銆銆0-9瀵瑰簲0-9;
銆銆A-F瀵瑰簲10-15;
銆銆N榪涘埗鐨勬暟鍙互鐢?---(N-1)鐨勬暟琛ㄧず瓚呰繃9鐨勭敤瀛楁瘝A-F
銆銆渚嬪:
銆銆10榪涘埗鐨?2琛ㄧず鎴?6榪涘埗灝辨槸:20
銆銆16榪涘埗鐨?2琛ㄧず鎴?0榪涘埗灝辨槸:3×16^1+2×16^0=50
銆銆6.1 涓轟粈涔堥渶瑕佸叓榪涘埗鍜屽崄鍏繘鍒?
銆銆緙栫▼涓紝鎴戜滑甯哥敤鐨勮繕鏄?0榪涘埗……姣曠珶C/C++鏄珮綰ц璦銆?br /> 銆銆姣斿錛?br /> 銆銆int a = 100,b = 99;
銆銆涓嶈繃錛岀敱浜庢暟鎹湪璁＄畻鏈轟腑鐨勮〃紺猴紝鏈緇堜互浜岃繘鍒剁殑褰㈠紡瀛樺湪錛屾墍浠ユ湁鏃跺欎嬌鐢ㄤ簩榪涘埗錛屽彲浠ユ洿鐩磋鍦拌В鍐抽棶棰樸?br /> 銆銆浣嗭紝浜岃繘鍒舵暟澶暱浜嗐傛瘮濡俰nt 綾誨瀷鍗犵敤4涓瓧鑺傦紝32浣嶃傛瘮濡?00錛岀敤int綾誨瀷鐨勪簩榪涘埗鏁拌〃杈懼皢鏄細
銆銆0000 0000 0000 0000 0110 0100
銆銆闈㈠榪欎箞闀跨殑鏁拌繘琛屾濊冩垨鎿嶄綔錛屾病鏈変漢浼氬枩嬈€傚洜姝わ紝C,C++ 娌℃湁鎻愪緵鍦ㄤ唬鐮佺洿鎺ュ啓浜岃繘鍒舵暟鐨勬柟娉曘?br /> 銆銆鐢?6榪涘埗鎴?榪涘埗鍙互瑙ｅ喅榪欎釜闂銆傚洜涓猴紝榪涘埗瓚婂ぇ錛屾暟鐨勮〃杈鵑暱搴︿篃灝辮秺鐭備笉榪囷紝涓轟粈涔堝亸鍋忔槸16鎴?榪涘埗錛岃屼笉鍏跺畠鐨勶紝璇稿9鎴?0榪涘埗鍛紵
銆銆2銆?銆?6錛屽垎鍒槸2鐨?嬈℃柟錛?嬈℃柟錛?嬈℃柟銆傝繖涓鐐逛嬌寰椾笁縐嶈繘鍒朵箣闂村彲浠ラ潪甯哥洿鎺ュ湴浜掔浉杞崲銆?榪涘埗鎴?6榪涘埗緙╃煭浜嗕簩榪涘埗鏁幫紝浣嗕繚鎸佷簡浜岃繘鍒舵暟鐨勮〃杈劇壒鐐廣傚湪涓嬮潰鐨勫叧浜庤繘鍒惰漿鎹㈢殑璇劇▼涓紝浣犲彲浠ュ彂鐜拌繖涓鐐廣?br /> 銆銆6.2 浜屻佸叓銆佸崄鍏繘鍒舵暟杞崲鍒板崄榪涘埗鏁?br /> 銆銆6.2.1 浜岃繘鍒舵暟杞崲涓哄崄榪涘埗鏁?br /> 銆銆浜岃繘鍒舵暟絎?浣嶇殑鏉冨兼槸2鐨?嬈℃柟錛岀1浣嶇殑鏉冨兼槸2鐨?嬈℃柟……
銆銆鎵浠ワ紝璁炬湁涓涓簩榪涘埗鏁幫細0110 0100錛岃漿鎹負(fù)10榪涘埗涓猴細
銆銆涓嬮潰鏄珫寮忥細
銆銆0110 0100 鎹㈢畻鎴?鍗佽繘鍒?br /> 銆銆絎?浣?0 * 2^0 = 0
銆銆絎?浣?0 * 2^1 = 0
銆銆絎?浣?1 * 2^2 = 4
銆銆絎?浣?0 * 2^3 = 0
銆銆絎?浣?0 * 2^4 = 0
銆銆絎?浣?1 * 2^5 = 32
銆銆絎?浣?1 * 2^6 = 64
銆銆絎?浣?0 * 2^7 = 0 錛?br /> 銆銆---------------------------
銆銆100
銆銆鐢ㄦí寮忚綆椾負(fù)錛?br /> 銆銆0 * 2^0 + 0 * 2^1 + 1 * 2^2 + 0 * 2^3 + 0 * 2^4 + 1 * 2^5 + 1 * 2^6 + 0 * 2^7 = 100
銆銆0涔樹互澶氬皯閮芥槸0錛屾墍浠ユ垜浠篃鍙互鐩存帴璺寵繃鍊間負(fù)0鐨勪綅錛?br /> 銆銆1 * 2^2 + 1 * 2^3 + 1 * 2^5 + 1 * 2^6 = 100
銆銆涓婇潰閿欑殑錛屾敼
銆銆1 * 2^2 + 1 * 2^5 + 1 * 2^6 = 100
銆銆4 + 32 + 64 =100
銆銆6.2.2 鍏繘鍒舵暟杞崲涓哄崄榪涘埗鏁?br /> 銆銆鍏繘鍒跺氨鏄?榪?銆?br /> 銆銆鍏繘鍒舵暟閲囩敤 0锝?榪欏叓鏁版潵琛ㄨ揪涓涓暟銆?br /> 銆銆鍏繘鍒舵暟絎?浣嶇殑鏉冨間負(fù)8鐨?嬈℃柟錛岀1浣嶆潈鍊間負(fù)8鐨?嬈℃柟錛岀2浣嶆潈鍊間負(fù)8鐨?嬈℃柟……
