锘??xml version="1.0" encoding="utf-8" standalone="yes"?>青青青国产精品国产精品久久久久,久久久久久狠狠丁香,国内精品久久久久 http://www.shnenglu.com/yindf/archive/2011/03/06/141237.html灝逛笢鏂?/dc:creator>灝逛笢鏂?/author>Sun, 06 Mar 2011 14:45:00 GMT http://www.shnenglu.com/yindf/archive/2011/03/06/141237.html http://www.shnenglu.com/yindf/comments/141237.html http://www.shnenglu.com/yindf/archive/2011/03/06/141237.html#Feedback 1 http://www.shnenglu.com/yindf/comments/commentRss/141237.html http://www.shnenglu.com/yindf/services/trackbacks/141237.html ]]>next_permutation, next, next, next... http://www.shnenglu.com/yindf/archive/2010/02/24/108312.html灝逛笢鏂?/dc:creator>灝逛笢鏂?/author>Tue, 23 Feb 2010 16:11:00 GMT http://www.shnenglu.com/yindf/archive/2010/02/24/108312.html http://www.shnenglu.com/yindf/comments/108312.html http://www.shnenglu.com/yindf/archive/2010/02/24/108312.html#Feedback 7 http://www.shnenglu.com/yindf/comments/commentRss/108312.html http://www.shnenglu.com/yindf/services/trackbacks/108312.html
abcd next_permutation -> abdc
閭d箞錛屼負浠涔坅bcd鐨勪笅涓涓槸abdc鑰屼笉鏄痑cbd鍛紵 闃呰鍏ㄦ枃 ]]> C++涓嬪瀮鍦懼洖鏀跺櫒鐨勫疄鐜?浜?--鏋愭瀯鍑芥暟鐨勫湴鍧錛?/title> http://www.shnenglu.com/yindf/archive/2010/02/10/107675.html灝逛笢鏂?/dc:creator>灝逛笢鏂?/author>Wed, 10 Feb 2010 11:09:00 GMT http://www.shnenglu.com/yindf/archive/2010/02/10/107675.html http://www.shnenglu.com/yindf/comments/107675.html http://www.shnenglu.com/yindf/archive/2010/02/10/107675.html#Feedback 10 http://www.shnenglu.com/yindf/comments/commentRss/107675.html http://www.shnenglu.com/yindf/services/trackbacks/107675.html 闃呰鍏ㄦ枃 ]]> C++涓嬪瀮鍦懼洖鏀跺櫒鐨勫疄鐜?涓) http://www.shnenglu.com/yindf/archive/2010/02/08/107493.html灝逛笢鏂?/dc:creator>灝逛笢鏂?/author>Mon, 08 Feb 2010 07:49:00 GMT http://www.shnenglu.com/yindf/archive/2010/02/08/107493.html http://www.shnenglu.com/yindf/comments/107493.html http://www.shnenglu.com/yindf/archive/2010/02/08/107493.html#Feedback 3 http://www.shnenglu.com/yindf/comments/commentRss/107493.html http://www.shnenglu.com/yindf/services/trackbacks/107493.html 鐨勯」鐩腑錛屽氨鍙互瀵規槸鍚﹂渶瑕佸瀮鍦懼洖鏀跺姛鑳藉仛鍑哄噯紜殑鍒ゆ柇銆?nbsp; 闃呰鍏ㄦ枃 ]]> 鏈闀胯繍琛屾椂闂達紙鐧懼害絎旇瘯棰橈級 http://www.shnenglu.com/yindf/archive/2009/10/15/98656.html灝逛笢鏂?/dc:creator>灝逛笢鏂?