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闀胯繛鎺ワ細鐭繛鎺ュ鐢ㄤ簬鎿嶄綔棰戠箒錛岀偣瀵圭偣鐨勯氳錛岃屼笖榪炴帴鏁頒笉鑳藉お澶氱殑鎯呭喌銆傛瘡涓猅CP榪炴帴鐨勫緩绔嬮兘闇瑕佷笁嬈℃彙鎵嬶紝姣忎釜TCP榪炴帴鐨勬柇寮瑕佸洓嬈℃彙鎵嬨傚鏋滄瘡嬈℃搷浣滈兘瑕佸緩绔嬭繛鎺ョ劧鍚庡啀鎿嶄綔鐨勮瘽澶勭悊閫熷害浼氶檷浣庯紝鎵浠ユ瘡嬈℃搷浣滀笅嬈℃搷浣滄椂鐩存帴鍙戦佹暟鎹氨鍙互浜嗭紝涓嶇敤鍐嶅緩绔婽CP榪炴帴銆備緥濡傦細鏁版嵁搴撶殑榪炴帴鐢ㄩ暱榪炴帴錛屽鏋滅敤鐭繛鎺ラ綣佺殑閫氫俊浼氶犳垚socket閿欒錛岄綣佺殑socket鍒涘緩涔熸槸瀵硅祫婧愮殑嫻垂銆?br>
鐭繛鎺ワ細web緗戠珯鐨刪ttp鏈嶅姟涓鑸兘鐢ㄧ煭榪炴帴銆傚洜涓洪暱榪炴帴瀵逛簬鏈嶅姟鍣ㄦ潵璇磋鑰楄垂涓瀹氱殑璧勬簮銆傚儚web緗戠珯榪欎箞棰戠箒鐨勬垚鍗冧笂涓囩敋鑷充笂浜垮鎴風鐨勮繛鎺ョ敤鐭繛鎺ユ洿鐪佷竴浜涜祫婧愩傝瘯鎯沖鏋滈兘鐢ㄩ暱榪炴帴錛岃屼笖鍚屾椂鐢ㄦ垚鍗冧笂涓囩殑鐢ㄦ埛錛屾瘡涓敤鎴烽兘鍗犳湁涓涓繛鎺ョ殑璇濓紝鍙兂鑰岀煡鏈嶅姟鍣ㄧ殑鍘嬪姏鏈夊澶с傛墍浠ュ茍鍙戦噺澶э紝浣嗘槸姣忎釜鐢ㄦ埛鍙堜笉闇棰戠箒鎿嶄綔鐨勬儏鍐典笅闇瑕佺煭榪炴帴銆傛諱箣錛氶暱榪炴帴鍜岀煭榪炴帴鐨勯夋嫨瑕佽闇姹傝屽畾銆?br>
鍥涖佸彂閫佹帴鏀舵柟寮忥細
1銆佸紓姝ワ細鎶ユ枃鍙戦佸拰鎺ユ敹鏄垎寮鐨勶紝鐩鎬簰鐙珛錛屼簰涓嶅獎鍝嶇殑銆傝繖縐嶆柟寮忓張鍒嗕袱縐嶆儏鍐碉細
寮傛鍙屽伐錛氭帴鏀跺拰鍙戦佸湪鍚屼竴涓▼搴忎腑錛屾湁涓や釜涓嶅悓鐨勫瓙榪涚▼鍒嗗埆璐熻矗鍙戦佸拰鎺ラ併?br>
寮傛鍗曞伐錛氭帴閫佸拰鍙戦佷嬌鐢ㄤ袱涓笉鍚岀殑紼嬪簭鏉ュ畬鎴愩?br>
2銆佸悓姝ワ細鎶ユ枃鍙戦佸拰鎺ユ敹鏄悓姝ヨ繘琛岋紝鍗蟲姤鏂囧彂閫佸悗絳夊緟鎺ラ佽繑鍥炴姤鏂囥傚悓姝ユ柟寮忎竴鑸渶瑕佽冭檻瓚呮椂闂錛岃瘯鎯蟲垜浠彂閫佹姤鏂囦互鍚庝篃涓嶈兘鏃犻檺絳夊緟鍟婏紝鎵浠ユ垜浠璁懼畾涓涓瓑寰呮椂鍊欍傝秴榪囩瓑寰呮椂闂村彂閫佹柟涓嶅啀絳夊緟璇昏繑鍥炴姤鏂囥傜洿鎺ラ氱煡瓚呮椂榪斿洖銆?br>
浜斻佹姤鏂囨牸寮忥細
閫氫俊鎶ユ枃鏍煎紡澶氭牱鎬ф洿澶氾紝鐩稿簲鍦板氨蹇呴』璁捐瀵瑰簲鐨勮鍐欐姤鏂囩殑鎺ユ敹鍜屽彂閫佹姤鏂囧嚱鏁般?br>
闃誨涓庨潪闃誨鏂瑰紡
1銆侀潪闃誨鏂瑰紡錛氳鍑芥暟涓嶅仠鐨勮繘琛岃鍔ㄤ綔錛屽鏋滄病鏈夋姤鏂囨帴鏀跺埌錛岀瓑寰呬竴孌墊椂闂村悗瓚呮椂榪斿洖錛岃繖縐嶆儏鍐典竴鑸渶瑕佹寚瀹氳秴鏃舵椂闂淬?
