數字運算,判斷一個數是否接近素數 A Niven number is a number such that the sum of its digits divides itself. For example, 111 is a Niven number because the sum of its digits is 3, which divides 111. We can also specify a number in another base b, and a number in base b is a Niven number if the sum of its digits divides its value. Given b (2 <= b <= 10) and a number in base b, determine whether it is a Niven number or not. Input Each line of input contains the base b, followed by a string of digits representing a positive integer in that base. There are no leading zeroes. The input is terminated by a line consisting of 0 alone. Output For each case, print "yes" on a line if the given number is a Niven number, and "no" otherwise. Sample Input 10 111 2 110 10 123 6 1000 8 2314 0 Sample Output yes yes no yes no
上傳時間: 2015-05-21
上傳用戶:daguda
ATMEL全套MP3設計資料,包括電路圖、源程序、下載工具、元器件列表、USB驅動等等。壓縮后17M.
上傳時間: 2013-12-20
上傳用戶:anng
由3926個源代碼,包括8051/8096/8099/8048單片機匯編工具、 匯編語言、摩托羅拉m68HC11、m680x0系列匯編語言、inter8051單 片機匯編語言、dos未公開的秘密、windows進程控制、圖形編程、 創新32位聲開發、視頻實例等眾多內容,內容十分的豐富,絕對是 匯編語言的知識寶庫!
上傳時間: 2014-01-06
上傳用戶:heart520beat
源代碼\用動態規劃算法計算序列關系個數 用關系"<"和"="將3個數a,b,c依次序排列時,有13種不同的序列關系: a=b=c,a=b<c,a<b=v,a<b<c,a<c<b a=c<b,b<a=c,b<a<c,b<c<a,b=c<a c<a=b,c<a<b,c<b<a 若要將n個數依序列,設計一個動態規劃算法,計算出有多少種不同的序列關系, 要求算法只占用O(n),只耗時O(n*n).
上傳時間: 2013-12-26
上傳用戶:siguazgb
The government of a small but important country has decided that the alphabet needs to be streamlined and reordered. Uppercase letters will be eliminated. They will issue a royal decree in the form of a String of B and A characters. The first character in the decree specifies whether a must come ( B )Before b in the new alphabet or ( A )After b . The second character determines the relative placement of b and c , etc. So, for example, "BAA" means that a must come Before b , b must come After c , and c must come After d . Any letters beyond these requirements are to be excluded, so if the decree specifies k comparisons then the new alphabet will contain the first k+1 lowercase letters of the current alphabet. Create a class Alphabet that contains the method choices that takes the decree as input and returns the number of possible new alphabets that conform to the decree. If more than 1,000,000,000 are possible, return -1. Definition
標簽: government streamline important alphabet
上傳時間: 2015-06-09
上傳用戶:weixiao99
電力系統在臺穩定計算式電力系統不正常運行方式的一種計算。它的任務是已知電力系統某一正常運行狀態和受到某種擾動,計算電力系統所有發電機能否同步運行 1運行說明: 請輸入初始功率S0,形如a+bi 請輸入無限大系統母線電壓V0 請輸入系統等值電抗矩陣B 矩陣B有以下元素組成的行矩陣 1正常運行時的系統直軸等值電抗Xd 2故障運行時的系統直軸等值電抗X d 3故障切除后的系統直軸等值電抗 請輸入慣性時間常數Tj 請輸入時段數N 請輸入哪個時段發生故障Ni 請輸入每時段間隔的時間dt
上傳時間: 2015-06-13
上傳用戶:it男一枚
一套圖書管理程序,主要採用OO技術實現,有參考價值
標簽: 程序
上傳時間: 2015-06-20
上傳用戶:nairui21
Java版精華區 java學習 BBS 水木清華站∶精華區,包含java原理、java開發、開發工具、設計思想、認證考試相關電子文檔
上傳時間: 2015-07-01
上傳用戶:Divine
一般認為Windows CE是一個適合嵌入式應用的通用作業系統,然而,從系統的角度來看,Windows CE並不只是一個作業系統,它還包括對多種目標處理器以及週邊設備的支援,並提供了系統開發工具、應用開發工具、整合的應用程式
上傳時間: 2015-07-01
上傳用戶:asasasas
《網頁創意設計》,包括網頁的設計、使網站易于導航、制作web圖片、HTML設計工具、用表格構造頁面等。
上傳時間: 2013-12-21
上傳用戶:cc1015285075