編寫具有如下函數原型的遞歸與非遞歸兩種函數f,負責判斷數組a的前n個元素是否從大到小完全有序了,是則返回true,否則返回false。并編制主函數對它們進行調用,以驗證其正確性。 bool f(int a[], int n) 提示: (1)非遞歸函數中只需逐對地判斷各a[i]與a[i+1]是否都已從大到小有序排列(i = 0,1,…,n-2)。 (2)遞歸函數中將問題分解處理為:若n=1(即只有1個元素時)則返回true而遞歸出口;n>1時,若最后一對元素不順序則返回false,否則進行遞歸調用(傳去實參a與 n-1,去判斷前n-1個元素的順序性),并返回遞歸調用的結果(與前n-1個元素的是否順序性相同)。
上傳時間: 2017-01-02
上傳用戶:清風冷雨
為了開發出適用于各種無線通信網絡的應用和業務,人們通過不斷的努力,制定了一個業界的技術標準和規范,這就是無線應用協議 [ WAP ]。無線應用環境(Wireless ApplicationE n v i r o n m e n t,WA E)是WAP協議的一部分,它定義了各種無線終端,諸如移動電話、尋呼機和個人數字助理(P D A)上使用的應用結構。
標簽: 無線通信網絡
上傳時間: 2017-03-13
上傳用戶:BIBI
The Window Design Method The basic idea behind the design of linear-phase FIR filters using the window method is to choose a proper ideal frequency-selective filter [which always has a noncausal, infinite duration impulse response] and then truncate its impulse response hd[n] to obtain a linear-phase and causal FIR filter h[n]. To truncate the impulse response of the ideal filter a time window w[n] is used. Available windows in Matlab are rectangular [or boxcar in Matlab], bartlett, hamming, hanning
標簽: linear-phase The the filters
上傳時間: 2017-03-20
上傳用戶:PresidentHuang
//建立按鈕上標簽的字符串 label = XmStringCreateSimple["Hello World!"] n = 0 XtSetArg[args[n], XmNlabelString, label] n++ button = XmCreatePushButton[toplevel, "pushbutton", args, n] XtManageChild[button] XmStringFree[label] //設置回調函數 XtAddCallback[button, XmNactivateCallback, callback, NULL]
標簽: XmStringCreateSimple XtSetArg XmNlab label
上傳時間: 2017-03-21
上傳用戶:fredguo
//建立頂級窗口 toplevel = XtVaAppInitialize[&app, "Form", NULL, 0, &argc, argv, NULL, NULL] n = 0 XtSetArg[args[n], XmNwidth, 500] n++ XtSetArg[args[n], XmNheight, 500] n++ XtSetValues[toplevel, args, n] //建立主窗口 form = XmCreateForm[toplevel, "form", NULL, 0] XtManageChild[form] //建立菜單條 n = 0 XtSetArg[args[n], XmNtopAttachment, XmATTACH_FORM] n++ XtSetArg[args[n], XmNleftAttachment, XmATTACH_FORM] n++ XtSetArg[args[n], XmNrightAttachment, XmATTACH_FORM] n++ menubar = XmCreateMenuBar[form, "menubar", args, n] XtManageChild[menubar] create_menu[menubar]
標簽: NULL XtVaAppInitialize toplevel Form
上傳時間: 2013-12-19
上傳用戶:亞亞娟娟123
//建立頂級窗口 toplevel = XtVaAppInitialize[&app, "List", NULL, 0, &argc, argv, NULL, NULL] //建立列表上的復合字符串 for[i=0 i<12 i++] str_months[i] = XmStringCreateSimple[months[i]] //建立列表 n = 0 XtSetArg[args[n], XmNitems, str_months] n++ XtSetArg[args[n], XmNitemCount, 12] n++ XtSetArg[args[n], XmNvisibleItemCount, 8] n++ //XtSetArg[args[n], XmNscrollBarDisplayPolicy, XmSTATIC] n++ //XtSetArg[args[n], XmNlistSizePolicy, XmCONSTANT] n++ XtSetArg[args[n], XmNselectionPolicy, XmEXTENDED_SELECT] n++ list = XmCreateScrolledList[toplevel, "list", args, n] XtManageChild[list] for[i=0 i<12 i++] XmStringFree[str_months[i]] //顯示窗口 XtRealizeWidget[toplevel] //進入事件循環 XtAppMainLoop[app]
標簽: NULL XtVaAppInitialize toplevel List
上傳時間: 2013-12-21
上傳用戶:asdkin
The code performs a number (ITERS) of iterations of the Bailey s 6-step FFT algorithm (following the ideas in the CMU Task parallel suite). 1.- Generates an input signal vector (dgen) with size n=n1xn2 stored in row major order In this code the size of the input signal is NN=NxN (n=NN, n1=n2=N) 2.- Transpose (tpose) A to have it stored in column major order 3.- Perform independent FFTs on the rows (cffts) 4.- Scale each element of the resulting array by a factor of w[n]**(p*q) 5.- Transpose (tpose) to prepair it for the next step 6.- Perform independent FFTs on the rows (cffts) 7.- Transpose the resulting matrix The code requires nested Parallelism.
標簽: iterations performs Bailey number
上傳時間: 2014-01-05
上傳用戶:libenshu01
介紹回歸問題中高斯過程的應用,C. E. Rasmussen & C. K. I. Williams, Gaussian Processes for Machine Learning,
上傳時間: 2017-07-25
上傳用戶:skfreeman
歐拉定理 對于互質的整數a和n,有aφ(n) ≡ 1 mod n
上傳時間: 2014-01-02
上傳用戶:330402686
1微型打印機的C語言源程序 2連接兩個鏈表 3輸入n為偶數時,調用函數求1/2+1/4+...+1/n,當輸入n為奇數時,調用函數 1/1+1/3+...+1/n(利用指針函數) 4時間函數舉例4,一個猜數游戲,判斷一個人反應快慢。 5家庭財務管理小程序
上傳時間: 2013-12-22
上傳用戶:釣鰲牧馬