銆銆鎵浠ワ紝璁炬湁涓涓叓榪涘埗鏁幫細1507錛岃漿鎹負(fù)鍗佽繘鍒朵負(fù)錛?br /> 銆銆鐢ㄧ珫寮忚〃紺猴細
銆銆1507鎹㈢畻鎴愬崄榪涘埗銆?br /> 銆銆絎?浣?7 * 8^0 = 7
銆銆絎?浣?0 * 8^1 = 0
銆銆絎?浣?5 * 8^2 = 320
銆銆絎?浣?1 * 8^3 = 512 錛?br /> 銆銆--------------------------
銆銆839
銆銆鍚屾牱錛屾垜浠篃鍙互鐢ㄦí寮忕洿鎺ヨ綆楋細
銆銆7 * 8^0 + 0 * 8^1 + 5 * 8^2 + 1 * 8^3 = 839
銆銆緇撴灉鏄紝鍏繘鍒舵暟 1507 杞崲鎴愬崄榪涘埗鏁頒負(fù) 839
銆銆6.2.3 鍏繘鍒舵暟鐨勮〃杈炬柟娉?br /> 銆銆C,C++璇█涓紝濡備綍琛ㄨ揪涓涓叓榪涘埗鏁板憿錛熷鏋滆繖涓暟鏄?876,鎴戜滑鍙互鏂畾瀹冧笉鏄叓榪涘埗鏁幫紝鍥犱負(fù)鍏繘鍒舵暟涓笉鍙兘鍑?浠ヤ笂鐨勯樋鎷変集鏁板瓧銆備絾濡傛灉榪欎釜鏁版槸123銆佹槸567錛屾垨12345670錛岄偅涔堝畠鏄叓榪涘埗鏁拌繕鏄?0榪涘埗鏁幫紝閮芥湁鍙兘銆?br /> 銆銆鎵浠?C,C++瑙勫畾錛屼竴涓暟濡傛灉瑕佹寚鏄庡畠閲囩敤鍏繘鍒訛紝蹇呴』鍦ㄥ畠鍓嶉潰鍔犱笂涓涓?錛屽錛?23鏄崄榪涘埗錛屼絾0123鍒欒〃紺洪噰鐢ㄥ叓榪涘埗銆傝繖灝辨槸鍏繘鍒舵暟鍦–銆丆++涓殑琛ㄨ揪鏂規(guī)硶銆?br /> 銆銆鐢變簬C鍜孋++閮芥病鏈夋彁渚涗簩榪涘埗鏁扮殑琛ㄨ揪鏂規(guī)硶錛屾墍浠ワ紝榪欓噷鎵瀛︾殑鍏繘鍒舵槸鎴戜滑瀛︿範(fàn)鐨勶紝CtC++璇█鐨勬暟鍊艱〃杈劇殑絎簩縐嶈繘鍒舵硶銆?br /> 銆銆鐜板湪錛屽浜庡悓鏍蜂竴涓暟錛屾瘮濡傛槸100錛屾垜浠湪浠ｇ爜涓彲浠ョ敤騫沖父鐨?0榪涘埗琛ㄨ揪錛屼緥濡傚湪鍙橀噺鍒濆鍖栨椂錛?br /> 銆銆int a = 100;
銆銆鎴戜滑涔熷彲浠ヨ繖鏍峰啓錛?br /> 銆銆int a = 0144; //0144鏄叓榪涘埗鐨?00錛涗竴涓?0榪涘埗鏁板浣曡漿鎴?榪涘埗錛屾垜浠悗闈細瀛﹀埌銆?br /> 銆銆鍗冧竾璁頒綇錛岀敤鍏繘鍒惰〃杈炬椂錛屼綘涓嶈兘灝戜簡鏈鍓嶇殑閭ｄ釜0銆傚惁鍒欒綆楁満浼氶氶氬綋鎴?0榪涘埗銆備笉榪囷紝鏈変竴涓湴鏂逛嬌鐢ㄥ叓榪涘埗鏁版椂錛屽嵈涓嶈兘浣跨敤鍔?錛岄偅灝辨槸鎴戜滑鍓嶉潰瀛︾殑鐢ㄤ簬琛ㄨ揪瀛楃鐨?#8220;杞箟絎?#8221;琛ㄨ揪娉曘?br /> 銆銆6.2.4 鍏繘鍒舵暟鍦ㄨ漿涔夌涓殑浣跨敤
銆銆鎴戜滑瀛﹁繃鐢ㄤ竴涓漿涔夌\'\\'鍔犱笂涓涓壒孌婂瓧姣嶆潵琛ㄧず鏌愪釜瀛楃鐨勬柟娉曪紝濡傦細\'\n\'琛ㄧず鎹㈣(line)錛岃孿'\t\'琛ㄧずTab瀛楃錛孿'\\'\'鍒欒〃紺哄崟寮曞彿銆備粖澶╂垜浠張瀛︿範(fàn)浜嗕竴縐嶄嬌鐢ㄨ漿涔夌鐨勬柟娉曪細杞箟絎'\\'鍚庨潰鎺ヤ竴涓叓榪涘埗鏁幫紝鐢ㄤ簬琛ㄧずASCII鐮佺瓑浜庤鍊肩殑瀛楃銆?br /> 銆銆姣斿錛屾煡涓涓嬬5绔犱腑鐨凙SCII鐮佽〃錛屾垜浠壘鍒伴棶鍙峰瓧絎︼紙?)鐨凙SCII鍊兼槸63錛岄偅涔堟垜浠彲浠ユ妸瀹冭漿鎹負(fù)鍏繘鍊鹼細77錛岀劧鍚庣敤 \'\77\'鏉ヨ〃紺篭'?\'銆傜敱浜庢槸鍏繘鍒訛紝鎵浠ユ湰搴斿啓鎴?\'\077\'錛屼絾鍥犱負(fù)C,C++瑙勫畾涓嶅厑璁鎬嬌鐢ㄦ枩鏉犲姞10榪涘埗鏁版潵琛ㄧず瀛楃錛屾墍浠ヨ繖閲岀殑0鍙互涓嶅啓銆?br /> 銆銆浜嬪疄涓婃垜浠緢灝戝湪瀹為檯緙栫▼涓潪瑕佺敤杞箟絎﹀姞鍏繘鍒舵暟鏉ヨ〃紺轟竴涓瓧絎︼紝鎵浠ワ紝6.2.4灝忚妭鐨勫唴瀹癸紝澶у浠呬粎浜嗚В灝辮銆?br /> 銆銆6.2.5 鍗佸叚榪涘埗鏁拌漿鎹㈡垚鍗佽繘鍒舵暟
