BIN_0(MACROCAT(arg, 1)) #define BIN_2(arg) BIN_1(MACROCAT(arg, 0)) "," BIN_1(MACROCAT(arg, 1)) #define BIN_3(arg) BIN_2(MACROCAT(arg, 0)) "," BIN_2(MACROCAT(arg, 1)) #define BIN_4(arg) BIN_3(MACROCAT(arg, 0)) "," BIN_3(MACROCAT(arg, 1)) int main() { puts(BIN_4()); return 0; }
榪欓噷瑕佹敞鎰忕殑鏄紝姣斿BIN_2()錛屽疄闄呬笂灞曞紑鐨勭粨鏋滄槸
"0" "0" "," "0" "1" "," "1" "0" "," "1" "1"涓嶈繃c/c++瑙勫畾榪欐牱榪炲啓鐨勫瓧絎︿覆錛岀紪璇戞椂灝變細(xì)鍚堝茍鎴愪竴涓紝浜庢槸灝辮兘鐢╬uts鐩存帴瀹屾暣杈撳嚭緇撴灉浜?br /> 濡傛灉浣犳兂寰楀埌鏇村鐨勪綅錛屽緢綆鍗曪紝鍙浣犱笉浠嬫剰錛屼笂闈㈢殑瀹忓鍒跺茍鏀規(guī)敼鏁板瓧灝卞彲浠ヤ簡
涓嶈繃錛岃繖鏍蜂竴鏀硅鏀硅嫢騫蹭釜鏁板瓧錛屾瘮杈冮夯鐑?chǔ)锛岃兘涓嶈兘璁╁畠宸ヤ綔寰楁洿濂藉Q熸瘮濡傚彧瑕佹敼瀹忓悕錛?br /> 榪欎釜鏃跺欙紝灝辮鐢ㄦ洿瀵屾湁鎶宸фх殑涓鎷涗簡錛氳姣忎釜瀹忓涓涓弬鏁皀錛岀劧鍚庡墠闈㈢殑BIN_x浣跨敤MACROCAT鎶婂畠涓庢暟瀛楄繛緇撹搗鏉ワ紝涓嶅氨鍙互浜嗕箞錛?br /> 鎯蟲硶涓嶉敊錛屼笉榪囬棶棰樻槸瀹忔湰韜病鏈夊仛鍑忔硶鐨勮兘鍔涳紝鑳藉仛鐨勪粎浠呮槸鏇挎崲銆傚噺1搴旇鎬庝箞瀹炵幇鍛紵
鍏跺疄涓嶉毦錛岃浠ヤ笅瀹氫箟錛?br /> #define DECVAL_1 0
#define DECVAL_2 1
#define DECVAL_3 2
#define DECVAL_4 3
#define DECVAL_5 4
#define DECVAL_6 5
#define DECVAL_7 6
#define DECVAL_8 7
#define DECVAL_9 8
#define DECVAL( n ) DECVAL_##n
濂戒簡錛屾湁浜嗚繖涓埄鍣紝鎴戜滑灝卞彲浠ュ鍘熷畯鏀歸犱簡錛屽厛鎷?鍙峰拰1鍙峰畯寮鍒錛?br />
#define BIN_0(n, arg) TOSTRING ( arg ) #define BIN_1(n, arg) MACROCAT(BIN_, DECVAL(n)) (DECVAL(n), MACROCAT(arg, 0)) \ "," MACROCAT(BIN_, DECVAL(n)) (DECVAL(n), MACROCAT(arg, 1))鐪嬪緱鎳傛浛鎹簡涓浜涗粈涔堝悧錛熻繖鏍鳳紝鍚庨潰鐨?,3,4,5鍙鳳紝鍙澶嶅埗涓涓?鍙風(fēng)殑瀹氫箟錛屾敼涓鏀瑰畯鍚嶅氨瑙ｅ喅闂浜?br /> 鎬濊冮錛?br /> 榪欓噷鐢熸垚鐨勪簩榪涘埗緇撴灉鏄甫鍓嶅0鐨勶紝濡備綍鏀瑰啓鑳戒嬌鐢熸垚鐨勭粨鏋滀笉甯﹀墠瀵?錛?br /> source: http://blog.misakamm.org/p/209
浣跨敤姝ゆ硶鍙互“閫掑綊”寮忕敓鎴愬緢澶氱被浼間唬鐮侊紝鍚屾椂榪欎釜鎶宸т篃闈炲父鐨勫疄鐢紝浣嗛掑綊鏋勯犲茍涓嶅鏄擄紝闇瑕佺紪鍐欑殑浜轟粩緇嗘兂娓呮錛屽惁鍒欏緢瀹規(guī)槗鍑洪敊錛岀壒鍒娉ㄦ剰瀹忓睍寮鐨勬椂鏈猴紝涓鑸笉鐩存帴浣跨敤MACROCAT1瀹忥紝鍥犱負(fù)閭ｄ釜寰堝彲鑳戒笉鏄綘鎯寵鐨勭粨鏋?br /> 涔嬪悗錛屽埌C99鏍囧噯鍑哄彴鍚庯紙涔熷氨鏄錛屼笅鏂囧唴瀹逛笌bc3/tc/vc6涓嶅吋瀹癸級(jí)錛屽畯閲岄潰澶氫簡涓涓嫚瑙掕壊錛氬彲鍙樺弬鏁頒釜鏁板畯
姣斿鍙互 #define PRINTF(...) fprintf(stdout, __VA_ARGS__)
鍏朵腑__VA_ARGS__浠ｈ〃浜?#8216;...’閮ㄥ垎鐨勫叏閮ㄥ弬鏁幫紝榪欐牱鍙互杞繪澗鐨勯噸瀹氫箟搴撳嚱鏁伴噷涓嶅畾鍙傛暟鐨勫嚱鏁扮殑杈撳嚭琛屼負(fù)錛屾瘮濡俻rintf閲嶅畾鍚戝埌鏂囦歡錛堣櫧鐒朵篃鍙互鐢╢reopen瀹炵幇錛屼絾鍙兂璇存槑瀹忎篃鍙互榪欐牱鎼烇級(jí)
