romanitalian

<?php

function isPrime($num)
{
    if ($num == 2) {
        return true;
    }
    if ($num == 1 || $num %2 == 0) {
        return false;
    }

romanitalian

function isPrime(num) {
    if (num === 2) {
        return true;
    }
    if (num <= 1 || num % 2 === 0) {
        return false
    }
    for (let div = 3; div <= Math.sqrt(num); div += 2) {
        if (num % div === 0) {
            return false;

romanitalian

node --version  
v15.0.1

romanitalian

package main

import (
   "fmt"
   "math"
   "time"
)

func isPrime(num int) bool {
   if num == 2 {

romanitalian

go version
go version go1.15.4 darwin/amd64

romanitalian

#include <iostream>
#include <cmath>
#include <time.h>

using namespace std;

bool isPrime(int num)
{
    if (num == 2) {
        return true;

romanitalian

g++ --version
Configured with: --prefix=/Library/Developer/CommandLineTools/usr --with-gxx-include-dir=/Library/Developer/CommandLineTools/SDKs/MacOSX.sdk/usr/include/c++/4.2.1
Apple clang version 11.0.3 (clang-1103.0.32.62)
Target: x86_64-apple-darwin19.6.0
Thread model: posix
InstalledDir: /Library/Developer/CommandLineTools/usr/bin

romanitalian

Model Name:                     MacBook Pro
Model Identifier:               MacBookPro14,1
Processor Name:                 Dual-Core Intel Core i5
Processor Speed:                2,3 GHz
Number of Processors:           1
Total Number of Cores:          2
L2 Cache (per Core):            256 KB
L3 Cache:                       4 MB
Hyper-Threading Technology:     Enabled
Memory:                         8 GB

romanitalian

pacakge img
 
const (
  // Default setting
  imgColorDefault = "E5E5E5"
  msgColorDefault = "AAAAAA"
  imgWDefault     = 300
  imgHDefault     = 300
  fontSizeDefault = 0
  

romanitalian

package colors
 
import (
  "image/color"
  "strconv"
)
 
type rgb struct {
  red  uint8
  green uint8