銆銆2榪涘埗錛岀敤涓や釜闃挎媺浼暟瀛楋細0銆?錛?br /> 銆銆8榪涘埗錛岀敤鍏釜闃挎媺浼暟瀛楋細0銆?銆?銆?銆?銆?銆?銆?錛?br /> 銆銆10榪涘埗錛岀敤鍗佷釜闃挎媺浼暟瀛楋細0鍒?錛?br /> 銆銆16榪涘埗錛岀敤鍗佸叚涓樋鎷変集鏁板瓧……絳夌瓑錛岄樋鎷変集浜烘垨璇存槸鍗板害浜猴紝鍙彂鏄庝簡10涓暟瀛楀晩錛?br /> 銆銆16榪涘埗灝辨槸閫?6榪?錛屼絾鎴戜滑鍙湁0~9榪欏崄涓暟瀛楋紝鎵浠ユ垜浠敤A錛孊錛孋錛孌錛孍錛孎榪欎簲涓瓧姣嶆潵鍒嗗埆琛ㄧず10錛?1錛?2錛?3錛?4錛?5銆傚瓧姣嶄笉鍖哄垎澶у皬鍐欍?br /> 銆銆鍗佸叚榪涘埗鏁扮殑絎?浣嶇殑鏉冨間負(fù)16鐨?嬈℃柟錛岀1浣嶇殑鏉冨間負(fù)16鐨?嬈℃柟錛岀2浣嶇殑鏉冨間負(fù)16鐨?嬈℃柟……
銆銆鎵浠ワ紝鍦ㄧN錛圢浠?寮濮嬶級浣嶄笂錛屽鏋滄槸鏄暟 X 錛圶 澶т簬絳変簬0錛屽茍涓擷灝忎簬絳変簬 15錛屽嵆錛欶錛夎〃紺虹殑澶у皬涓?X * 16鐨凬嬈℃柟銆?br /> 銆銆鍋囪鏈変竴涓崄鍏繘鏁?2AF5, 閭ｄ箞濡備綍鎹㈢畻鎴?0榪涘埗鍛紵
銆銆鐢ㄧ珫寮忚綆楋細 2AF5鎹㈢畻鎴?0榪涘埗:
銆銆絎?浣嶏細 5 * 16^0 = 5
銆銆絎?浣嶏細 F * 16^1 = 240
銆銆絎?浣嶏細 A * 16^2 = 2560
銆銆絎?浣嶏細 2 * 16^3 = 8192 錛?br /> 銆銆-------------------------------------
銆銆10997
銆銆鐩存帴璁＄畻灝辨槸錛?br /> 銆銆5 * 16^0 + F * 16^1 + A * 16^2 + 2 * 16^3 = 10997
銆銆(鍒繕浜嗭紝鍦ㄤ笂闈㈢殑璁＄畻涓紝A琛ㄧず10錛岃孎琛ㄧず15)
銆銆鐜板湪鍙互鐪嬪嚭錛屾墍鏈夎繘鍒舵崲綆楁垚10榪涘埗錛屽叧閿湪浜庡悇鑷殑鏉冨間笉鍚屻?br /> 銆銆鍋囪鏈変漢闂綘錛屽崄榪涙暟 1234 涓轟粈涔堟槸 涓鍗冧簩鐧句笁鍗佸洓錛熶綘灝藉彲浠ョ粰浠栬繖涔堜竴涓畻寮忥細
銆銆1234 = 1 * 10^3 + 2 * 10^2 + 3 * 10^1 + 4 * 10^0
銆銆6.2.6 鍗佸叚榪涘埗鏁扮殑琛ㄨ揪鏂規(guī)硶
銆銆濡傛灉涓嶄嬌鐢ㄧ壒孌婄殑涔﹀啓褰㈠紡錛?6榪涘埗鏁頒篃浼氬拰10榪涘埗鐩告販銆傞殢渚夸竴涓暟錛?876錛屽氨鐪嬩笉鍑哄畠鏄?6榪涘埗鎴?0榪涘埗銆?br /> 銆銆C錛孋++瑙勫畾錛?6榪涘埗鏁板繀欏諱互 0x寮澶淬傛瘮濡?0x1琛ㄧず涓涓?6榪涘埗鏁般傝?鍒欒〃紺轟竴涓崄榪涘埗銆傚彟澶栧錛?xff,0xFF,0X102A,絳夌瓑銆傚叾涓殑x涔熶篃涓嶅尯鍒嗗ぇ灝忓啓銆?娉ㄦ剰錛?x涓殑0鏄暟瀛?錛岃屼笉鏄瓧姣峅)
銆銆浠ヤ笅鏄竴浜涚敤娉曠ず渚嬶細
銆銆int a = 0x100F;
銆銆int b = 0x70 + a;
銆銆鑷蟲錛屾垜浠瀹屼簡鎵鏈夎繘鍒訛細10榪涘埗錛?榪涘埗錛?6榪涘埗鏁扮殑琛ㄨ揪鏂瑰紡銆傛渶鍚庝竴鐐瑰緢閲嶈錛孋/C++涓紝10榪涘埗鏁版湁姝ｈ礋涔嬪垎錛屾瘮濡?2琛ㄧず姝?2錛岃?12琛ㄧず璐?2錛岋紱浣?榪涘埗鍜?6榪涘埗鍙兘鐢ㄨ揪鏃犵鍙風(fēng)殑姝ｆ暣鏁幫紝濡傛灉浣犲湪浠ｇ爜涓噷錛?078錛屾垨鑰呭啓錛?0xF2,C,C++騫朵笉鎶婂畠褰撴垚涓涓礋鏁般?br /> 銆銆6.2.7 鍗佸叚榪涘埗鏁板湪杞箟絎︿腑鐨勪嬌鐢?br /> 銆銆杞箟絎︿篃鍙互鎺ヤ竴涓?6榪涘埗鏁版潵琛ㄧず涓涓瓧絎︺傚鍦?.2.4灝忚妭涓鐨?\'?\' 瀛楃錛屽彲浠ユ湁浠ヤ笅琛ㄨ揪鏂瑰紡錛?br /> 銆銆\'?\' //鐩存帴杈撳叆瀛楃
銆銆\'\77\' //鐢ㄥ叓榪涘埗錛屾鏃跺彲浠ョ渷鐣ュ紑澶寸殑0
