3-running.go 288 B

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  1. package main
  2. import (
  3. "fmt"
  4. "math"
  5. )
  6. func main() {
  7. var L, R int
  8. fmt.Scan(&L, &R)
  9. theta := float64(L) / float64(R)
  10. fmt.Printf("%.3f %.3f\n", float64(R)*math.Cos(theta), float64(R)*math.Sin(-theta))
  11. fmt.Printf("%.3f %.3f", float64(R)*math.Cos(theta), float64(R)*math.Sin(theta))
  12. }