ЯсноПонятно24

package main

import ( "fmt" "net/http" "strconv" )

func fibonacci(n int) int { if n <= 1 { return n } return fibonacci(n-1) + fibonacci(n-2) }

func fibonacciHandler(w http.ResponseWriter, r *http.Request) { query := r.URL.Query() nStr := query.Get("n") n, err := strconv.Atoi(nStr) if err != nil { http.Error(w, "Invalid input", http.StatusBadRequest) return }

result := fibonacci(n)
fmt.Fprintf(w, "Fibonacci number at position %d is %d", n, result)

}

func main() { http.HandleFunc("/fibonacci", fibonacciHandler) fmt.Println("Server is running on port 8080") http.ListenAndServe(":8080", nil) }