銆銆\'\0x3F\' //鐢ㄥ崄鍏繘鍒?br /> 銆銆鍚屾牱錛岃繖涓灝忚妭鍙敤浜庝簡瑙ｃ傞櫎浜嗙┖瀛楃鐢ㄥ叓榪涘埗鏁?\'\0\' 琛ㄧず浠ュ錛屾垜浠緢灝戠敤鍚庝袱縐嶆柟娉曡〃紺轟竴涓瓧絎︺?br /> 銆銆6.3 鍗佽繘鍒舵暟杞崲鍒頒簩銆佸叓銆佸崄鍏繘鍒舵暟
銆銆6.3.1 10榪涘埗鏁拌漿鎹負(fù)2榪涘埗鏁?br /> 銆銆緇欎綘涓涓崄榪涘埗錛屾瘮濡傦細6錛屽鏋滃皢瀹冭漿鎹㈡垚浜岃繘鍒舵暟鍛紵
銆銆10榪涘埗鏁拌漿鎹㈡垚浜岃繘鍒舵暟錛岃繖鏄竴涓繛緇櫎2鐨勮繃紼嬶細
銆銆鎶婅杞崲鐨勬暟錛岄櫎浠?錛屽緱鍒板晢鍜屼綑鏁幫紝
銆銆灝嗗晢緇х畫闄や互2錛岀洿鍒板晢涓?銆傛渶鍚庡皢鎵鏈変綑鏁板掑簭鎺掑垪錛屽緱鍒版暟灝辨槸杞崲緇撴灉銆?br /> 銆銆鍚搗鏉ユ湁浜涚硦娑傦紵鎴戜滑緇撳悎渚嬪瓙鏉ヨ鏄庛傛瘮濡傝杞崲6涓轟簩榪涘埗鏁般?br /> 銆銆“鎶婅杞崲鐨勬暟錛岄櫎浠?錛屽緱鍒板晢鍜屼綑鏁?#8221;銆?br /> 銆銆閭ｄ箞錛?br /> 銆銆瑕佽漿鎹㈢殑鏁版槸6錛?6 ÷ 2錛屽緱鍒板晢鏄?錛屼綑鏁版槸0銆?錛堜笉瑕佸憡璇夋垜浣犱笉浼氳綆?÷3錛侊級
銆銆“灝嗗晢緇х畫闄や互2,鐩村埌鍟嗕負(fù)0……”
銆銆鐜板湪鍟嗘槸3錛岃繕涓嶆槸0錛屾墍浠ョ戶緇櫎浠?銆?br /> 銆銆閭ｅ氨錛?3 ÷ 2, 寰楀埌鍟嗘槸1,浣欐暟鏄?銆?br /> 銆銆“灝嗗晢緇х畫闄や互2錛岀洿鍒板晢涓?……”
銆銆鐜板湪鍟嗘槸1錛岃繕涓嶆槸0錛屾墍浠ョ戶緇櫎浠?銆?br /> 銆銆閭ｅ氨錛?1 ÷ 2, 寰楀埌鍟嗘槸0錛屼綑鏁版槸1 錛堟嬁絎旂焊綆椾竴涓嬶紝1÷2鏄笉鏄晢0浣?!錛?br /> 銆銆“灝嗗晢緇х畫闄や互2錛岀洿鍒板晢涓?……鏈鍚庡皢鎵鏈変綑鏁板掑簭鎺掑垪”
銆銆濂芥瀬錛佺幇鍦ㄥ晢宸茬粡鏄?銆?br /> 銆銆鎴戜滑涓夋璁＄畻渚濇寰楀埌浣欐暟鍒嗗埆鏄細0銆?銆?錛屽皢鎵鏈変綑鏁板掑簭鎺掑垪錛岄偅灝辨槸錛?10浜嗭紒
銆銆6杞崲鎴愪簩榪涘埗錛岀粨鏋滄槸110銆?br /> 銆銆鎶婁笂闈㈢殑涓孌墊敼鎴愮敤琛ㄦ牸鏉ヨ〃紺猴紝鍒欎負(fù)錛?br /> 銆銆琚櫎鏁?璁＄畻榪囩▼ 鍟?浣欐暟
銆銆6 6/2 3 0
銆銆3 3/2 1 1
銆銆1 1/2 0 1
銆銆錛堝湪璁＄畻鏈轟腑錛?#247;鐢?/ 鏉ヨ〃紺猴級
銆銆濡傛灉鏄湪鑰冭瘯鏃訛紝鎴戜滑瑕佺敾榪欐牱琛ㄨ繕鏄湁鐐硅垂鏃墮棿錛屾墍鏇村父瑙佺殑鎹㈢畻榪囩▼鏄嬌鐢ㄤ笅鍥劇殑榪為櫎錛?br /> 銆銆錛堝浘錛?錛?br /> 銆銆璇峰ぇ瀹跺鐓у浘錛岃〃錛屽強鏂囧瓧璇存槑錛屽茍涓旇嚜宸辨嬁絎旇綆椾竴閬嶅浣曞皢6杞崲涓轟簩榪涘埗鏁般?br /> 銆銆璇翠簡鍗婂ぉ錛屾垜浠殑杞崲緇撴灉瀵瑰悧錛熶簩榪涘埗鏁?10鏄?鍚楋紵浣犲凡緇忓浼氬浣曞皢浜岃繘鍒舵暟杞崲鎴?0榪涘埗鏁頒簡錛屾墍浠ヨ鐜板湪灝辮綆椾竴涓?10鎹㈡垚10榪涘埗鏄惁灝辨槸6銆?br /> 銆銆6.3.2 10榪涘埗鏁拌漿鎹負(fù)8銆?6榪涘埗鏁?br /> 銆銆闈炲父寮蹇冿紝10榪涘埗鏁拌漿鎹㈡垚8榪涘埗鐨勬柟娉曪紝鍜岃漿鎹負(fù)2榪涘埗鐨勬柟娉曠被浼鹼紝鍞竴鍙樺寲錛氶櫎鏁扮敱2鍙樻垚8銆?br /> 銆銆鏉ョ湅涓涓緥瀛愶紝濡備綍灝嗗崄榪涘埗鏁?20杞崲鎴愬叓榪涘埗鏁般?br /> 銆銆鐢ㄨ〃鏍艱〃紺猴細
銆銆琚櫎鏁?璁＄畻榪囩▼ 鍟?浣欐暟
銆銆120 120/8 15 0
銆銆15 15/8 1 7
銆銆1 1/8 0 1
銆銆120杞崲涓?榪涘埗錛岀粨鏋滀負(fù)錛?70銆?br /> 銆銆闈炲父闈炲父寮蹇冿紝10榪涘埗鏁拌漿鎹㈡垚16榪涘埗鐨勬柟娉曪紝鍜岃漿鎹負(fù)2榪涘埗鐨勬柟娉曠被浼鹼紝鍞竴鍙樺寲錛氶櫎鏁扮敱2鍙樻垚16銆?br /> 銆銆鍚屾牱鏄?20錛岃漿鎹㈡垚16榪涘埗鍒欎負(fù)錛?br /> 銆銆琚櫎鏁?璁＄畻榪囩▼ 鍟?浣欐暟
