若ch為char型變量,k為int型變量(已知字符a的ASCII十進(jìn)制代碼為97), 則以下程序段的執(zhí)行結(jié)果是(). ch=’a’; k=12; printf("%x,%o,",ch,ch); printf("k=%%%d\n",k);
A.因變量類型與格式描述符的類型不匹配,輸出無定值 B.輸出項(xiàng)與格式描述符個(gè)數(shù)不符,輸出為零值或不定值 C.61,141,k=%12 D.61,141,k=%d
A.#include "stdio.h" B.main C.printf D.scanf
A.補(bǔ)碼B.反碼C.原碼D.ASCII碼