c语言题目。为什么选b? 这道c语言题为什么选B？？
\u9053\u7b80\u5355\u7684C\u8bed\u8a00\u9009\u62e9\u9898,\u4e3a\u4ec0\u4e48\u9009B? \u6839\u636e\u9898\u76ee\u4e2d\u5df2\u7ed9\u51fa\u7684\u6570\u636e\u7684\u8f93\u5165\u548c\u8f93\u51fa\u56e0\u4e3a\u8f93\u5165\u5f62\u5f0f\u662f enter x,y:2 3.4\uff0c\u662f\u7528\u7a7a\u683c\u5206\u9694\u7684\uff0c\u800c\u4e0d\u662f\u9017\u53f7\u3002
scanf\u51fd\u6570\u7684\u58f0\u660e\u662f\u8fd9\u6837\u7684\uff1a
int scanf( const char *format, ... );
\u5982\u679cscanf\u51fd\u6570\u7684\u683c\u5f0f\u5b57\u7b26\u4e32format\u4e2d\u6ca1\u6709\u663e\u5f0f\u63d0\u4f9b\u5206\u9694\u7b26\u7684\u8bdd\uff0c\u4ece\u952e\u76d8\u8f93\u5165\u65f6\uff0c\u5404\u6570\u636e\u9ed8\u8ba4\u662f\u8981\u6c42\u7528\u7a7a\u683c\u5206\u9694\u7684\u3002
%a.bf
a\u662f\u8bf4\u6574\u4f53\u6700\u5c11\u7684\u4f4d\u6570\uff0c\u5305\u62ec\u5c0f\u6570\u70b9\uff0c\u4e0d\u591f\u7684\u7528\u7a7a\u683c\u8865
b\u662f\u8bf4\u5c0f\u6570\u70b9\u540e\u6700\u591a\u7684\u4f4d\u6570
%6.2f\uff1a\u4fdd\u7559\u5230\u5c0f\u6570\u70b9\u540e2\u4e24\u4f4d\uff0c\u6240\u4ee5\u9009B
看…………不清
绛旓細d = 241 d/100 = 2 /鏄彇闄ゆ暟 2%9 =2 %鏄彇浣欐暟 &&涓よ竟鐨勫煎彧瑕佹病鏈0閭ｄ箞绛旀灏辨槸1 鎵浠ョ瓟妗堟槸B
绛旓細a.bf a鏄鏁翠綋鏈灏戠殑浣嶆暟锛屽寘鎷皬鏁扮偣锛屼笉澶熺殑鐢ㄧ┖鏍艰ˉ b鏄灏忔暟鐐瑰悗鏈澶氱殑浣嶆暟 6.2f锛氫繚鐣欏埌灏忔暟鐐瑰悗2涓や綅锛屾墍浠閫塀
绛旓細鏁存暟鐩搁櫎锛岀粨鏋滀负鏁存暟锛屽嵆241/100=2锛 2%9=2 -1鍗抽潪闆讹紝涔熷氨鏄潪闆&&闈為浂--涓1 鎵浠閫塀
绛旓細//瑙ｉ噴濡備笅锛b杈撳嚭鐨勫瓧绗﹀疄闄呬笂鏄┖鏍煎瓧绗︼紝浠ｇ爜濡備笅#include <stdio.h>int main(){char a,b;int s;printf("please input a and b:\n");a=getchar();b=getchar();s=a+b;printf("a=%c,b=%c",a,b);printf("\na=%d,b=%d\n",a,b);return 0;}//杩愯缁撴灉F:\c_work>a.exe...