2銆侀樆濉炴柟寮忥細濡傛灉娌℃湁鎺ユ敹鍒版姤鏂囷紝鍒欒鍑芥暟涓鐩村浜庣瓑寰呯姸鎬侊紝鐭ラ亾鎶ユ枃鍒拌揪銆?br>
寰幆璇誨啓鏂瑰紡
1銆佷竴嬈$洿鎺ヨ鍐欐姤鏂囷細鍦ㄤ竴嬈℃帴鏀舵垨鍙戦佹姤鏂囧姩浣滀腑涓嬈℃т笉鍔犲垎鍒湴鍏ㄩ儴璇誨彇鎴栧叏閮ㄥ彂閫佹姤鏂囧瓧鑺傘?br>
2銆佷笉鎸囧畾闀垮害寰幆璇誨啓錛氳繖涓鐗堝彂鐢熷湪鐭繛鎺ヨ繘紼嬩腑錛屽彈緗戠粶璺敱絳夐檺鍒訛紝涓嬈¤緝闀跨殑鎶ユ枃鍙兘鍦ㄧ綉緇滀紶杈撹繃紼嬩腑琚垎瑙f垚寰堝涓寘錛屼竴嬈¤鍙栧彲鑳戒笉鑳藉叏閮ㄨ瀹屼竴嬈℃姤鏂囷紝榪欏氨闇瑕佸驚鐜鍙栨姤鏂囷紝鐭ラ亾璇誨畬涓烘銆?br>
3銆佸甫闀垮害鎶ユ枃澶村驚鐜鍐欙細榪欑鎯呭喌涓鑸湪闀胯繛鎺ヤ腑錛岀敱浜庡湪闀胯繛鎺ヤ腑娌℃湁鏉′歡鑳藉鍒ゆ柇寰幆璇誨啓浠涔堟椂鍊欑粨鏉熴傚繀欏昏鍔犻暱搴︽姤鏂囧ご銆傝鍑芥暟鍏堟槸璇誨彇鎶ユ枃澶寸殑闀垮害錛屽啀鏍規嵁榪欎釜闀垮害鍘昏鎶ユ枃錛屽疄闄呮儏鍐典腑錛屾姤澶寸爜鍒舵牸寮忚繕緇忓父涓嶄竴鏍鳳紝濡傛灉鏄潪ASCII鐨勬姤鏂囧ご錛岃繕蹇呴』杞崲鎴怉SCII甯歌鐨勬姤鏂囧ご緙栧埗鏈夛細1銆乶涓瓧鑺傜殑ASCII鐮併?銆乶涓瓧鑺傜殑BCD鐮併?銆乶涓瓧鑺傜殑緗戠粶鏁村瀷鐮併?br>
浠ヤ笂鏄嚑縐嶆瘮杈冨吀鍨嬬殑璇誨啓鎶ユ枃鏂瑰紡錛屽彲浠ヤ笌閫氫俊鏂瑰紡妯℃澘涓璧?棰勫厛鎻愪緵涓浜涘吀鍨嬬殑API璇誨啓鍑芥暟銆?br>
褰撶劧鍦ㄥ疄闄呴棶棰樹腑錛屽彲鑳借繕蹇呴』緙栧啓涓庡鏂規姤鏂囨牸寮忛厤濂楃殑璇誨啓API. 鍦ㄥ疄闄呮儏鍐典腑錛屽線寰闇瑕佹妸鎴戜滑鑷繁鐨勭郴緇熶笌鍒漢鐨勭郴緇熻繘琛岃繛鎺ワ紝 鏈変簡浠ヤ笂妯℃澘涓嶢PI,鍙互璇磋繛鎺ヤ換浣曟柟寮忕殑閫氫俊紼嬪簭閮戒笉瀛樺湪闂銆?