銆銆120 120/16 7 8
銆銆7 7/16 0 7
銆銆120杞崲涓?6榪涘埗錛岀粨鏋滀負(fù)錛?8銆?br /> 銆銆璇鋒嬁絎旂焊錛岄噰鐢紙鍥撅細1錛夌殑褰㈠紡錛屾紨綆椾笂闈袱涓〃鐨勮繃紼嬨?br /> 銆銆6.4 浜屻佸崄鍏繘鍒舵暟浜掔浉杞崲
銆銆浜岃繘鍒跺拰鍗佸叚榪涘埗鐨勪簰鐩歌漿鎹㈡瘮杈冮噸瑕併備笉榪囪繖浜岃呯殑杞崲鍗翠笉鐢ㄨ綆楋紝姣忎釜C錛孋++紼嬪簭鍛橀兘鑳藉仛鍒扮湅瑙佷簩榪涘埗鏁幫紝鐩存帴灝辮兘杞崲涓哄崄鍏繘鍒舵暟錛屽弽涔嬩害鐒躲?br /> 銆銆鎴戜滑涔熶竴鏍鳳紝鍙瀛﹀畬榪欎竴灝忚妭錛屽氨鑳藉仛鍒般?br /> 銆銆棣栧厛鎴戜滑鏉ョ湅涓涓簩榪涘埗鏁幫細1111錛屽畠鏄灝戝憿錛?br /> 銆銆浣犲彲鑳借繕瑕佽繖鏍瘋綆楋細1 * 2^0 + 1 * 2^1 + 1 * 2^2 + 1 * 2^3 = 1 * 1 + 1 * 2 + 1 * 4 + 1 * 8 = 15銆?br /> 銆銆鐒惰岋紝鐢變簬1111鎵?浣嶏紝鎵浠ユ垜浠繀欏葷洿鎺ヨ浣忓畠姣忎竴浣嶇殑鏉冨鹼紝騫朵笖鏄粠楂樹綅寰浣庝綅璁幫紝錛?銆?銆?銆?銆傚嵆錛屾渶楂樹綅鐨勬潈鍊間負(fù)2^3 錛?8錛岀劧鍚庝緷嬈℃槸 2^2 錛?4錛?^1錛?錛?2^0 錛?1銆?br /> 銆銆璁頒綇8421錛屽浜庝換鎰忎竴涓?浣嶇殑浜岃繘鍒舵暟錛屾垜浠兘鍙互寰堝揩綆楀嚭瀹冨搴旂殑10榪涘埗鍊箋?br /> 銆銆涓嬮潰鍒楀嚭鍥涗綅浜岃繘鍒舵暟 xxxx 鎵鏈夊彲鑳界殑鍊鹼紙涓棿鐣ヨ繃閮ㄥ垎錛?br /> 銆銆浠?浣嶇殑2榪涘埗鏁?蹇熻綆楁柟娉?鍗佽繘鍒跺?鍗佸叚榪涘?br /> 銆銆1111 = 8 + 4 + 2 + 1 = 15 F
銆銆1110 = 8 + 4 + 2 + 0 = 14 E
銆銆1101 = 8 + 4 + 0 + 1 = 13 D
銆銆1100 = 8 + 4 + 0 + 0 = 12 C
銆銆1011 = 8 + 0 + 2 + 1 = 11 B
銆銆1010 = 8 + 0 + 2 + 0 = 10 A
銆銆1001 = 8 + 0 + 0 + 1 = 10 9
銆銆....
銆銆0001 = 0 + 0 + 0 + 1 = 1 1
銆銆0000 = 0 + 0 + 0 + 0 = 0 0
銆銆浜岃繘鍒舵暟瑕佽漿鎹負(fù)鍗佸叚榪涘埗錛屽氨鏄互4浣嶄竴孌碉紝鍒嗗埆杞崲涓哄崄鍏繘鍒躲?br /> 銆銆濡?涓婅涓轟簩鍒舵暟錛屼笅闈負(fù)瀵瑰簲鐨勫崄鍏繘鍒?錛?br /> 銆銆1111 1101 錛?1010 0101 錛?1001 1011
銆銆F D 錛?A 5 錛?9 B
銆銆鍙嶈繃鏉ワ紝褰撴垜浠湅鍒?FD鏃訛紝濡備綍榪呴熷皢瀹冭漿鎹負(fù)浜岃繘鍒舵暟鍛紵
銆銆鍏堣漿鎹錛?br /> 銆銆鐪嬪埌F錛屾垜浠渶鐭ラ亾瀹冩槸15錛堝彲鑳戒綘榪樹笉鐔熸?zhèn)堿锝濬榪欎簲涓暟錛夛紝鐒跺悗15濡備綍鐢?421鍑戝憿錛熷簲璇ユ槸8 + 4 + 2 + 1錛屾墍浠ュ洓浣嶅叏涓? 錛?111銆?br /> 銆銆鎺ョ潃杞崲 D錛?br /> 銆銆鐪嬪埌D錛岀煡閬撳畠鏄?3錛?3濡備綍鐢?421鍑戝憿錛熷簲璇ユ槸錛? + 4 + 1,鍗籌細1101銆?br /> 銆銆鎵浠?FD杞崲涓轟簩榪涘埗鏁幫紝涓猴細 1111 1101
銆銆鐢變簬鍗佸叚榪涘埗杞崲鎴愪簩榪涘埗鐩稿綋鐩存帴錛屾墍浠ワ紝鎴戜滑闇瑕佸皢涓涓崄榪涘埗鏁拌漿鎹㈡垚2榪涘埗鏁版椂錛屼篃鍙互鍏堣漿鎹㈡垚16榪涘埗錛岀劧鍚庡啀杞崲鎴?榪涘埗銆?br /> 銆銆姣斿錛屽崄榪涘埗鏁?1234杞崲鎴愪簩鍒舵暟錛屽鏋滆涓鐩撮櫎浠?錛岀洿鎺ュ緱鍒?榪涘埗鏁幫紝闇瑕佽綆楄緝澶氭鏁般傛墍浠ユ垜浠彲浠ュ厛闄や互16錛屽緱鍒?6榪涘埗鏁?