濂戒簡錛屼笅鏂囧皢鍖哄垎緙栬瘧鍣ㄦ潵浠嬬粛錛屼竴鍏卞垎涓轟袱媧撅紝vc媧懼拰gcc媧撅紙鍖呮嫭clang/objc錛夛紝鍥犱負(fù)涓よ呭浠ヤ笅浠ｇ爜鐨勫鐞嗗茍涓嶄竴鑷達(dá)紝闇瑕佷嬌鐢ㄧ暐涓轟笉鍚岀殑瀹忔潵瀹炵幇錛岀洰鍓嶆垜涔熷彧閬囧埌榪欎袱媧俱?br /> 鐜板湪鐨勭洰鐨勬槸榪欐牱錛屽洜涓篲_VA_ARGS__鍖呭惈浜嗚嫢騫插弬鏁幫紝鎴戞庝箞鎵嶈兘鐭ラ亾閲岄潰鍙傛暟鏈夊灝戜釜鍛紵
姣斿鍐欎竴涓畯NUM_PARAMS()錛岄噷闈㈠啓NUM_PARAMS(abc,a,d,e)鐨勮瘽錛屾浛鎹㈠悗寰楀埌鐨勭粨鏋滆鏄?錛岃兘鍔炲埌鍚楋紵
騫垮憡鏃墮棿錛?br /> http://blog.misakamm.org/p/209
騫垮憡榪囧悗錛屽洖鏉ョ簿褰╃殑鑺傜洰
棣栧厛鍏堜粙緇峠cc媧劇殑瑙ｅ喅鏂規(guī)錛?br />
#define PP_NARG(...) PP_NARG_(__VA_ARGS__, PP_RSEQ_N()) #define PP_NARG_(...) PP_ARG_N(__VA_ARGS__) #define PP_ARG_N( \ _1, _2, _3, _4, _5, _6, _7, _8, _9,_10, \ _11,_12,_13,_14,_15,_16, N, ...) N#define PP_RSEQ_N() \ 16,15,14,13,12,11,10, \ 9,8,7,6,5,4,3,2,1,0 闈炲父婕備寒宸у鍙堢畝媧佺殑鏂規(guī)錛屾垜鎯充笉鐢ㄦ垜澶氳В閲婁簡鍚э紵
涓嶈繃錛岃娉ㄦ剰錛岃繖鏄痝cc鐨勬柟妗堬紝浠ヤ笂浠ｇ爜鏀懼湪vc8/vc9/vc2010絳夐兘浼?xì)寰椾笉鍒版纭殑缁撴灉鐨勫Q岃繖涓拰vc鐨勫畯澶勭悊鏂瑰紡鏈夊叧
鎺ヤ笅鏉ュ氨鏄粰鍑簐c鐨勮В鍐蟲柟妗堬紙浠ヤ笅鍧囦互vc2008鍜寁c2010涓哄噯錛?br />
#define BRACKET_L() ( #define BRACKET_R() ) #define PP_NARG(...) \ PP_NARG_ ( __VA_ARGS__, PP_RSEQ_N() ) #define PP_NARG_(...) \ PP_ARG_N BRACKET_L() __VA_ARGS__ BRACKET_R() #define PP_ARG_N( \ _1, _2, _3, _4, _5, _6, _7, _8, _9,_10, \ _11,_12,_13,_14,_15,_16, N,...) N #define PP_RSEQ_N() \ 16,15,14,13,12,11,10, \ 9,8,7,6,5,4,3,2,1,0榪欓噷寰堢壒鍒殑涓鐐規(guī)槸瀵歸儴鍒嗗皬鎷彿鍋氫簡鏇挎崲銆?br /> 闂鍦ㄤ簬PP_NARG_鍒癙P_ARG_N鍋氬弬鏁頒紶閫掔殑鏃跺欙紝濡傛灉宸叉湁鏄懼紡鐨勬嫭鍙鳳紝閭ｄ箞涓嶅閲岄潰鐨勫畯鍋氬睍寮璁＄畻鍙傛暟涓暟錛屼粎鐩存帴鎸夋樉寮忕殑閫楀彿涓暟鍒ゆ柇鍑哄弬鏁頒釜鏁幫紝浠庤屽鑷確_VA_ARGS__琚綋鎴愪竴涓弬鏁頒紶鍏ャ傝屾妸鎷彿鐢ㄥ畯鏇挎崲鎺夊悗錛屽垯涓嶅嚭鐜扮洿鎺ョ殑鎷彿錛屽氨鍏堝瀹忓仛灞曞紑錛岃屽睍寮鍚庯紝鍐嶅睍寮鏂版瀯閫犲嚭鏉ョ殑瀹忥紝榪欐牱鎵嶈兘璁╁弬鏁板尮閰嶄笂銆?br /> 涓嶈繃gcc閲岄潰涓嶈兘榪欎箞騫詫紝gcc浼?xì)鎶婂畯鍚嶅睍寮鍑烘潵鍚庯紝濡傛灉鍙戠幇鍚庨潰鐨勭鍙峰茍涓嶆槸鏄懼紡鐨勬嫭鍙鳳紝鍒欐妸鍓嶉潰鐨勫畯絎﹀彿鍖栵紝涓嶅啀灞曞紑銆傝繖涓ょ涓嶅悓鐨勭壒鎬ц鎴戠幇鍦ㄨ繕涓嶇煡閬撴庝箞緙栧啓瀹忚兘璁╀袱媧鵑兘鑳藉吋瀹癸紝姝ｇ‘灞曞紑鍑烘垜鎯寵鐨勪笢瑗褲?br /> 瑙ｉ噴浜嗕袱涓紪璇戝櫒鐨勪笉鍚岀偣浠ュ悗錛屽悗闈笉鍐嶈В閲婄浉鍚岀殑闂錛岃屼細(xì)鍚屾椂緇欏嚭涓や喚浠ｇ爜銆?br /> 鍙︿竴涓被浼肩殑闂錛屽氨鏄棦鐒舵湁涓嶅畾涓暟鐨勫弬鏁幫紝濡傛灉鎴戝笇鏈涘姣忎釜鍙傛暟閮藉仛涓浜涘鐞嗭紝閭ｅ浣曞仛鍛紵
涓句緥錛屽疄鐜頒竴涓畯#define SPREAD(...)錛岃鎶婂弬鏁伴噷鐨勪笢瑗胯繛緇撴垚涓涓瓧絎︿覆