]]>
#include <stdlib.h>
#include <math.h>
int prime(int m)
{
聽int i,k;
聽k = (int)sqrt(m);
聽for(i=2; i<k; i++)
聽if (m % i == 0)
聽 return 0;
聽return 1;
}
int main(int argc, char** argv)
{
聽int input = 0;
聽int val, ret = 0;
聽if (argc != 2)
聽{
聽 printf("usage:find_prime num\n");
聽 exit(-1);
聽}
聽聽
聽input = atoi(argv[1]);
聽//printf("%d\n",input);
聽val = input;
聽//鍚戜笅鎵?br />聽while (!ret)
聽{
聽 ret = prime(val);聽
聽 val--;
聽}
聽printf("%d\n", ++val);
聽//鍚戜笂鎵?br />聽val = input;
聽ret = 0;
聽while (!ret)
聽{
聽 ret = prime(val);
聽 val++;
聽}
聽printf("%d\n", --val);
聽聽聽 return 0;
}
杞嚜濂界壒鍚?
www.hot818.net
]]>
0錛夎鏈変袱綃囨枃绔?鍜?
鏂囩珷1鐨勫唴瀹逛負錛歍om lives in Guangzhou,I live in Guangzhou too.
鏂囩珷2鐨勫唴瀹逛負錛欻e once lived in Shanghai.
1)鐢變簬lucene鏄熀浜庡叧閿瘝绱㈠紩鍜屾煡璇㈢殑錛岄鍏堟垜浠鍙栧緱榪欎袱綃囨枃绔犵殑鍏抽敭璇嶏紝閫氬父鎴戜滑闇瑕佸涓嬪鐞嗘帾鏂?
a.鎴戜滑鐜板湪鏈夌殑鏄枃绔犲唴瀹癸紝鍗充竴涓瓧絎︿覆錛屾垜浠厛瑕佹壘鍑哄瓧絎︿覆涓殑鎵鏈夊崟璇嶏紝鍗沖垎璇嶃傝嫳鏂囧崟璇嶇敱浜庣敤絀烘牸鍒嗛殧錛屾瘮杈冨ソ澶勭悊銆備腑鏂囧崟璇嶉棿鏄繛鍦ㄤ竴璧風殑闇瑕佺壒孌婄殑鍒嗚瘝澶勭悊銆?
b.鏂囩珷涓殑鈥漣n鈥? 鈥渙nce鈥?鈥渢oo鈥濈瓑璇嶆病鏈変粈涔堝疄闄呮剰涔夛紝涓枃涓殑鈥滅殑鈥濃滄槸鈥濈瓑瀛楅氬父涔熸棤鍏蜂綋鍚箟錛岃繖浜涗笉浠h〃姒傚康鐨勮瘝鍙互榪囨護鎺?
c.鐢ㄦ埛閫氬父甯屾湜鏌モ淗e鈥濇椂鑳芥妸鍚渉e鈥濓紝鈥淗E鈥濈殑鏂囩珷涔熸壘鍑烘潵錛屾墍浠ユ墍鏈夊崟璇嶉渶瑕佺粺涓澶у皬鍐欍?
d.鐢ㄦ埛閫氬父甯屾湜鏌モ渓ive鈥濇椂鑳芥妸鍚渓ives鈥濓紝鈥渓ived鈥濈殑鏂囩珷涔熸壘鍑烘潵錛屾墍浠ラ渶瑕佹妸鈥渓ives鈥濓紝鈥渓ived鈥濊繕鍘熸垚鈥渓ive鈥?
e.鏂囩珷涓殑鏍囩偣絎﹀彿閫氬父涓嶈〃紺烘煇縐嶆蹇碉紝涔熷彲浠ヨ繃婊ゆ帀
鍦╨ucene涓互涓婃帾鏂界敱Analyzer綾誨畬鎴?
緇忚繃涓婇潰澶勭悊鍚?
鏂囩珷1鐨勬墍鏈夊叧閿瘝涓猴細[tom] [live] [guangzhou] [i] [live] [guangzhou]
鏂囩珷2鐨勬墍鏈夊叧閿瘝涓猴細[he] [live] [shanghai]
2) 鏈変簡鍏抽敭璇嶅悗錛屾垜浠氨鍙互寤虹珛鍊掓帓绱㈠紩浜嗐備笂闈㈢殑瀵瑰簲鍏崇郴鏄細鈥滄枃绔犲彿鈥濆鈥滄枃绔犱腑鎵鏈夊叧閿瘝鈥濄傚掓帓绱㈠紩鎶婅繖涓叧緋誨掕繃鏉ワ紝鍙樻垚錛氣滃叧閿瘝鈥濆鈥滄嫢鏈夎鍏抽敭璇嶇殑鎵鏈夋枃绔犲彿鈥濄傛枃绔?錛?緇忚繃鍊掓帓鍚庡彉鎴?
