$1
b=$2
echo $((a*b))

2 C

int multiply(int a, int b) {
  return a * b;
}

3 C++

int multiply(int a, int b)
{
    return a * b;
}

4 Go

package multiply

func Multiply(a, b int) int {
  return a * b
}

5 PHP

function multiply($a, $b) {
  return $a * $b;
}

6 R

mul <- function(a, b) {
  a * b
}

mul <- function(a, b) {
  return(a * b);
}

mul <- `*`

mul = `*`