title: Maximum Points Intersection N Circles
signature: func maximumPointsIntersectionNCircles(n int) int {
test_code: package main
  
  import (
      "fmt"
      "reflect"
      "math"
      "sort"
  )
  
  // SOLUTION CODE
  // ===================================
  PLACEHOLDER_CODE_BODY
  
  // TESTING CODE
  // ===================================
  func validateSolution(actual int, expected int) bool {
      return reflect.DeepEqual(actual,expected)
  }
  
  func driver(n int, expected int) string {
      if validateSolution(PLACEHOLDER_FN_NAME(n),expected) {
              return "PASSED"
      }
      return "FAILED"
  
  }
  
  func main() {
  
      // Use imports to avoid undefined errors
      var _ = reflect.DeepEqual
      _ = math.Abs
      _ = sort.Sort
      result := ""
      result = driver(30, 870)
      fmt.Printf("TEST-0...%s\n", result)
      
      result = driver(25, 600)
      fmt.Printf("TEST-1...%s\n", result)
      
      result = driver(69, 4692)
      fmt.Printf("TEST-2...%s\n", result)
      
      result = driver(39, 1482)
      fmt.Printf("TEST-3...%s\n", result)
      
      result = driver(14, 182)
      fmt.Printf("TEST-4...%s\n", result)
      
      result = driver(60, 3540)
      fmt.Printf("TEST-5...%s\n", result)
      
      result = driver(89, 7832)
      fmt.Printf("TEST-6...%s\n", result)
      
      result = driver(27, 702)
      fmt.Printf("TEST-7...%s\n", result)
      
      result = driver(29, 812)
      fmt.Printf("TEST-8...%s\n", result)
      
      result = driver(29, 812)
      fmt.Printf("TEST-9...%s\n", result)
      
          
  }
source_py: def maximum_points_intersection_n_circles(n):
      return (n * (n - 1))
source_cpp: int maximum_points_intersection_n_circles(int n) {
    return n * ( n - 1 );
  }