C语言(x,y)表示什么？
C\u8bed\u8a00\u4e2dx+=y,x-=y\u5206\u522b\u8868\u793a\u4ec0\u4e48\u610f\u601dx+=y \u5c31\u662fx=x+y\u7684\u7b80\u5199\u3002x-=y \u5c31\u662fx=x-y\u7684\u7b80\u5199
1\u3001+=; -= \u662f\u590d\u5408\u7684\u8d4b\u503c\u8fd0\u7b97\u7b26\u3002
2\u3001C\u8bed\u8a00\u91c7\u7528\u590d\u5408\u8fd0\u7b97\u7b26 \u4e00\u662f\u7b80\u5316\u7a0b\u5e8f\u3002\u4e8c\u662f\u4e3a\u4e86\u63d0\u9ad8\u7f16\u8bd1\u6548\u7387\uff0c\u80fd\u4ea7\u751f\u8d28\u91cf\u8f83\u9ad8\u7684\u76ee\u6807\u4ee3\u7801\u3002
3\u3001\u5ef6\u4f38\u77e5\u8bc6\u70b9\uff1ax*=y \u5c31\u662fx=x*y\u7684\u7b80\u5199\uff0c\u4f9d\u6b21\u7c7b\u63a8\u3002
\u6269\u5c55\u8d44\u6599
C\u8bed\u8a00\u7684\u987a\u5e8f\u7ed3\u6784\uff1a
\u987a\u5e8f\u7ed3\u6784\u7684\u7a0b\u5e8f\u8bbe\u8ba1\u662f\u6700\u7b80\u5355\u7684\uff0c\u53ea\u8981\u6309\u7167\u89e3\u51b3\u95ee\u9898\u7684\u987a\u5e8f\u5199\u51fa\u76f8\u5e94\u7684\u8bed\u53e5\u5c31\u884c\uff0c\u5b83\u7684\u6267\u884c\u987a\u5e8f\u662f\u81ea\u4e0a\u800c\u4e0b\uff0c\u4f9d\u6b21\u6267\u884c\u3002
\u4f8b\u5982\uff1aa = 3\uff0cb = 5\uff0c\u73b0\u4ea4\u6362a\uff0cb\u7684\u503c\uff0c\u8fd9\u4e2a\u95ee\u9898\u5c31\u597d\u50cf\u4ea4\u6362\u4e24\u4e2a\u676f\u5b50\u6c34\uff0c\u8fd9\u5f53\u7136\u8981\u7528\u5230\u7b2c\u4e09\u4e2a\u676f\u5b50\uff0c\u5047\u5982\u7b2c\u4e09\u4e2a\u676f\u5b50\u662fc\uff0c\u90a3\u4e48\u6b63\u786e\u7684\u7a0b\u5e8f\u4e3a\uff1ac = a\uff1b a = b\uff1b b = c\uff1b\u6267\u884c\u7ed3\u679c\u662fa = 5\uff0cb = c = 3\u5982\u679c\u6539\u53d8\u5176\u987a\u5e8f\uff0c\u5199\u6210\uff1aa = b\uff1b c = a\uff1b b =c\uff1b\u5219\u6267\u884c\u7ed3\u679c\u5c31\u53d8\u6210a = b = c = 5\uff0c\u4e0d\u80fd\u8fbe\u5230\u9884\u671f\u7684\u76ee\u7684\uff0c\u521d\u5b66\u8005\u6700\u5bb9\u6613\u72af\u8fd9\u79cd\u9519\u8bef\u3002
