03. Train The Trainers

package main

import "fmt"

func main() {
    var juryCount, presentationCount int
    fmt.Scanln(&juryCount)

    var totalScores = 0.0

    var presentation = ""
    fmt.Scanln(&presentation)

    for ; presentation != "Finish"; {
        var score, sumScores float64
        for i := 0; i < juryCount; i++ {
            fmt.Scanln(&score)
            sumScores += score
        }
        fmt.Printf("%s - %.2f.\n", presentation, sumScores / float64(juryCount))
        totalScores += sumScores
        presentationCount++
        fmt.Scanln(&presentation)
    }

    fmt.Printf("Student's final assessment is %.2f.\n", totalScores / float64(presentationCount * juryCount))
}