/author>Thu, 15 Oct 2009 02:57:00 GMT http://www.shnenglu.com/yindf/archive/2009/10/15/98656.html http://www.shnenglu.com/yindf/comments/98656.html http://www.shnenglu.com/yindf/archive/2009/10/15/98656.html#Feedback 12 http://www.shnenglu.com/yindf/comments/commentRss/98656.html http://www.shnenglu.com/yindf/services/trackbacks/98656.html 鏉′歡錛?K鍐呭瓨錛?MHzCPU錛屾瘡縐掑彲浠ユ敼鍙?^20嬈$姸鎬併傞棶錛氫竴涓▼搴忔渶闀跨殑榪愯鏃墮棿鏄灝戯紵 絳旓細 棣栧厛紼嬪簭鏄‘瀹氭х殑錛屽氨璇存槑鍐呭瓨鐨勭姸鎬佷笉浼氶噸澶嶏紝鍚﹀垯灝辨案榪滅粨鏉熶笉浜嗐備粠榪欎竴鐐瑰嚭鍙戯紝鍙互鐭ラ亾鍐呭瓨鐨勭姸鎬佸叡鏈?2^8k , 鐒跺悗CPU姣忕鏀瑰彉 2^20 涓姸鎬侊紝鎵浠ヨ繖鍙拌綆楁満鏈闀垮嚭鐜頒笉閲嶅鐨勭姸鎬?2^(8k-20錛夌銆?/td>
]]> 榪炴帴鏁板瓧 http://www.shnenglu.com/yindf/archive/2009/06/04/86802.html灝逛笢鏂?/dc:creator>灝逛笢鏂?/author>Thu, 04 Jun 2009 15:49:00 GMT http://www.shnenglu.com/yindf/archive/2009/06/04/86802.html http://www.shnenglu.com/yindf/comments/86802.html http://www.shnenglu.com/yindf/archive/2009/06/04/86802.html#Feedback 2 http://www.shnenglu.com/yindf/comments/commentRss/86802.html http://www.shnenglu.com/yindf/services/trackbacks/86802.html 棰樼洰鎻忚堪錛氳鏈塶涓鏁存暟錛屽皢瀹冧滑鑱旀帴鎴愪竴鎺掞紝緇勬垚涓涓渶灝忕殑澶氫綅鏁存暟銆?br>紼嬪簭杈撳叆錛歯涓暟紼嬪簭杈撳嚭錛氳仈鎺ユ垚鐨勫浣嶆暟 渚嬪錛歯=2鏃訛紝2涓暣鏁?2錛?21榪炴帴鎴愮殑鏈灝忔暣鏁頒負錛?2132錛宯=4鏃訛紝4涓暣鏁?5錛?1錛?12, 33 鑱旀帴鎴愮殑鏈灝忔暣鏁頒負錛?12313355 [棰樼洰瑕佹眰]1. 緇欏嚭浼唬鐮佸嵆鍙紝璇風粰鍑哄搴旂殑鏂囧瓧璇存槑錛屽茍浣跨敤涓婇潰緇欏嚭鐨勪緥瀛愯瘯楠屼綘鐨勭畻娉曘?. 緇欏嚭綆楁硶鐨勬椂闂寸┖闂村鏉傚害銆?. 璇佹槑浣犵殑綆楁硶銆傦紙闈炲父閲嶈錛?br>
#include < vector > #include < algorithm > #include < cmath > #include < string > #include < iostream > #include < iterator > #include < sstream > using namespace std; struct Less { bool operator ()( long i, long j) { static stringstream ss; ss.clear(); ss << i << " " << j; string stri,strj; ss >> stri >> strj; return (i * powl( 10 ,strj.length()) + j) < (j * powl( 10 ,stri.length()) + i); } }; int main() { long x[] = { 565 , 56 , 5655 } ; sort(x, x + 3 , Less()); copy(x, x + 3 , ostream_iterator < long > (cout )); }
璇佹槑錛?br> 鍋囪錛?鎺掑簭鍚庣殑 a0a1...an涓嶆槸鏈灝忕殑錛岄偅涔堝瓨鍦╝0a1...ajai....an<a0a1...an,涓攁jai > aiaj. 閭d箞浜ゆ崲ajai浼氫嬌鍙互浣縜0a1...an鏇村皬錛屼笌鍋囪a0a1...ajai....an<a0a1...an鐭涚浘銆?br> 璇佹槑瀹屾瘯銆?br>
