mirror of
https://github.com/krahets/hello-algo.git
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e720aa2d24
* Sync recent changes to the revised Word. * Revised the preface chapter * Revised the introduction chapter * Revised the computation complexity chapter * Revised the chapter data structure * Revised the chapter array and linked list * Revised the chapter stack and queue * Revised the chapter hashing * Revised the chapter tree * Revised the chapter heap * Revised the chapter graph * Revised the chapter searching * Reivised the sorting chapter * Revised the divide and conquer chapter * Revised the chapter backtacking * Revised the DP chapter * Revised the greedy chapter * Revised the appendix chapter * Revised the preface chapter doubly * Revised the figures
59 lines
967 B
Go
59 lines
967 B
Go
// File: iteration.go
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// Created Time: 2023-08-28
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// Author: Reanon (793584285@qq.com)
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package chapter_computational_complexity
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import "fmt"
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/* for 循环 */
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func forLoop(n int) int {
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res := 0
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// 循环求和 1, 2, ..., n-1, n
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for i := 1; i <= n; i++ {
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res += i
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}
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return res
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}
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/* while 循环 */
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func whileLoop(n int) int {
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res := 0
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// 初始化条件变量
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i := 1
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// 循环求和 1, 2, ..., n-1, n
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for i <= n {
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res += i
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// 更新条件变量
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i++
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}
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return res
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}
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/* while 循环（两次更新） */
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func whileLoopII(n int) int {
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res := 0
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// 初始化条件变量
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i := 1
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// 循环求和 1, 4, 10, ...
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for i <= n {
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res += i
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// 更新条件变量
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i++
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i *= 2
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}
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return res
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}
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/* 双层 for 循环 */
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func nestedForLoop(n int) string {
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res := ""
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// 循环 i = 1, 2, ..., n-1, n
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for i := 1; i <= n; i++ {
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for j := 1; j <= n; j++ {
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// 循环 j = 1, 2, ..., n-1, n
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res += fmt.Sprintf("(%d, %d), ", i, j)
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}
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}
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return res
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}
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