\u987a\u5e8f\u7ed3\u6784\u53ef\u4ee5\u72ec\u7acb\u4f7f\u7528\u6784\u6210\u4e00\u4e2a\u7b80\u5355\u7684\u5b8c\u6574\u7a0b\u5e8f\uff0c\u5e38\u89c1\u7684\u8f93\u5165\u3001\u8ba1\u7b97\uff0c\u8f93\u51fa\u4e09\u6b65\u66f2\u7684\u7a0b\u5e8f\u5c31\u662f\u987a\u5e8f\u7ed3\u6784\uff0c\u4f8b\u5982\u8ba1\u7b97\u5706\u7684\u9762\u79ef\uff0c\u5176\u7a0b\u5e8f\u7684\u8bed\u53e5\u987a\u5e8f\u5c31\u662f\u8f93\u5165\u5706\u7684\u534a\u5f84r\uff0c\u8ba1\u7b97s = 3.14159*r*r\uff0c\u8f93\u51fa\u5706\u7684\u9762\u79efs\u3002
\u4e0d\u8fc7\u5927\u591a\u6570\u60c5\u51b5\u4e0b\u987a\u5e8f\u7ed3\u6784\u90fd\u662f\u4f5c\u4e3a\u7a0b\u5e8f\u7684\u4e00\u90e8\u5206\uff0c\u4e0e\u5176\u5b83\u7ed3\u6784\u4e00\u8d77\u6784\u6210\u4e00\u4e2a\u590d\u6742\u7684\u7a0b\u5e8f\uff0c\u4f8b\u5982\u5206\u652f\u7ed3\u6784\u4e2d\u7684\u590d\u5408\u8bed\u53e5\u3001\u5faa\u73af\u7ed3\u6784\u4e2d\u7684\u5faa\u73af\u4f53\u7b49\u3002
\u53c2\u8003\u8d44\u6599
\u767e\u5ea6\u767e\u79d1-C\u8bed\u8a00
*x\u662f\u5b9a\u4e49\u7684\u4e00\u4e2a\u6307\u9488\u53d8\u91cf\uff0c\u4e5f\u662f\u5185\u5b58\u4e0a\u7684\u4e00\u5757\u7a7a\u95f4\uff0c\u53ea\u4e0d\u8fc7\u7a7a\u95f4\u91cc\u9762\u5b58\u653e\u7684\u662f\u5730\u5740\u3002\u5176\u4e2d*\u662f\u6307\u9488\u7684\u4e00\u4e2a\u6807\u5fd7\u3002y\u662f\u4e00\u4e2a\u53d8\u91cf\uff0c\u52a0\u4e0a&\u540e\u8868\u793a\u53d6\u5f97\u4e86\u6b64\u5757\u7a7a\u95f4\u7684\u5730\u5740\uff0c\u56e0\u6b64\u4e24\u8005\u662f\u7b49\u4ef7\u7684\u3002\u610f\u601d\u5c31\u662f\u628ay\u7684\u5730\u5740\u8d4b\u503c\u7ed9x\u3002
int *x,y;
*x=y;/*\u6b64\u65f6*x\u548cy\u662f\u7b49\u4ef7\u7684*/
绛旓細10銆佹病鏈夎冻澶熺殑璇█鑳借〃杈炬垜瀵逛綘鐨勭埍锛屾病鏈夎冻澶熺殑鏂瑰紡鑳琛ㄧず鎴戝浣犵殑鍏虫锛屾病鏈夎冻澶熺殑鏄ュ鑳戒笌浣犲叡搴︼紝鏄庡獨鐨勬棭鏅紝娓╅Θ鐨勫鏅氾紝瀵逛綘鎴戞湁鏃犻檺鐨勬濆康锛佲斺旂珛瓒充簬鐜版湁浜т笟鍩虹锛屽姞蹇舰鎴愬绉嶈兘婧愬崗鍚屼簰琛ャ佺患鍚堝埄鐢ㄣ侀泦绾﹂珮鏁堢殑渚涜兘鏂瑰紡銆傚潥鎸佸ぇ瑙勬ā澶栭佸拰鏈湴娑堢撼銆侀泦涓紡鍜屽垎甯冨紡寮鍙戝苟涓撅紝鎺ㄨ繘椋庡厜绛...
绛旓細涓妤艰鐨勮繕鏈夌偣闂銆俛?b:c 杩欎釜杩愮畻鏄垽鏂璦鐨勭湡鍋囷紝鑻ユ槸鐪熷氨鎵цb濡傛槸鍋囧氨鎵цc锛屾墍浠>y?x:y;杩欏彞璇濈殑鎰忔濆氨鏄垽鏂瓁鍜寉鍊煎緱澶у皬锛岃鏄痻>y缁撴灉灏辨槸x锛鍚﹀垯灏辨槸y锛屼篃灏辨槸璇磋繖鍙ョ殑鏄緭鍑虹殑x鍜寉涓緝澶х殑閭ｄ釜鏁般傚彲浠ヤ娇鐢ㄤ竴涓绋嬪簭鏉ユ娴嬶細include main(){ int x=1,y=2,z;z=x>y?
