package main import sync time strings fmt const strToSearch golang con

package main

import (
	"sync"
	"time"
	"strings"
	"fmt"
)

const strToSearch = `golang`
const countStreamMax = 5

func main() {
	// Подготовка данных
	urls := []string{
		"qweqw",
		"qwegolangqwe",
		"adsda",
		"cvdxbfghrgolang",
		"vdrvdbvrt",
		"ververwbve",
		"vsvdfsvd",
		"vsvdfvdvdfsvd",
		"vsvdvdfvdffsvd",
		"vsvdfsvdfvdvd",
	}
	for i := 0; i < 100; i++ {
		urls = append(urls, urls[0:10]...)
	}

	// обработка данных
	var wg sync.WaitGroup
	var countStream int
	var countFound int
	for i := range urls {
		wg.Add(1)
		countStream++
		go func(url string) {
			if strings.Contains(url, strToSearch) {
				countFound++
			}
			countStream--
			defer wg.Done()
		}(urls[i])

		for {
			if countStream >= countStreamMax {
				time.Sleep(time.Millisecond)
			} else {
				break
			}
		}
	}

	fmt.Printf("Кол-во вхождений: %d", countFound)
}