]]>Rvalue References: C++0x Features in VC10 (浜? http://www.shnenglu.com/yindf/archive/2009/05/28/86041.html灝逛笢鏂?/dc:creator>灝逛笢鏂?/author>Thu, 28 May 2009 12:51:00 GMT http://www.shnenglu.com/yindf/archive/2009/05/28/86041.html http://www.shnenglu.com/yindf/comments/86041.html http://www.shnenglu.com/yindf/archive/2009/05/28/86041.html#Feedback 0 http://www.shnenglu.com/yindf/comments/commentRss/86041.html http://www.shnenglu.com/yindf/services/trackbacks/86041.html 闃呰鍏ㄦ枃 ]]> Rvalue References: C++0x Features in VC10 (涓) http://www.shnenglu.com/yindf/archive/2009/05/27/85951.html灝逛笢鏂?/dc:creator>灝逛笢鏂?/author>Wed, 27 May 2009 15:17:00 GMT http://www.shnenglu.com/yindf/archive/2009/05/27/85951.html http://www.shnenglu.com/yindf/comments/85951.html http://www.shnenglu.com/yindf/archive/2009/05/27/85951.html#Feedback 3 http://www.shnenglu.com/yindf/comments/commentRss/85951.html http://www.shnenglu.com/yindf/services/trackbacks/85951.html 闃呰鍏ㄦ枃 ]]> 綾誨疄渚嬭兘鍋氬仛妯℃澘鍙傛暟鍚楋紵 http://www.shnenglu.com/yindf/archive/2009/05/24/85646.html灝逛笢鏂?/dc:creator>灝逛笢鏂?/author>Sun, 24 May 2009 12:21:00 GMT http://www.shnenglu.com/yindf/archive/2009/05/24/85646.html http://www.shnenglu.com/yindf/comments/85646.html http://www.shnenglu.com/yindf/archive/2009/05/24/85646.html#Feedback 10 http://www.shnenglu.com/yindf/comments/commentRss/85646.html http://www.shnenglu.com/yindf/services/trackbacks/85646.html
MyClass t; 闃呰鍏ㄦ枃 ]]> 鑷姩姹傚妯℃澘搴?/title> http://www.shnenglu.com/yindf/archive/2009/05/01/81657.html灝逛笢鏂?/dc:creator>灝逛笢鏂?/author>Fri, 01 May 2009 15:50:00 GMT http://www.shnenglu.com/yindf/archive/2009/05/01/81657.html http://www.shnenglu.com/yindf/comments/81657.html http://www.shnenglu.com/yindf/archive/2009/05/01/81657.html#Feedback 6 http://www.shnenglu.com/yindf/comments/commentRss/81657.html http://www.shnenglu.com/yindf/services/trackbacks/81657.html 鏈榪戦」鐩噷鎬繪槸瑕佸寰堝簽澶х殑鍏紡姹傚錛屽緢鐑︿漢錛屾墜宸ユ眰瀵煎鏄撳嚭閿欍?br>褰撶劧MATLAB鏄釜濂介夋嫨錛屼笉榪囧綋瀹冭閽辯殑鏃跺欙紝鎮ㄥ彲鑳藉氨涓嶈繖涔堣涓轟簡銆?br>浜庢槸錛屽疄鐜頒簡涓涓彲浠?strong>緙栬瘧鏈熸眰瀵?涓嶇敤鎷呭績榪愯鏃惰礋鎷?鐨勫皬鍨嬪簱錛岃繕涓嶅畬鍏紝浠呮敮鎸佸欏瑰紡錛宻in錛宑os錛宲ow錛宔xp錛宭og絳夊嚱鏁版眰瀵箋?br>鍚庢湡鐨勮〃杈懼紡浼樺寲鍋氱殑涓嶆槸寰堝ソ銆?br>涓嬮潰鏄竴浜涙祴璇曚唬鐮侊紝瀹屾暣鐨勬簮鐮佸湪http://www.boostpro.com/vault/index.php?action=downloadfile&filename=[math]AD.zip 瀹炵幇閮ㄥ垎寰堝鏉傦紝璇峰澶氭寚鏁欍?br> 鍙湁1涓嚱鏁幫紝 d(...) 鏀寔楂橀樁錛屽鍏冩眰瀵箋?br> d(exp, var)(value1, value2, ...) exp鍐呭彲浠ユ湁澶氫釜鍙橀噺錛寁ar琛ㄧず瑕佸鍏舵眰瀵肩殑鍙橀噺錛寁alue琛ㄧず姹傚浠ュ悗鐢ㄤ簬璁$畻琛ㄨ揪寮忕殑鍙橀噺鐨勫箋?br> 姣斿: d(d(x*x*x, x),x)(3.0) 琛ㄧず瀵箈*x*x姹備簩闃跺鏁板湪x=3.0鏃跺欑殑鍊箋?br>d(d(x*x*y, x), y)(3.0, 4.0) 琛ㄧずd(x*x*y)/(dxdy)鍦▁=3.0錛寉=4.0鐨勫箋?br>d(d(x*x*x, x) +d(y*x, y), y) (2.0) 鍒欒〃紺?