涔嬪墠鐨勪緥瀛愰噷錛屽凡緇忓疄鐜頒簡鎶婁笉瀹氬弬鏁板睍寮鐨勬墜孌碉紝鐜板湪鎴戜滑鏉ュ皾璇曢掑綊涓嬮檷寮忓睍寮錛坓cc鐗堟湰錛夛細(xì)
#define SPREAD0( arg ) #arg
#define SPREAD1(arg, ...) SPREAD0(arg)
#define SPREAD2(arg, ...) SPREAD0(arg) SPREAD1(__VA_ARGS__,)
#define SPREAD3(arg, ...) SPREAD0(arg) SPREAD2(__VA_ARGS__,)
#define SPREAD4(arg, ...) SPREAD0(arg) SPREAD3(__VA_ARGS__,)
#define SPREAD5(arg, ...) SPREAD0(arg) SPREAD4(__VA_ARGS__,)
#define SPREAD6(arg, ...) SPREAD0(arg) SPREAD5(__VA_ARGS__,)
#define SPREAD7(arg, ...) SPREAD0(arg) SPREAD6(__VA_ARGS__,)
#define SPREAD8(arg, ...) SPREAD0(arg) SPREAD7(__VA_ARGS__,)
#define SPREAD9(arg, ...) SPREAD0(arg) SPREAD8(__VA_ARGS__,)
#define SPREAD(...) SPREAD9(__VA_ARGS__)
鍦ㄨ繖閲岋紝姣忚繘鍏ヤ竴灞傦紝灝變粠__VA_ARGS__鎷嗚В涓涓渶鍓嶉潰鐨勫弬鏁板嚭鏉ワ紝鎶婂墿涓嬬殑鍙傛暟緇欎笅涓灞?br /> 榪欓噷鏈変竴涓粏鑺傛槸__VA_ARGS__鍚庨潰鏈変竴涓楀彿錛屾剰鎬濆氨鏄ˉ涓涓┖鍙傛暟錛岄伩鍏嶅悗闈㈠弬鏁頒笉瓚?br /> 鐒跺悗灝卞彲浠ョ敤puts(SPREAD(1, 2, 3, 4));鏉ユ祴璇曚簡
褰撶劧錛岃繕瑕佷嬌鐢ㄥ墠鏂囩殑鏂瑰紡澶勭悊涓涓嬶紙gcc鐗堬級(jí)錛?br /> #define SPREAD0( arg ) #arg
#define SPREAD1(n, arg, ...) SPREAD0(arg)
#define SPREAD2(n, arg, ...) SPREAD0(arg) MACROCAT(SPREAD, DECVAL(n)) ( DECVAL(n), __VA_ARGS__, )
#define SPREAD3(n, arg, ...) SPREAD0(arg) MACROCAT(SPREAD, DECVAL(n)) ( DECVAL(n), __VA_ARGS__, )
#define SPREAD4(n, arg, ...) SPREAD0(arg) MACROCAT(SPREAD, DECVAL(n)) ( DECVAL(n), __VA_ARGS__, )
#define SPREAD5(n, arg, ...) SPREAD0(arg) MACROCAT(SPREAD, DECVAL(n)) ( DECVAL(n), __VA_ARGS__, )
#define SPREAD6(n, arg, ...) SPREAD0(arg) MACROCAT(SPREAD, DECVAL(n)) ( DECVAL(n), __VA_ARGS__, )
#define SPREAD7(n, arg, ...) SPREAD0(arg) MACROCAT(SPREAD, DECVAL(n)) ( DECVAL(n), __VA_ARGS__, )
#define SPREAD8(n, arg, ...) SPREAD0(arg) MACROCAT(SPREAD, DECVAL(n)) ( DECVAL(n), __VA_ARGS__, )
#define SPREAD9(n, arg, ...) SPREAD0(arg) MACROCAT(SPREAD, DECVAL(n)) ( DECVAL(n), __VA_ARGS__, )