銆銆琚櫎鏁?璁＄畻榪囩▼ 鍟?浣欐暟
銆銆1234 1234/16 77 2
銆銆77 77/16 4 13 (D)
銆銆4 4/16 0 4
銆銆緇撴灉16榪涘埗涓猴細 0x4D2
銆銆鐒跺悗鎴戜滑鍙洿鎺ュ啓鍑?x4D2鐨勪簩榪涘埗褰㈠紡錛?0100 1101 0010銆?br /> 銆銆鍏朵腑瀵規(guī)槧鍏崇郴涓猴細
銆銆0100 -- 4
銆銆1011 -- D
銆銆0010 -- 2
銆銆鍚屾牱錛屽鏋滀竴涓簩榪涘埗鏁板緢闀匡紝鎴戜滑闇瑕佸皢瀹冭漿鎹㈡垚10榪涘埗鏁版椂錛岄櫎浜嗗墠闈㈠榪囩殑鏂規(guī)硶鏄紝鎴戜滑榪樺彲浠ュ厛灝嗚繖涓簩榪涘埗杞崲鎴?6榪涘埗錛岀劧鍚庡啀杞崲涓?0榪涘埗銆?br /> 銆銆涓嬮潰涓句緥涓涓猧nt綾誨瀷鐨勪簩榪涘埗鏁幫細
銆銆01101101 11100101 10101111 00011011
銆銆鎴戜滑鎸夊洓浣嶄竴緇勮漿鎹負(fù)16榪涘埗錛?6D E5 AF 1B
銆銆6.5 鍘熺爜銆佸弽鐮併佽ˉ鐮?br /> 銆銆緇撴潫浜嗗悇縐嶈繘鍒剁殑杞崲錛屾垜浠潵璋堣皥鍙︿竴涓瘽棰橈細鍘熺爜銆佸弽鐮併佽ˉ鐮併?br /> 銆銆鎴戜滑宸茬粡鐭ラ亾璁＄畻鏈轟腑錛屾墍鏈夋暟鎹渶緇堥兘鏄嬌鐢ㄤ簩榪涘埗鏁拌〃杈俱?br /> 銆銆鎴戜滑涔熷凡緇忓浼氬浣曞皢涓涓?0榪涘埗鏁板浣曡漿鎹負(fù)浜岃繘鍒舵暟銆?br /> 銆銆涓嶈繃錛屾垜浠粛鐒舵病鏈夊涔?fàn)涓涓礋鏁板浣曠敤浜岃繘鍒惰〃杈俱?br /> 銆銆姣斿錛屽亣璁炬湁涓 int 綾誨瀷鐨勬暟錛屽間負(fù)5錛岄偅涔堬紝鎴戜滑鐭ラ亾瀹冨湪璁＄畻鏈轟腑琛ㄧず涓猴細
銆銆00000000 00000000 00000000 00000101
銆銆5杞崲鎴愪簩鍒舵槸101錛屼笉榪噄nt綾誨瀷鐨勬暟鍗犵敤4瀛楄妭錛?2浣嶏級錛屾墍浠ュ墠闈㈠～浜嗕竴鍫?銆?br /> 銆銆鐜板湪鎯崇煡閬擄紝-5鍦ㄨ綆楁満涓浣曡〃紺猴紵
銆銆鍦ㄨ綆楁満涓紝璐熸暟浠ュ叾姝ｅ肩殑琛ョ爜褰㈠紡琛ㄨ揪銆?br /> 銆銆浠涔堝彨琛ョ爜鍛紵榪欏緱浠庡師鐮侊紝鍙嶇爜璇磋搗銆?br /> 銆銆鍘熺爜錛氫竴涓暣鏁幫紝鎸夌収緇濆鍊煎ぇ灝忚漿鎹㈡垚鐨勪簩榪涘埗鏁幫紝縐頒負(fù)鍘熺爜銆?br /> 銆銆姣斿 00000000 00000000 00000000 00000101 鏄?5鐨?鍘熺爜銆?br /> 銆銆鍙嶇爜錛氬皢浜岃繘鍒舵暟鎸変綅鍙栧弽錛屾墍寰楃殑鏂頒簩榪涘埗鏁扮О涓哄師浜岃繘鍒舵暟鐨勫弽鐮併?br /> 銆銆鍙栧弽鎿嶄綔鎸囷細鍘熶負(fù)1錛屽緱0錛涘師涓?錛屽緱1銆傦紙1鍙?; 0鍙?錛?br /> 銆銆姣斿錛氬皢00000000 00000000 00000000 00000101姣忎竴浣嶅彇鍙嶏紝寰?1111111 11111111 11111111 11111010銆?br /> 銆銆縐幫細11111111 11111111 11111111 11111010 鏄?00000000 00000000 00000000 00000101 鐨勫弽鐮併?br /> 銆銆鍙嶇爜鏄浉浜掔殑錛屾墍浠ヤ篃鍙О錛?br /> 銆銆11111111 11111111 11111111 11111010 鍜?00000000 00000000 00000000 00000101 浜掍負(fù)鍙嶇爜銆?br /> 銆銆琛ョ爜錛氬弽鐮佸姞1縐頒負(fù)琛ョ爜銆?br /> 銆銆涔熷氨鏄錛岃寰楀埌涓涓暟鐨勮ˉ鐮侊紝鍏堝緱鍒板弽鐮侊紝鐒跺悗灝嗗弽鐮佸姞涓?錛屾墍寰楁暟縐頒負(fù)琛ョ爜銆?br /> 銆銆姣斿錛?0000000 00000000 00000000 00000101 鐨勫弽鐮佹槸錛?1111111 11111111 11111111 11111010銆?br /> 銆銆閭ｄ箞錛岃ˉ鐮佷負(fù)錛?br /> 銆銆11111111 11111111 11111111 11111010 + 1 = 11111111 11111111 11111111 11111011