绛旓細x涓y鍋氭寜浣嶆垨杩愮畻锛岃繍绠楃粨鏋滃綋浣滄湁绗﹀彿鏁村瀷鎵撳嵃鍑烘潵銆
绛旓細(x)锛(y)?(x):(y)鍦C璇█涓殑鎰忔濇槸鎸囧鏋滆〃杈惧紡(x)锛(y)鎴愮珛鍗硏灏忎簬y锛屽垯鎵ц琛ㄨ揪寮(x)锛鍚﹀垯鎵ц琛ㄨ揪寮(y)銆(x)锛(y)?(x):(y)鍙仛闂彿琛ㄨ揪寮忋備妇渚嬪強缁撴灉锛歩nt a=5,b=3;printf锛"%d",a>b锛焌:b);濡傛灉a澶т簬b鎴愮珛鍒欐墽琛岋細鍓嶉潰鐨勫嵆杈撳嚭a銆傚惁鍒欐墽琛岋細鍚庨潰鐨勫嵆杈撳嚭b銆傛湰渚嬩腑杈撳嚭...
绛旓細x+=y 灏辨槸x=x+y鐨勭畝鍐欍倄-=y 灏辨槸x=x-y鐨勭畝鍐 1銆+=; -= 鏄鍚堢殑璧嬪艰繍绠楃銆2銆C璇█閲囩敤澶嶅悎杩愮畻绗 涓鏄畝鍖栫▼搴忋備簩鏄负浜嗘彁楂樼紪璇戞晥鐜囷紝鑳戒骇鐢熻川閲忚緝楂樼殑鐩爣浠ｇ爜銆3銆佸欢浼哥煡璇嗙偣锛歺*=y 灏辨槸x=x*y鐨勭畝鍐欙紝渚濇绫绘帹銆
绛旓細姣忎竴涓彉閲忛兘浼氭湁涓涓瓨鍌ㄥ湴鍧锛屾瘡涓涓彉閲忛兘鏈変竴涓笺傛瘮濡傦細int x = 5;閭ｄ箞5灏辨槸鈥渪鐨勫尖濓紝&x 灏琛ㄧず鍙橀噺鈥渪鐨勫瓨鍌ㄥ湴鍧鈥濄備娇鐢╯canf鍑芥暟鐨勬椂鍊欙紝蹇呴』浣跨敤鍙橀噺鐨勫瓨鍌ㄥ湴鍧浣滀负鍙傛暟浼犻掔粰瀹冦備篃灏辨槸鎶x,y,z涓変釜鍙橀噺鐨勫湴鍧浼犻掔粰scanf鍑芥暟锛岄氳繃scanf淇敼浜嗚繖鍑犱釜鍦板潃鐨勫笺
绛旓細IplImage* img = cvLoadImage("test.bmp", 0);for (int i = 0; i < img->height; i++){ for (int j = 0; j < img->width; j++){ //鏂规硶涓锛氫娇鐢╟vGet2D()鍑芥暟闂存帴璁块棶 CvScalar s = cvGet2D(img, i, j);//鍏朵腑i浠ｈ〃y杞达紙绗琲琛岋級锛屽嵆height锛沯浠ｈ〃x杞达紙绗琷鍒楋級锛屽嵆...
绛旓細绛旀锛0001 1111瑙ｆ瀽濡備笅锛x^y琛ㄧず寮傛垨杩愮畻锛屽紓鎴栬繍绠楃殑娉曞垯鏄細0^0=0锛 0^1=1锛 1^0=1锛 1^1=0锛涘嵆涓や釜浜岃繘鍒舵暟濡傛灉鐩稿悓鍒欎负0锛屼笉鍚屽垯涓1銆倄='1'锛屽叾浜岃繘鍒惰〃绀轰负锛0011 0001锛岃姹傞珮3浣嶄笉鍙橈紝浣5浣嶅彇鍙嶏紝閭ｅ氨鏄彉涓0010 1110銆傚嵆杩欎釜闂绛変环浜庯細0011 0001 ^ y = 0010 ...
绛旓細涓夌洰杩愮畻,杩欐潯璇彞瀹炵幇浜嗕袱鏁版瘮杈冨ぇ灏 杩斿洖杈冨ぇ鏁扮殑鍔熻兘 鍏蜂綋灏辨槸锛氬鏋滄潯浠秞>y鎴愮珛锛屽氨杈撳嚭x锛鍚﹀垯灏辫緭鍑簓銆傜敱浜庢槸瀹忓畾涔夛紝x鍜寉閮介渶瑕佺敤鎷彿鍖呭洿銆
绛旓細鍒ゆ柇x涓巠鏄惁鐩哥瓑锛屽鏋滅浉绛夊氨杩斿洖1锛屼笉绛夊氨杩斿洖0銆備笌=鐩稿尯鍒嗭紝=鏄祴鍊艰繍绠锛寈=y锛浼氭妸y鐨勫艰祴缁檟銆