#define SPREAD(...) SPREAD9 ( 9, __VA_ARGS__ )
vc鐗堬細(xì)
#pragma warning(disable:4003) // 鍘婚櫎璀﹀憡
#define SPREAD0( arg ) #arg
#define SPREAD1(n, arg, ...) SPREAD0(arg)
#define SPREAD2(n, arg, ...) SPREAD0(arg) MACROCAT(SPREAD, DECVAL(n)) BRACKET_L() DECVAL(n), __VA_ARGS__, BRACKET_R()
#define SPREAD3(n, arg, ...) SPREAD0(arg) MACROCAT(SPREAD, DECVAL(n)) BRACKET_L() DECVAL(n), __VA_ARGS__, BRACKET_R()
#define SPREAD4(n, arg, ...) SPREAD0(arg) MACROCAT(SPREAD, DECVAL(n)) BRACKET_L() DECVAL(n), __VA_ARGS__, BRACKET_R()
#define SPREAD5(n, arg, ...) SPREAD0(arg) MACROCAT(SPREAD, DECVAL(n)) BRACKET_L() DECVAL(n), __VA_ARGS__, BRACKET_R()
#define SPREAD6(n, arg, ...) SPREAD0(arg) MACROCAT(SPREAD, DECVAL(n)) BRACKET_L() DECVAL(n), __VA_ARGS__, BRACKET_R()
#define SPREAD7(n, arg, ...) SPREAD0(arg) MACROCAT(SPREAD, DECVAL(n)) BRACKET_L() DECVAL(n), __VA_ARGS__, BRACKET_R()
#define SPREAD8(n, arg, ...) SPREAD0(arg) MACROCAT(SPREAD, DECVAL(n)) BRACKET_L() DECVAL(n), __VA_ARGS__, BRACKET_R()
#define SPREAD9(n, arg, ...) SPREAD0(arg) MACROCAT(SPREAD, DECVAL(n)) BRACKET_L() DECVAL(n), __VA_ARGS__, BRACKET_R()
#define SPREAD(...) SPREAD9 BRACKET_L() 9, __VA_ARGS__, BRACKET_R()
浠ヤ笂鍙槸妯＄硦鏂瑰紡灞曞紑錛屽洜涓哄弬鏁頒釜鏁頒笉鐭ラ亾錛屽悗闈細(xì)閬囧埌瀹忓弬鏁頒負(fù)絀虹殑鎯呭喌錛屼簬鏄痸c緙栬瘧鍣ㄧ粰鍑轟簡璀﹀憡
濡傛灉鎶婁箣鍓嶈鐨勮繃鎶宸э紝灝辨槸鍒嗘瀽鍑轟笉瀹氬弬鏁頒釜鏁扮殑瀹忥紝涓庤繖涓粨鍚堬紝灝嗕駭鐢熸洿澶х殑濞佸姏錛屾垜浠彲浠ュ疄鐜扮簿紜睍寮錛屽氨鏄湪SPREAD瀹忕殑瀹氫箟閲岋紝鏈?鐨勫湴鏂逛嬌鐢ㄥ畯PP_NARG(__VA_ARGS__)鏇挎崲涓涓嬶紝浜庢槸__VA_ARGS__鍚庨潰鐨勯楀彿鍙互鍘繪帀錛屼篃鍙互綆鍖栦竴浜涗唬鐮佷簡錛屼篃鑳介伩鍏嶅睍寮鍚庢湁浣犳墍涓嶅笇鏈涚殑澶氫綑瀛楃鍑虹幇銆?br /> 嫻嬭瘯鑰冮1錛?br /> 瀹氫箟涓瀹?define printf錛岃瀹冭兘鎶妏rintf(str, a, b, c);鏇挎崲鎴恠td::cout<<a<<b<<c<<std::endl;
鍙傛暟涓暟涓嶇‘瀹氾紝涓嶇敤鑰冭檻str鐨勫唴瀹癸紝浣嗗亣璁句笉澶氫簬10涓弬鏁?/font>
http://blog.misakamm.org/p/209
