func Fetch(urls []string, maxConcurrent int) []Result

urls := []string{
    "https://example.com",
    "https://google.com",
    "https://github.com",
}
results := Fetch(urls, 2) // не более 2 запросов одновременно

import "math"
 
func angleClock(hour int, minutes int) float64 {
 
    const (
        oneMinuteAngle = 6.0
        oneHourAngle = 30.0
        oneMinuteForHourAngle = .5
    )
 
    if hour >= 12 {
        hour -= 12
    }
 
    minutesAngle := float64(minutes) * oneMinuteAngle
    hourAngle

// [url]https://leetcode.com/studyplan/top-interview-150/[/url]
 
package topInterview
 
// convert
//
// 6. Zigzag Conversion
//
// The string "PAYPALISHIRING" is written in a zigzag pattern on a given number of rows like this: (you may want to display this pattern in a fixed font for better legibility)
//

// [url]https://leetcode.com/studyplan/top-interview-150/[/url]
 
package topInterview
 
import (
    "strings"
)
 
// reverseWords
//
// 151. Reverse Words in a String

// [url]https://leetcode.com/studyplan/top-interview-150/[/url]
 
package topInterview
 
// longestCommonPrefix
//
// 14. Longest Common Prefix
//
// Write a function to find the longest common prefix string amongst an array of strings.
//
// If there is no common prefix, return an empty string "".
//

// [url]https://leetcode.com/studyplan/top-interview-150/[/url]
 
package topInterview
 
// lengthOfLastWord
//
// 58. Length of Last Word
// Given a string s consisting of words and spaces, return the length of the last word in the string.
//
// A word is a maximal
// substring
//
//  consisting of non-space characters only.
//
// Example 1:

// [url]https://leetcode.com/studyplan/top-interview-150/[/url]
 
package topInterview
 
import (
    "bytes"
 
// intToRoman
//
// 12. Integer to Roman
//
// Seven different symbols represent Roman numerals with the following values:
//
// Symbol      Value
// I     1
// V     5
// X

// [url]https://leetcode.com/studyplan/top-interview-150/[/url]
 
package topInterview
 
// romanToInt
//
// 13. Roman to Integer
//
// Roman numerals are represented by seven different symbols: I, V, X, L, C, D and M.
//
// Symbol       Value
// I             1
// V             5
// X             10

// [url]https://leetcode.com/studyplan/top-interview-150/[/url]
 
package topInterview
 
// candy
//
// 135. Candy
// There are n children standing

// [url]https://leetcode.com/studyplan/top-interview-150/[/url]
 
package topInterview
 
// productExceptSelf
//
// 238. Product of Array Except Self
// Medium
// Topics
// Companies
// Hint
// Given

type RandomizedSet interface {
 // Insert Добавляет элемент к списку уникальных элементов
 // в случае успеха возвращает ИСТИНУ
 // в обратном случае ЛОЖЬ
 Insert(val int) bool
 // Remove Удаляет элемент из списка уникальных

// [url]https://leetcode.com/studyplan/top-interview-150/[/url]
 
package topInterview
 
import (
    "sort"
)
 
// hIndex
//
// 274. H-Index
//
// Given an array of integers citations where citations[i] is the number of citations a researcher received

// [url]https://leetcode.com/studyplan/top-interview-150/[/url]
 
package topInterview
 
// jump
//

// [url]https://leetcode.com/studyplan/top-interview-150/[/url]
 
package topInterview
 
// canJump
//
// 55. Jump Game
// You are given an integer array nums. You are initially positioned at the array's

// [url]https://leetcode.com/studyplan/top-interview-150/[/url]
 
package topInterview
 
// maxProfitII
// 
// 122. Best Time to Buy and Sell Stock II
// 
// You are given an integer array prices where prices[i] is the price of a given stock on the ith day.
// 
// On each day,

// [url]https://leetcode.com/studyplan/top-interview-150/[/url]
 
package topInterview
 
// maxProfit
//
// 121. Best Time to Buy and Sell Stock
// You are given an array prices where prices[i] is the price of a given stock on the ith day.
//
// You want to maximize your profit

// [url]https://leetcode.com/studyplan/top-interview-150/[/url]
 
package topInterview
 
// majorityElement
//
// 169. Majority Element
// Given an array nums of size n, return the majority element.
//
// The majority element is the element that appears

package topInterview
 
// [url]https://leetcode.com/studyplan/top-interview-150/[/url]
 
// merge problem
//
// 88. Merge Sorted Array
//
// You are given two integer arrays nums1 and nums2, sorted in non-decreasing order, and two integers m and n,
// representing the number of elements in nums1 and nums2 respectively.
//
// Merge nums1 and nums2 into a single array sorted in non-decreasing order.
// The final sorted array should