绛旓細鍥犱负杈撳叆褰㈠紡鏄 enter x,y:2 3.4锛屾槸鐢ㄧ┖鏍煎垎闅旂殑锛岃屼笉鏄楀彿銆俿canf鍑芥暟鐨勫０鏄庢槸杩欐牱鐨勶細int scanf( const char *format, ... );濡傛灉scanf鍑芥暟鐨勬牸寮忓瓧绗︿覆format涓病鏈夋樉寮忔彁渚涘垎闅旂鐨勮瘽锛屼粠閿洏杈撳叆鏃讹紝鍚勬暟鎹粯璁ゆ槸瑕佹眰鐢ㄧ┖鏍煎垎闅旂殑銆
绛旓細C璇█涓湁鏄庣‘瑙勫畾锛屽畯瀹氫箟鏄埄鐢#define鍛戒护锛岀敤涓涓寚瀹氱殑鏍囪瘑浠ｆ浛涓涓瓧绗︿覆銆傚搴斿埌棰樼洰涓婂氨鏄#define 鏍囪瘑绗 瀛楃涓诧紝鎵浠I鏄爣璇嗙锛3.1415926鏄瓧绗︿覆銆傛墍浠ヨ繖棰閫塀 鍏充簬C閫夐」锛屽鏋3.1415926涓嶅湪瀹忓嚱鏁板畾涔変腑锛岄偅涔堝畠灏辨槸涓涓父閲忥紝鍙槸鍥犱负瀹冨湪#define鍛戒护涓紝鎵浠ュ畠鏄竴涓瓧绗︿覆銆侫閫夐」...
绛旓細鍥犱负鍦C璇█涓瓧绗︽槸鍜屼竴瀹氱殑Ascall鍊煎搴旂殑锛岃宎锛宐锛宑锛宒锛宔26涓瓧姣嶇殑Ascall鍊兼槸閫掑鐨勬墍浠bcde锛宔姣攂澶т笁锛屼互鏁存暟杈撳嚭鎵浠ュ氨鏄3锛屽悓鐞嗕箣鍚庡氨鏄凡瀛楃杈撳嚭鎵浠ユ槸E
绛旓細涓汉瑙夊緱绛旀鏄疉鏈夐棶棰 16浣 int鏄2涓瓧鑺傦紝鎵浠ユ寚閽堢Щ鍔ㄤ竴涓瓧鑺傚緢鏄庢樉鏄嚭闂浜 鍙﹀杩欎釜瀛樺偍鍗曞厓鎸囩殑鏄畾涔夌殑鏁版嵁绫诲瀷鍗犵敤鐨勭┖闂村ぇ灏忥紝鎸囬拡绉诲姩涓涓綅缃笌鎸囬拡绉诲姩涓涓瓨鍌ㄥ崟鍏冩槸涓鏍风殑锛屽苟娌℃湁浠涔闂锛屼笉鐭ラ亾绛旀B鏄庝箞寰楀嚭鏉ョ殑 涓嶇鏄Щ鍔2涓瓧鑺傦紝1涓綅缃紝1涓崟鍏冿紝鏈韩灏辨病鏈夐棶棰橈紝杩欎釜...
绛旓細int i,a[10],*p=a;涓缁存暟缁勫厓绱犵殑琛ㄧず鏂规硶a[i],*&a[i],*(p+i),p[i],*(a+i),鍏朵腑0<=i<=9 褰撴寚閽堟寚鍚戞暟缁勭殑棣栧湴鍧a鏃讹紝*p琛ㄧずa[0],鍗砳=0鏃讹紝*p=*a=a[0];褰損鍔1鏃讹紝鍗虫寚閽堟寚鍚戞暟缁勫厓绱犳暟缁勫湴鍧a+1,*(p+1)=*(a+1)=a[1]姝ら涓紝if锛堬紵锛*a=*p;涔熷氨鏄妸*p鐨勫...
绛旓細鍥犱负灞閮ㄥ彉閲忛粯璁や负鑷姩鍙橀噺銆傝嚜鍔ㄥ彉閲忔槸瀛愮▼搴忔墽琛屽畬鍚庣▼搴忓皢鍥炴敹瀹冪殑瀛樺偍绌洪棿锛岀▼搴忓皢10璧嬬粰X锛20璧嬬粰Y锛30璧嬬粰Z锛岃繖浜涢兘淇濆瓨璧锋潵浜嗐傚湪fun锛堬級鐨勮鍙ユ椂锛宖un閲岀殑a灏辨槸X锛b灏辨槸Y锛c灏辨槸Z锛岀劧鍚庤祴鍊笺備絾鏄粨鏉焒un绋嬪簭鏃讹紝绋嬪簭娌℃湁灏嗚祴鍊煎悗鐨刋锛孻锛孼鐨勬暟淇濆瓨璧锋潵锛屼篃灏辨槸娌℃湁瑕嗙洊鍘熸潵鐨10,20...