瀹忕殑濞佸姏榪樹笉姝㈣嚦姝わ紝褰撳畯涓嶤++妯℃澘緙栫▼緇撳悎鐨勬椂鍊欙紝鐪熸鐨勫彲鎬曞氨鏉ヤ復(fù)浜嗐傘傘?br /> 嫻嬭瘯鑰冮2錛?br /> 鍦–++0x涔嬪墠錛屾ā鏉胯繕娌℃湁涓嶅畾鍙傛暟錛屼簬鏄渶瑕佸涓弬鏁扮殑鏃跺欙紝涓嶅緱涓嶆墜宸ヨВ鍐籌紝鎴栬呰仾鏄庣殑浜猴紝浣跨敤妯℃澘鏉ョ敓鎴愬鍙傛ā鏉夸唬鐮併傚皾璇曚竴涓嬭繖涔堝仛錛岀湅鐪嬪拰涔嬪墠鐨勯棶棰橀毦搴﹀姞澶у湪鍝噷銆傛瘮濡傜敓鎴愪竴涓悕涓簊um鐨勬ā鏉垮嚱鏁幫紝鑳芥帴鍙? - 10涓弬鏁幫紝榪斿洖榪欎簺鍙傛暟鐨勭浉鍔犵殑緇撴灉
鏂囩珷闄勫甫錛?br /> 絎竴鑰冮鍙傝冪瓟妗堬細(xì)
#define BINARY_E0(n, arg) TOSTRING ( arg ) #define BINARY_E1(n, arg) MACROCAT(BINARY_E, DECVAL(n)) ( DECVAL(n), MACROCAT(arg, 0) )\ "," MACROCAT(BINARY_E, DECVAL(n)) ( DECVAL(n), MACROCAT(arg, 1) ) #define BINARY_E2(n, arg) MACROCAT(BINARY_E, DECVAL(n)) ( DECVAL(n), MACROCAT(arg, 0) )\ "," MACROCAT(BINARY_E, DECVAL(n)) ( DECVAL(n), MACROCAT(arg, 1) ) #define BINARY_E3(n, arg) MACROCAT(BINARY_E, DECVAL(n)) ( DECVAL(n), MACROCAT(arg, 0) )\ "," MACROCAT(BINARY_E, DECVAL(n)) ( DECVAL(n), MACROCAT(arg, 1) ) #define BINARY_E4(n, arg) MACROCAT(BINARY_E, DECVAL(n)) ( DECVAL(n), MACROCAT(arg, 0) )\ "," MACROCAT(BINARY_E, DECVAL(n)) ( DECVAL(n), MACROCAT(arg, 1) ) #define BINARY_E5(n, arg) MACROCAT(BINARY_E, DECVAL(n)) ( DECVAL(n), MACROCAT(arg, 0) )\ "," MACROCAT(BINARY_E, DECVAL(n)) ( DECVAL(n), MACROCAT(arg, 1) ) #define BINARY_E6(n, arg) MACROCAT(BINARY_E, DECVAL(n)) ( DECVAL(n), MACROCAT(arg, 0) )\ "," MACROCAT(BINARY_E, DECVAL(n)) ( DECVAL(n), MACROCAT(arg, 1) ) #define BINARY_E7(n, arg) MACROCAT(BINARY_E, DECVAL(n)) ( DECVAL(n), MACROCAT(arg, 0) )\ "," MACROCAT(BINARY_E, DECVAL(n)) ( DECVAL(n), MACROCAT(arg, 1) ) #define BINARY_E8(n, arg) MACROCAT(BINARY_E, DECVAL(n)) ( DECVAL(n), MACROCAT(arg, 0) )\ "," MACROCAT(BINARY_E, DECVAL(n)) ( DECVAL(n), MACROCAT(arg, 1) ) #define BINARY_ENUM(n) MACROCAT(BINARY_E, n) ( n, ) #define BIN_0(n, arg) TOSTRING ( arg ) #define BIN_1(n, arg) MACROCAT(BIN_, DECVAL(n)) (DECVAL(n), arg) \ "," MACROCAT(BINARY_E, DECVAL(n)) (DECVAL(n), MACROCAT(arg, 1)) #define BIN_2(n, arg) MACROCAT(BIN_, DECVAL(n)) (DECVAL(n), arg) \ "," MACROCAT(BINARY_E, DECVAL(n)) (DECVAL(n), MACROCAT(arg, 1)) #define BIN_3(n, arg) MACROCAT(BIN_, DECVAL(n)) (DECVAL(n), arg) \ "," MACROCAT(BINARY_E, DECVAL(n)) (DECVAL(n), MACROCAT(arg, 1)) #define BIN_4(n, arg) MACROCAT(BIN_, DECVAL(n)) (DECVAL(n), arg) \ "," MACROCAT(BINARY_E, DECVAL(n)) (DECVAL(n), MACROCAT(arg, 1)) #define BIN_5(n, arg) MACROCAT(BIN_, DECVAL(n)) (DECVAL(n), arg) \ "," MACROCAT(BINARY_E, DECVAL(n)) (DECVAL(n), MACROCAT(arg, 1)) #define BIN_6(n, arg) MACROCAT(BIN_, DECVAL(n)) (DECVAL(n), arg) \ "," MACROCAT(BINARY_E, DECVAL(n)) (DECVAL(n), MACROCAT(arg, 1)) #define BIN_7(n, arg) MACROCAT(BIN_, DECVAL(n)) (DECVAL(n), arg) \ "," MACROCAT(BINARY_E, DECVAL(n)) (DECVAL(n), MACROCAT(arg, 1)) #define BIN_8(n, arg) MACROCAT(BIN_, DECVAL(n)) (DECVAL(n), arg) \ "," MACROCAT(BINARY_E, DECVAL(n)) (DECVAL(n), MACROCAT(arg, 1)) #define BIN_ENUM(n) "0" MACROCAT(BIN_, n) ( n, ) 嫻嬭瘯浠ｇ爜錛歱uts(BIN_ENUM(8)); 嫻嬭瘯鑰冮涓嶆彁渚涚瓟妗堛?
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鏈榪戝彈緗戝弸鐨勯個(gè)璇鳳紝灝卞啓涓綃囧叆闂ㄧ殑鏁欏鏂囩珷銆備笉榪囧浜庡凡緇忔湁涓瀹氬疄鍔涙按騫崇殑浜烘潵璇達(dá)紝鍏ラ棬綰х殑涓滆タ鍙嶈屽浜庝粬錛堝ス錛変滑鏉ヨ涓嶅鏄撹В閲婃竻妤氾紝鎴戜篃鎯蟲寫鎴樹竴涓嬭嚜宸憋紝鐪嬬湅鎴戣兘鎶婁竴浜涘熀紜闂鎬庝箞瑙ｉ噴鑳借鏅哄晢80鐨勪漢涔熻兘鐪嬫槑鐧斤紙铏界劧榪欐牱璇存湁鐐瑰じ寮狅級(jí)錛屾墍浠ユ枃绔犵殑鏍囬灝卞彨鍋?#8220;鍌?cè)潛滃涔?fàn)C璇█榪涘埗杞崲”錛屼笉榪囦篃涓嶆槸娌℃湁瑕佹眰鐨勶紝瑕佹眰鏄紝鐪嬫湰鏂囩殑鏃跺欙紝璇蜂綘涓瀹氳鎸夐『搴忕湅錛屽茍涓旇紜畾浣犱細(xì)鍐欒繖鏍蜂竴涓猚紼嬪簭錛氳緭鍏ヤ竴涓猧nt錛屽垎瑙ｅ嚭瀹冪殑涓綅錛屽崄浣嶏紝鐧句綅錛堟彁紺猴細(xì)瑕佺敤’%'姹傛ā榪愮畻鍜?#8217;/'鏁撮櫎榪愮畻錛夈傘傘傘傘傘?br />
1.鏁板間笌榪涘埗
鏁板間笌榪涘埗鏄袱涓笉鍚岀殑涓滆タ銆傛暟鍊兼槸浠涔堬紵100錛?00榪欑騫朵笉鏄暟鍊箋?br />
浠涔堟槸鏁板鹼紵鍙や唬鐨勬椂鍊欙紝浜轟滑璁版暟錛屾湁涓涓墿鍝佸氨璁頒竴鍧楃煶澶達(dá)紝鎴栬呮湁11涓墿鍝侊紝灝辨墦11涓懷緇擄紝榪欏氨鏄暟鍊鹼紝濡傛灉浣犺琛ㄧず1000錛岄偅浣犺繕鐪熺殑闇瑕佹墦1000涓懷緇撴潵琛ㄧず銆傚彲闂灝辨槸錛岃繖鏍峰瓙浣犱細(xì)绱錛屼負(fù)浜嗕笉鐢ㄧ瘡姝伙紝浜庢槸浠栦滑鍙戞槑浜嗗彟涓縐嶈〃杈炬柟寮忥細(xì)鍑嗗涓ょ涓嶅悓鐨勭煶澶碅鍜孊錛屾湁涓涓紝閭ｅ氨鐢ㄤ竴鍧桝鐭沖ご琛ㄧず錛屼袱涓氨鐢ㄤ袱鍧桝琛ㄧず錛屽鏋滃お澶氫簡錛屾瘮濡?0涓紝灝辯敤涓鍧桞鐭沖ご鏉ヨ〃紺烘湁10涓狝鐭沖ご錛屾瘮濡侫AAAABB琛ㄧず25涓備絾鏄紝濡傛灉琛ㄨ揪鐨勬暟鍊兼洿澶э紝閭ｅ氨鍐嶅鍑嗗涓縐嶇煶澶碈錛屾瘡10涓狟鐭沖ご灝辯敤涓涓狢鐭沖ご鏉ヨ〃紺猴紝姣斿AABCC琛ㄧず212銆備簬鏄紝榪欐牱灝卞彲浠ュぇ澶у噺灝戞墍闇瑕佺殑鐭沖ご鐨勬暟鐩紝鑰岃繖錛屽氨鏄繘鍒躲?br />
