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test請留言! 到第十前，都沒說對!提示一下: 形態轉換int->float int sum=596; average=(double)sum/10; average=sum/10; 有何不同?
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請用C/C++ 程式計算 S=1*1+2*2+3*3+4*4+.....+20*20=?
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明文=I'm student key=(2,15,8) 密文=?
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C字串練習 字串 char word[]="You win!"; 輸出為: You win! You win You wi You w You You Yo Y 給進階使用者: gets () 是個危險的函式！
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請問何謂非對稱性密碼？ 並列舉五種以上非對稱密碼的演算法名稱。
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ECTJGJMUGEFVHZYLQFMQKKXFYIOSNLOJVSAFYSJLWIYUFJSDER FIDTCKSDFSITUMGOWJLZJZPBKLCIVVDYVICGRBFBYSXMRAOBHZ GQXQXCQAFPSXCGYJTJSHUINWPPLIJISZNNQCBV...
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寫一個double-for迴圈，輸入n，其時間計算複雜度為O(nlog n)。 提示： C副程式時間複雜度O(n*log^2(n))
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請將執行結果貼出>
11 則留言:
RAP
rap
vet
rap
vet
Ans:
1.RAP
2.FOD
B10333005: A1:enc A2:dmb
rap vet
VET、RAP
rap vet
B1033005: A1:enc A2:RAP
The word is derived from the Greek kryptos, meaning hidden.
The origin of cryptography is usually dated from about 2000
BC, with the Egyptian practice of hieroglyphics. These
consisted of complex pictograms, the full meaning of which
was only known to an elite few. The first known use of a modern
cipher was by Julius Caesar (100 BC to 44 BC), who did not
trust his messengers when communicating with his governors
and officers.
FOD
CLA
手算
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