// File: time_complexity_test.go // Created Time: 2022-12-13 // Author: msk397 (machangxinq@gmail.com) package chapter_computational_complexity import ( "fmt" "testing" ) func TestTimeComplexity(t *testing.T) { n := 8 fmt.Println("输入数据大小 n =", n) count := constant(n) fmt.Println("常数阶的计算操作数量 =", count) count = linear(n) fmt.Println("线性阶的计算操作数量 =", count) count = arrayTraversal(make([]int, n)) fmt.Println("线性阶(遍历数组)的计算操作数量 =", count) count = quadratic(n) fmt.Println("平方阶的计算操作数量 =", count) nums := make([]int, n) for i := 0; i < n; i++ { nums[i] = n - i } count = bubbleSort(nums) fmt.Println("平方阶(冒泡排序)的计算操作数量 =", count) count = exponential(n) fmt.Println("指数阶(循环实现)的计算操作数量 =", count) count = expRecur(n) fmt.Println("指数阶(递归实现)的计算操作数量 =", count) count = logarithmic(float64(n)) fmt.Println("对数阶(循环实现)的计算操作数量 =", count) count = logRecur(float64(n)) fmt.Println("对数阶(递归实现)的计算操作数量 =", count) count = linearLogRecur(float64(n)) fmt.Println("线性对数阶(递归实现)的计算操作数量 =", count) count = factorialRecur(n) fmt.Println("阶乘阶(递归实现)的计算操作数量 =", count) }