榪涘埗鏄暟鍊肩殑涓縐嶈〃紺烘柟寮?/p>
2.鏁板間笌榪涘埗鐨勮漿鍖?br /> 榪涘埗鏄負(fù)浜嗚〃紺轟竴涓暟鍊鹼紝濡傛灉鏄瘡10涓繘涓錛岄偅涔堝氨鏄垜浠啛鎮(zhèn)夌殑10榪涘埗錛屽惁鍒欙紝濡傛灉鏄瘡k涓繘涓錛岄偅灝辨槸k榪涘埗錛屾瘮濡傛垜浠殑鏃墮棿錛屾槸姣?0縐掕1鍒嗛挓錛岃繖灝辨槸60榪涘埗銆傜劧鍚庯紝鎬庝箞鎶婁竴涓敤鐗瑰畾榪涘埗鐨勮〃紺猴紝寰楀埌瀹冪殑鏁板煎憿錛熷緢綆鍗曪紝姣斿涓婃枃璇寸殑AABCC錛岄鍏堬紝鏈変袱涓狝錛屽垎瑙ｅ緱AA + BCC錛屽氨鏄? + BBC錛岀劧鍚庯紝1涓狟灝辨槸10涓狝錛屼簬鏄氨鏄疉A + AAAAAAAAAA + AAAAAAAAAA + C錛岀劧鍚庝竴涓狢絳変簬10涓狟錛屽氨鏄疉A + AAAAAAAAAA + AAAAAAAAAA + BBBBBBBBBB錛岃繖鏍蜂竴鐩存媶涓嬪幓錛岀洿鍒板叏閮ㄦ槸A涓烘錛屼綘灝卞緱鍒板疄闄呯殑鏁板間簡錛屽疄闄呯殑鏁板煎氨鏄疉鐨勪釜鏁幫紝璁頒綇榪欎竴鐐癸紝鏁板煎拰榪涘埗鏄袱鐮佷簨銆?/p>
鐒跺悗錛屽弽榪囨潵錛屾庝箞鎶婁竴涓暟鍊艱漿鍖栦負(fù)鐗瑰畾榪涘埗鍛紵寰堢畝鍗曪紝鎸夌収榪涘埗鐨勫畾涔夛紝姣斿鐜板湪鏈夋暟鍊糀AAAAAAAAAAAAAAAAAAAAAA錛岀劧鍚庯紝瑕佽漿鎴?0榪涘埗錛岄偅涔堟垜浠瘡10涓垎涓鍒嗙粍錛欰AAAAAAAAA + AAAAAAAAAA + AAA錛岀劧鍚庯紝鎶?0涓狝鐢˙鏉ヨ〃紺猴紝寰楀埌錛欱 + B + AAA錛屽鏋淏鏈?0涓紝閭ｅ啀鎶婂畠鎹㈡垚C琛ㄧず銆傞偅涔堬紝濡傛灉浣犳槑鐧戒簡浠ヤ笂鏂規(guī)硶錛屼綘灝卞緱鍒頒竴涓渶鍩烘湰鐨勮繘鍒惰漿鎹㈡墜孌碉紝灝辨槸鍏堝寲涓烘暟鍊鹼紝鍐嶉噸鏂扮敤鍙︿竴涓繘鍒惰〃紺恒傛瘮濡?0榪涘埗鐨?3錛岃鍖栨垚浜岃繘鍒訛紝閭ｄ箞錛屽氨鏄疊AAA -> AAAAAAAAAAA -> AA AA AA AA AA AA A 榪欐椂錛屾崲涓涓鍙鳳紝姣忎袱涓狝鐢ㄤ竴涓狹琛ㄧず錛岄偅涔堝氨鏄疢M MM MM A錛屽啀姣忎袱涓狹鐢ㄤ竴涓狽琛ㄧず錛屽緱鍒癗N N A錛屽啀姣忎袱涓狽鐢ㄤ竴涓狿琛ㄧず錛屽緱鍒癙 N A銆傝屽湪榪欓噷錛屼竴涓狿絳変簬8涓狝錛屼竴涓狽絳変簬4涓狝錛屾墍浠 + N + A浣犲彲浠ラ獙綆楀嚭8 + 4 + 1錛岀瓑浜庡師鏉ョ殑鏁板箋傝岃繖縐嶈〃紺烘柟娉曪紝灝卞拰緗楅┈鏁板瓧寰堢浉浼鹼紝緗楅┈鏁板瓧閲岋紝鐢↖琛ㄧず1錛岀敤V琛ㄧず5錛岀敤X琛ㄧず10錛屼簬鏄?8灝辯敤XVIII琛ㄨ揪錛岀敤涓涓瓧姣嶅嬈￠噸澶嶆潵琛ㄨ揪涓涓暟鍊箋?/p>
鍚庢潵錛屼負(fù)浜嗚兘鏇存柟渚夸功鍐欙紝鍥犱負(fù)瀛楁瘝鏁伴噺鏄湁闄愮殑錛屾棤娉曡〃杈炬洿澶х殑鏁板瓧錛屼功鍐欐柟寮忔敼鐢ㄩ樋鎷変集鏁板瓧鍐欏湪涓嶅悓鐨勪綅緗潵琛ㄨ揪錛屼簬鏄氨鏄垜浠粖澶╃殑10榪涘埗鏁板瓧銆傛瘮濡傚垰鍒氱殑渚嬪瓙錛孊AAA錛屾湁涓涓狟錛屼簬鏄湪鍗佷綅鍐?錛岀劧鍚庢湁涓変釜B錛屽湪涓綅鍐?錛屼篃灝辨槸B鐨勪釜鏁幫紝緇勫悎璧鋒潵灝辨槸13錛岃繖鏄崄榪涘埗鐨勬儏鍐點(diǎn)傚鏋滄槸浜岃繘鍒訛紝鍒氬垰鎴戜滑寰楀埌鐨勭粨鏋滄槸PNA錛屾敞鎰忚繖閲屾病鏈塎錛岀浉褰撲簬0涓紝鑰屽鏋滄垜浠敤浜岃繘鍒跺啓錛岄偅灝辨湁鍥涗釜浣嶏紝涓綅鏈変竴涓狝錛岃1錛岀浜屼綅鐩稿綋浜嶮鐨勪釜鏁幫紝鏄?錛岀粍鍚堣搗鏉ユ槸01錛岀涓変綅鏄疦錛岃1錛岀粍鍚堟槸101錛岀鍥涗綅鏈変竴涓狿錛屽啀緇勫悎灝辨槸1101錛屼簬鏄繖灝辨槸10榪涘埗鐨?3錛屽寲涓轟簩榪涘埗鐨勭粨鏋溿?/p>