銆銆鎵浠ワ紝-5 鍦ㄨ綆楁満涓〃杈句負(fù)錛?1111111 11111111 11111111 11111011銆傝漿鎹負(fù)鍗佸叚榪涘埗錛?xFFFFFFFB銆?br /> 銆銆鍐嶄婦涓渚嬶紝鎴戜滑鏉ョ湅鏁存暟-1鍦ㄨ綆楁満涓浣曡〃紺恒?br /> 銆銆鍋囪榪欎篃鏄竴涓猧nt綾誨瀷錛岄偅涔堬細
銆銆1銆佸厛鍙?鐨勫師鐮侊細00000000 00000000 00000000 00000001
銆銆2銆佸緱鍙嶇爜錛?11111111 11111111 11111111 11111110
銆銆3銆佸緱琛ョ爜錛?11111111 11111111 11111111 11111111
銆銆鍙錛岋紞1鍦ㄨ綆楁満閲岀敤浜岃繘鍒惰〃杈懼氨鏄叏1銆?6榪涘埗涓猴細0xFFFFFF銆?br /> 銆銆涓鍒囬兘鏄焊涓婅鐨?#8230;…璇達紞1鍦ㄨ綆楁満閲岃〃杈句負(fù)0xFFFFFF錛屾垜鑳戒笉鑳戒翰鐪肩湅涓鐪嬪憿錛熷綋鐒跺彲浠ャ傚埄鐢–++ Builder鐨勮皟璇曞姛鑳斤紝鎴戜滑鍙互鐪嬪埌姣忎釜鍙橀噺鐨?6榪涘埗鍊箋?br /> 銆銆6.6 閫氳繃璋冭瘯鏌ョ湅鍙橀噺鐨勫?br /> 銆銆涓嬮潰鎴戜滑鏉ュ姩鎵嬪畬鎴愪竴涓皬灝忕殑瀹為獙錛岄氳繃璋冭瘯錛岃瀵熷彉閲忕殑鍊箋?br /> 銆銆鎴戜滑鍦ㄤ唬鐮佷腑澹版槑涓や釜int 鍙橀噺錛屽茍鍒嗗埆鍒濆鍖栦負(fù)錛曞拰-錛曘傜劧鍚庢垜浠氳繃錛ｏ饑鎻愪緵鐨勮皟璇曟墜孌碉紝鍙互鏌ョ湅鍒扮▼搴忚繍琛屾椂錛岃繖涓や釜鍙橀噺鐨勫崄榪涘埗鍊煎拰鍗佸叚榪涘埗鍊箋?br /> 銆銆棣栧厛鏂板緩涓涓帶鍒跺彴宸ョ▼銆傚姞鍏ヤ互涓嬮粦浣撻儴鍒嗭紙灝變竴琛岋級錛?br /> 銆銆//---------------------------------------------------------------------------
銆銆#pragma hdrstop
銆銆//---------------------------------------------------------------------------
銆銆#pragma argsused
銆銆int main(int argc, char* argv[])
銆銆{
銆銆int aaaa = 5, bbbbb = -5;
銆銆return 0;
銆銆}
銆銆//---------------------------------------------------------------------------
銆銆娌℃湁鎴戜滑鐔熸?zhèn)夌殑鐨勯偅涓琛岋細
銆銆getchar();
銆銆鎵浠ワ紝濡傛灉鍏ㄩ熻繍琛岃繖涓▼搴忥紝灝嗗彧鏄激錛汲紿楀彛涓闂岃繃銆備笉榪囦粖澶╂垜浠皢閫氳繃璁劇疆鏂偣錛屾潵浣跨敤紼嬪簭鍦ㄦ垜浠渶瑕佺殑鍦板効鍋滀笅鏉ャ?br /> 銆銆璁劇疆鏂偣錛氭渶甯哥敤鐨勮皟璇曟柟娉曚箣涓錛屼嬌鐢ㄧ▼搴忓湪榪愯鏃訛紝鏆傚仠鍦ㄦ煇涓浠ｇ爜浣嶇疆錛?br /> 銆銆鍦跡錛㈤噷錛岃緗柇鐐圭殑鏂規(guī)硶鏄湪鏌愪竴琛屼唬鐮佷笂鎸夛雞錛曟垨鍦ㄨ棣栨爮鍐呭崟鍑婚紶鏍囥?br /> 銆銆濡備笅鍥撅細
銆銆鍦ㄤ笂鍥句腑錛屾垜浠湪return 0;榪欎竴琛屼笂璁劇疆鏂偣銆傛柇鐐規(guī)墍鍦ㄨ灝嗚錛ｏ饑浠ョ孩鑹叉樉紺恒?br /> 銆銆鎺ョ潃,榪愯紼嬪簭(F9),紼嬪簭灝嗗湪鏂偣澶勫仠涓嬫潵銆?br /> 銆銆(璇鋒敞鎰忎袱寮犲浘鐨勪笉鍚岋紝鍓嶉潰鐨勫浘鏄繍琛屼箣鍓嶏紝鍚庨潰榪欏紶鏄繍琛屼腑錛屽乏杈圭殑綆ご琛ㄧず榪愯榪愯鍒板摢涓琛?
銆銆褰撶▼搴忓仠鍦ㄦ柇鐐圭殑鏃訛紝鎴戜滑鍙互瑙傚療褰撳墠浠ｇ爜鐗囨鍐咃紝鍙鐨勫彉閲忋傝瀵熷彉閲忕殑鏂規(guī)硶寰堝縐嶏紝榪欓噷鎴戜滑瀛︿範(fàn)浣跨敤Debug Inspector (璋冭瘯鏈熸瑙?錛屾潵鍏ㄩ潰瑙傚療涓涓彉閲忋?br /> 銆銆浠ヤ笅鏄皟鍑鴻瀵熸煇涓鍙橀噺鐨勩Debug Inspector銆紿楀彛鐨勬柟娉曪細
銆銆鍏堢‘淇濅唬鐮佺獥鍙ｆ槸媧誨姩紿楀彛銆?鐢ㄩ紶鏍囩偣涓涓嬩唬鐮佺獥鍙?