鍏抽敭璇?鏂囩珷鍙?
guangzhou 1
he 2
i 1
live 1,2
shanghai 2
tom 1
閫氬父浠呯煡閬撳叧閿瘝鍦ㄥ摢浜涙枃绔犱腑鍑虹幇榪樹笉澶燂紝鎴戜滑榪橀渶瑕佺煡閬撳叧閿瘝鍦ㄦ枃绔犱腑鍑虹幇嬈℃暟鍜屽嚭鐜扮殑浣嶇疆錛岄氬父鏈変袱縐嶄綅緗細a)瀛楃浣嶇疆錛屽嵆璁板綍璇ヨ瘝鏄枃绔犱腑絎嚑涓瓧絎︼紙浼樼偣鏄叧閿瘝浜樉鏃跺畾浣嶅揩錛夛紱b)鍏抽敭璇嶄綅緗紝鍗寵褰曡璇嶆槸鏂囩珷涓鍑犱釜鍏抽敭璇嶏紙浼樼偣鏄妭綰︾儲寮曠┖闂淬佽瘝緇勶紙phase錛夋煡璇㈠揩錛夛紝lucene涓褰曠殑灝辨槸榪欑浣嶇疆銆?
鍔犱笂鈥滃嚭鐜伴鐜団濆拰鈥滃嚭鐜頒綅緗濅俊鎭悗錛屾垜浠殑绱㈠紩緇撴瀯鍙樹負錛?
鍏抽敭璇?鏂囩珷鍙穂鍑虹幇棰戠巼] 鍑虹幇浣嶇疆
guangzhou 1[2] 3錛?
he 2[1] 1
i 1[1] 4
live 1[2],2[1] 2錛?錛?
shanghai 2[1] 3
tom 1[1] 1
浠ive 榪欒涓轟緥鎴戜滑璇存槑涓涓嬭緇撴瀯錛歭ive鍦ㄦ枃绔?涓嚭鐜頒簡2嬈★紝鏂囩珷2涓嚭鐜頒簡涓嬈★紝瀹冪殑鍑虹幇浣嶇疆涓衡?,5,2鈥濊繖琛ㄧず浠涔堝憿錛熸垜浠渶瑕佺粨鍚堟枃绔犲彿鍜屽嚭鐜伴鐜囨潵鍒嗘瀽錛屾枃绔?涓嚭鐜頒簡2嬈★紝閭d箞鈥?,5鈥濆氨琛ㄧずlive鍦ㄦ枃绔?涓嚭鐜扮殑涓や釜浣嶇疆錛屾枃绔?涓嚭鐜頒簡涓嬈★紝鍓╀笅鐨勨?鈥濆氨琛ㄧずlive鏄枃绔?涓 2涓叧閿瓧銆?
浠ヤ笂灝辨槸lucene绱㈠紩緇撴瀯涓渶鏍稿績鐨勯儴鍒嗐傛垜浠敞鎰忓埌鍏抽敭瀛楁槸鎸夊瓧絎﹂『搴忔帓鍒楃殑錛坙ucene娌℃湁浣跨敤B鏍戠粨鏋勶級錛屽洜姝ucene鍙互鐢ㄤ簩鍏冩悳绱㈢畻娉曞揩閫熷畾浣嶅叧閿瘝銆?
瀹炵幇鏃?lucene灝嗕笂闈笁鍒楀垎鍒綔涓鴻瘝鍏告枃浠訛紙Term Dictionary錛夈侀鐜囨枃浠?frequencies)銆佷綅緗枃浠?(positions)淇濆瓨銆傚叾涓瘝鍏告枃浠朵笉浠呬繚瀛樻湁姣忎釜鍏抽敭璇嶏紝榪樹繚鐣欎簡鎸囧悜棰戠巼鏂囦歡鍜屼綅緗枃浠剁殑鎸囬拡錛岄氳繃鎸囬拡鍙互鎵懼埌璇ュ叧閿瓧鐨勯鐜囦俊鎭拰浣嶇疆淇℃伅銆?
Lucene涓嬌鐢ㄤ簡field鐨勬蹇碉紝鐢ㄤ簬琛ㄨ揪淇℃伅鎵鍦ㄤ綅緗紙濡傛爣棰樹腑錛屾枃绔犱腑錛寀rl涓級錛屽湪寤虹儲寮曚腑錛岃field淇℃伅涔熻褰曞湪璇嶅吀鏂囦歡涓紝姣忎釜鍏抽敭璇嶉兘鏈変竴涓猣ield淇℃伅(鍥犱負姣忎釜鍏抽敭瀛椾竴瀹氬睘浜庝竴涓垨澶氫釜field)銆?
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