(d(x*x*x)/dx + d(y*x)/dy)/dy == 0銆?br> 鍙互鐩存帴鐢╟out鎶婃眰瀵煎悗鐨勮〃杈懼紡杈撳嚭錛屼笉鐢ㄧ粰鍙橀噺緇欏箋?br>cout<<d(x*x, x) // 緇撴灉鏄細2*x 榪欓噷娌℃湁鐢ㄤ換浣曡凱浠o紝鏄洿鎺ュ琛ㄨ揪寮忔眰瀵肩殑銆傝繑鍥炲兼槸姹傚鍚庣殑琛ㄨ揪寮忥紝鏈川鏄竴涓豢鍑芥暟銆傚彲浠ョ敤boost::function淇濆瓨璧鋒潵浣跨敤銆?br>渚嬪錛?br> boost::function<double (double)> df = d(pow(x, const_<10>::type()), x); //df 鍙傛暟涓?涓猟ouble錛岃繑鍥瀌ouble 鐒跺悗灝卞彲浠ュ湪浠諱綍鍦版柟浣跨敤 df 浜嗭細 double res = df(3.0) // res == pow(3, 9)
1 #include " ad.h " 2 #include < iostream > 3 #include < iterator > 4 5 using namespace std; 6 7 int main() 8 { 9 variable< 0 > ::type x; 10 variable< 1 > ::type y; 11 12 double res[ 14 ]; 13 14 res[0 ] = d(pow(x, const_ < 10 > ::type()), x)( 2.0 ); 15 16 res[1 ] = d(x * x * x, x)( 2.0 ); 17 res[2 ] = d(x + x + x, x)( 2.0 ); 18 res[3 ] = d(x - x - x, x)( 2.0 ); 19 res[4 ] = d(x / x, x)( 2.0 ); 20 21 res[5 ] = d(pow(x, var( 3.0 )), x)( 2.0 ); 22 res[6 ] = d(pow(var( 3.0 ), x), x)( 2.0 ); 23 res[7 ] = d(pow(x, x), x)( 2.0 ); 24 25 res[8 ] = d(log(x), x)( 2.0 ); 26 res[9 ] = d(exp(x), x)( 2.0 ); 27 28 res[10 ] = d(sin(x), x)( 2.0 ); 29 res[11 ] = d(cos(x), x)( 2.0 ); 30 31 res[12 ] = d(d(sin(x) * cos(y), x), y)( 2.0 , 3.0 ); 32 33 res[13 ] = (d(log(x) + x, x) * x)( 2.0 ); 34 35 copy(res, res + 14 , ostream_iterator < double > (cout, " \n " )); 36 37 cout<< d(pow(x, const_ < 10 > ::type()), x) << endl; 38 39 cout<< d(x * x * x, x) << endl; 40 cout<< d(x + x + x, x) << endl; 41 cout<< d(x - x - x, x) << endl; 42 cout<< d(x / x / x, x) << endl; 43 44 cout<< d(pow(x, var( 3.0 )), x) << endl; 45 cout<< d(pow(var( 3.0 ), x), x) << endl; 46 cout<< d(pow(x, x), x) << endl; 47 48 cout<< d(log(x), x) << endl; 49 cout<< d(exp(x), x) << endl; 50 51 cout<< d(sin(x), x) << endl; 52 cout<< d(cos(x), x) << endl; 53 54 cout<< d(d(sin(x) * cos(y), x), y) << endl; 55 56 cout<< (d(log(x) + x, x) * x) << endl; 57 58 return 0 ; 59 }60
杈撳嚭緇撴灉濡備笅錛?br>
1 512 2 12 3 3 4 - 1 5 0 6 12 7 9.88751 8 6.77259 9 0.5 10 7.38906 11 - 0.416147 12 0.909297 13 - 0.0587266 14 3 15 pow(x,9 ) 16 (((x+ x) * x) + (x * x)) 17 3 18 - 1 19 (- 1 / (x * x)) 20 (pow(x,3 ) * ( 3 * ( 1 / x))) 21 (pow(3 ,x) * log( 3 )) 22 (pow(x,x)* (log(x) + 1 )) 23 (1 / x) 24 exp(x)25 cos(x)26 sin(x)27 (cos(x)* sin(y)) 28 (((1 / x) + 1 ) * x) 29
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