銆銆鎸変笅Ctrl閿紝鐒跺悗灝嗛紶鏍囨尓鍒板彉閲?aaaa 涓婇潰錛屼綘浼氬彂鐜頒唬鐮佷腑鐨刟aaa鍙樿摑錛屽茍涓斿嚭鐜頒笅鍒掔嚎錛屾晥鏋滃緗戦〉涓殑瓚呴摼鎺ワ紝鑰岄紶鏍囦篃鍙樻垚浜嗗皬鎵嬬姸錛?
銆銆鐐瑰嚮榧犳爣錛屽皢鍑虹幇鍙橀噺aaaa鐨勬瑙嗙獥鍙ｏ細
銆銆(絎旇呬嬌鐢ㄧ殑鎿嶄綔緋葷粺涓篧indowsXP,紿楀彛鐨勫瑙備笌Win9X鏈夋墍涓嶅悓)
銆銆浠庤紿楀彛錛屾垜鍙互鐪嬪埌錛?
銆銆aaaa :鍙橀噺鍚?
銆銆int :鍙橀噺鐨勬暟鎹被鍨?
銆銆0012FF88:鍙橀噺鐨勫唴瀛樺湴鍧錛岃鍙傜湅5.2 鍙橀噺涓庡唴瀛樺湴鍧錛涘湴鍧鎬繪槸浣跨敤鍗佸叚榪涘埗琛ㄨ揪
銆銆5 錛?榪欐槸鍙橀噺鐨勫鹼紝鍗砤aaa = 5;
銆銆0x00000005 :鍚屾牱鏄彉閲忕殑鍊鹼紝浣嗛噰鐢?6榪涘埗琛ㄧず銆傚洜涓烘槸int綾誨瀷錛屾墍浠ュ崰鐢?瀛楄妭銆?
銆銆棣栧厛鍏堝叧闂墠闈㈢殑鐢ㄤ簬瑙傚療鍙橀噺aaaa鐨凞ebug Inspector紿楀彛銆?
銆銆鐜板湪錛屾垜浠敤鍚屾牱鐨勬柟娉曟潵瑙傚療鍙橀噺bbbb,瀹冪殑鍊間負(fù)-5,璐熸暟鍦ㄨ綆楁満涓嬌鐢ㄨˉ鐮佽〃紺恒?
銆銆姝ｅ鎴戜滑鎵鎯籌紝-5鐨勮ˉ鐮佷負(fù)錛?xFFFFFFFB銆?
銆銆鍐嶆寜涓嬈9錛岀▼搴忓皢浠庢柇鐐圭戶緇繍琛岋紝鐒跺悗緇撴潫銆?
銆銆6.7 鏈珷灝忕粨
銆銆寰堥毦瀛︾殑涓绔狅紵
銆銆鏉ョ湅鐪嬫垜浠富瑕佸浜嗕粈涔堬細
銆銆1)鎴戜滑瀛︿細浜嗗浣曞皢浜屻佸叓銆佸崄鍏繘鍒舵暟杞崲涓哄崄榪涘埗鏁般?
銆銆涓夌杞崲鏂規(guī)硶鏄竴鏍風(fēng)殑錛岄兘鏄嬌鐢ㄤ箻娉曘?
銆銆2)鎴戜滑瀛︿細浜嗗浣曞皢鍗佽繘鍒舵暟杞崲涓轟簩銆佸叓銆佸崄鍏繘鍒舵暟銆?
銆銆鏂規(guī)硶涔熼兘涓鏍鳳紝閲囩敤闄ゆ硶銆?
銆銆3)鎴戜滑瀛︿細浜嗗浣曞揩閫熺殑鍦頒簰鎹簩榪涘埗鏁板拰鍗佸叚榪涘埗鏁般?
銆銆瑕佽瘈灝卞湪浜庡浜岃繘鍒舵暟鎸夊洓浣嶄竴緇勫湴杞崲鎴愬崄鍏繘鍒舵暟銆?
銆銆鍦ㄥ涔?fàn)鍗佸叚杩涘埗鏁板悗锛屾垜浠細鍦ㄥ緢澶氬湴鏂归噰鐢ㄥ崄鍏瓨q涘埗鏁版潵鏇夸唬浜岃繘鍒舵暟銆?
銆銆4)鎴戜滑瀛︿範(fàn)浜嗗師鐮併佸弽鐮併佽ˉ鐮併?
銆銆鎶婂師鐮佺殑0鍙?錛?鍙?錛屽氨寰楀埌鍙嶇爜銆傝寰楀埌琛ョ爜錛屽垯鍏堝緱鍙嶇爜錛岀劧鍚庡姞1銆?
銆銆浠ュ墠鎴戜滑鍙煡閬撴鏁存暟鍦ㄨ綆楁満閲屾槸濡備綍琛ㄨ揪錛岀幇鍦ㄦ垜浠繕鐭ラ亾璐熸暟鍦ㄨ綆楁満閲屼嬌鐢ㄥ叾緇濆鍊肩殑琛ョ爜琛ㄨ揪銆?
銆銆姣斿錛岋紞5鍦ㄨ綆楁満涓浣曡〃杈撅紵鍥炵瓟鏄細5鐨勮ˉ鐮併?
銆銆5)鏈鍚庢垜浠湪涓婃満瀹為獙涓紝榪欎細浜嗗浣曡緗柇鐐癸紝濡備綍璋冨嚭Debug Inspector紿楀彛瑙傚療鍙橀噺銆?
銆銆浠ュ悗鎴戜滑浼氬鍒版洿澶氱殑璋冭瘯鏂規(guī)硶銆?
銆銆daiqionghui 淇敼涓閮ㄥ垎閿欑殑銆傘?br /> 銆銆鍗佸叚榪涘埗
銆銆rkb-irir rtrt*-7-759-9urelurugf 44ihub 鍗佸叚榪涘埗
]]>