3.榪涘埗鐨勭壒鐐?br /> 闂綘錛?638闄や互10鐨勪綑鏁版槸澶氬皯錛熺粰浣犱竴縐掔鎬濊冩椂闂達(dá)紝澶氬皯錛熷鏋滆繖涓綘涓嶈兘椹笂璇村嚭鏉ワ紝閭ｄ綘灝辮鍙嶇渷浜嗐傜粨鏋滃簲璇ユ槸8錛岀洿鎺ョ湅涓綅涓嶅氨瀵逛簡銆傞偅涔?638闄や互10鐨勫晢鍛紵鍐嶇粰浣犱竴縐掋傘傘傘傘傘傘傘傘傘傘傘傘傘傘傘傘傘傘傝繖涓瓟閿欑殑璇濊閲嶈灝忓浜嗭紝絳旀褰撶劧鏄?63.8錛屽鏋滄妸榪欎釜鏁板彇鏁達(dá)紝涓嶈灝忔暟閮ㄥ垎錛岄偅灝辨槸363銆傚皬瀛︾殑鏃跺欎綘灝卞簲璇ョ煡閬擄紝瀵逛竴涓暟涔樹互10鎴栬呴櫎浠?0榪欑璁＄畻鏄秴綆鍗曠殑錛屽洜涓烘垜浠敤鐨勬槸10榪涘埗銆傜被浼肩殑錛岄棶涓涓嬩綘錛岀粡榪?0涓?縐掓槸澶氬皯鍒嗛挓澶氬皯縐掞紵鍐嶇粰浣犱竴縐掓濊冩椂闂達(dá)紝瑕佹涓嶇姽璞殑鍥炵瓟鎴戙備綘鍙埆鍘昏綆?0*5=300錛岃繖鏄浣欑殑銆傜瓟妗堟槸5鍒嗛挓錛屾椂闂存垜浠敤鐨?0榪涘埗錛岄偅涔堜箻浠?0鍙鏀逛竴涓嬪崟浣嶅氨瓚沖浜嗭紝鑲畾鏄鐨勩傚啀闂綘錛?0鍒嗛挓鍒嗘垚60浠芥槸澶氬皯縐掞紵浣犲繀欏葷珛鍗沖洖絳旀垜鏄?0縐掋?br /> 鎴戜滑鎺ㄥ箍鍒頒換鎰弅榪涘埗錛屾寜榪欎釜鐗圭偣錛宬榪涘埗涓嬶紝涔樹互k鎴栬呴櫎浠鐨勮繍綆楁槸瓚呯駭綆鍗曠殑錛屾瘮濡?榪涘埗鐨?23錛屼箻浠?鑲畾鏄?230錛岄櫎浠?灝辨槸12.3錛岀浉褰撲簬鍦ㄧЩ鍔ㄥ皬鏁扮偣鑰屽凡銆備簬鏄紝k榪涘埗涓嬩箻闄灝辨槸縐誨姩灝忔暟鐐廣傝岄櫎浠姹備綑鏁扮殑璇濓紝鍍忓垰鍒氱殑8榪涘埗鐨?23闄や互8錛屽氨絳変簬12浣?錛屽氨鏄寰楀埌涓綅涓婄殑鏁板瓧錛屽悓鏃跺緱鍒板師鏉ョ殑鏁拌垗寮冩帀涓綅鐨勭粨鏋溿傝繖涓ц川闈炲父鐨勯噸瑕侊紒闄ゆ硶鐨勬湰璐ㄦ槸浠涔堬紵鍏跺疄闄や互k鏄緱鍒拌闄ゆ暟鍦╧榪涘埗涓嬬殑涓綅鏁幫紙浣欐暟錛夛紝鍜屽皬鏁扮偣宸︾Щ鐨勭粨鏋滐紙鍟嗭級(jí)銆?/p>
4. C涓嬪疄鐜版暟鍊艱漿鍖栦負(fù)榪涘埗
濂斤紝鐜板湪鍥炲埌紼嬪簭錛岀粰浣犱竴涓猧nt n錛岃鎶婂畠鐨勫悇浣嶄笂鐨勬暟瀛楀彇鍑烘潵錛屾寜涓婇潰鐨勬ц川錛岄偅灝卞緢綆鍗曚簡錛屽厛寰楀埌涓綅錛宯%10錛堣繖涓?#8217;%'鏄眰浣欒繍綆楋級(jí)錛岀劧鍚庡皬鏁扮偣宸︾Щ錛宯 = n / 10; 鐒跺悗涓嶆柇寰幆榪欎釜榪囩▼錛屽涓嬩唬鐮侊細(xì)
int n = 2456;
while (n > 0)
{
printf("%d,", n % 10);
n = n / 10;
}
杈撳嚭緇撴灉鏄?#8221;6,5,4,2,”錛屽ソ濂介鎮(zhèn)熶竴涓嬭繖孌典唬鐮併傜粰浣犱簲鍒嗛挓鏃墮棿銆傛瘡涓嬈?10灝辨槸鍙栧嚭涓綅錛屾瘡涓嬈?10灝辨槸涓㈡帀涓綅銆?br /> 鑰屽鏋滄妸杈撳嚭鐨勭粨鏋滈噷鐨勬暟瀛楋紝閫嗚繃鏉ョ湅錛屽氨鏄?#8221;2456″銆?/p>
鍦ㄨ繖閲岋紝閭ｄ釜int鎵琛ㄧず鐨勶紝灝辨槸涓涓暟鍊鹼紝鍒氬垰鎴戜滑鐨勪唬鐮佹墍鍋氱殑浜嬪氨鏄妸榪欎釜鏁板鹼紝涓浣嶄竴浣嶇殑鍒嗚В鍑烘潵銆?br /> 鑰屼簨瀹炰笂錛岃繖涓繃紼嬪氨鏄妸鏁板艱漿鍖栦負(fù)鐗瑰畾榪涘埗鐨勮繃紼嬨傚垰鍒氬氨鏄妸鏁板艱漿鍖栦負(fù)10榪涘埗銆?br /> 濡傛灉鎶婂垰鍒氱殑浠ｇ爜鏀逛負(fù)錛?/p>
int n = 13;
while (n > 0)
{
printf("%d,", n % 2);
n = n / 2;
}
娌￠敊錛岃緭鍑虹粨鏋滄槸”1,0,1,1″錛屽氨鏄垰鍒氭妸13鍖栦負(fù)浜岃繘鍒剁殑渚嬪瓙錛屾瘡涓嬈?2灝辨槸鍙栧嚭浜岃繘鍒朵笅鐨勪釜浣嶏紝姣忎竴嬈?2灝辨槸涓㈡帀浜岃繘鍒朵笅鐨勪釜浣嶃?br /> 鍙鎶婇偅涓搴忓弽榪囨潵錛屽氨寰楀埌1101錛屽氨鏄?3鍖栦負(fù)浜岃繘鍒剁殑緇撴灉銆傚湪浣犵湡姝ｆ悶鏄庣櫧浜嗛櫎娉曠殑鏈川鍚庯紝閭ｄ箞錛屾暟鍊艱漿鍖栦負(fù)浠榪涘埗琛ㄧず閭ｆ槸涓浠跺緢綆鍗曠殑浜嬨?/p>
5. 榪涘埗杞寲涓烘暟鍊?br /> 榪欓儴鍒嗘垜涓嶆墦綆楄錛屽緢澶氫漢瀵硅繖涓瘮璧峰墠闈㈢殑鍐呭鏉ヨ瀹規(guī)槗鐞嗚В寰堝錛岀洿鎺ョ敤榪涘埗鐨勫畾涔夊氨宸茬粡寰堝ソ鍔炰簡錛屾病浠涔堝お闅劇悊瑙ｇ殑涓滆タ銆?/p>
6. 浣滀笟
緙栧啓涓涓▼搴忥紝杈撳叆涓変釜鏁存暟n A B錛岃〃紺烘妸A榪涘埗鐨刵錛岃漿鎹負(fù)B榪涘埗錛屽茍杈撳嚭銆?br />
鏍蜂緥錛?br />
杈撳叆 杈撳嚭
11 8 10 9
129 10 2 10000001
22 3 6 12
鍋囧畾杈撳叆鐨凙鍜孊閮藉湪2-10榪欎釜鑼冨洿錛岃秴鍑鴻寖鍥寸殑涓嶇敤鍘誨鐞嗭紝杈撳叆鐨刵淇濊瘉鍦╥nt鑼冨洿鍐呫?/p>
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