《程序设计》期末试卷 - A.docxVIP

第PAGE 《The C Programming Language》 EXAMINATION?PAPER Semester: __ Spring _ Year: __2016_ BEIJING JIAOTONG UNIVERSITY Department: _School of Economics and Management _ Class No: __2015_Class 1,2,3 _ Student Name: ___ _____ Student ID: ___ _____ Important?note:?your?answers?must?be?written?on?the?answer?sheet? ?? Section?1:?Fill?in?the?blanks（2?mark?for?each?item,?total?20?marks）? The?value?of?expression??1105??is?_____. The?value?of?expression?1+4/5+157+4%5+(8,10)?is?______.? What value is stored into the int variable b in each of the following? Assume that b is int variables with b containing 12. b*=2+3 b=_____________________. ?The?statement?for?(i=1;?i=9;?i++)?printf(“%3d”,?______); prints?out?the?following?numbers:?1?4?7?10?13?16?19?22?25.? According?to?the?declaration:?int?a[3][5]，the?number?of?elements?of array?a?is . The following code fragment will output ________. char s[]=WEIHAI; s[strlen(s)/2-1]=0; printf(%d\\%s\n,strlen(s),s); The?output?of?the?following?statements?is?_____. int?k,?s; for(k=1,?s=0;?k10;?k++) {???if?(k%2==0)?continue;??????s?+=?k;??}? printf(k=%d?s=%d,?k,?s);? The running result of ?following program is:?_?????????? ??? void?fun()???? {?static?int?a=1;???? ??a*=a+1;?printf(“%d,”,a);????}???? main()???? {??int?cc;???? ??for(cc=1;cc4;cc++)?fun();????} The?output?of?the?following?program?is?_____. f?(int?x) ?{?if(x=1)?return?1;? else?return?f(x-1)+f(x-2);?}? void?main(?)? {??printf(%d,?f(4));?}? The?output?of?the?following?statements?is?_____. printf(%d,?M?-?N) Section?2:?Single?Choice（2?mark?for?each?item,?total?40?marks）? Every C program consists of at least how many functions? A．1 B．2 C．3 D．4 The?precedence?(优先级) of?operator??_____??is?the?lowest?one. A．,? B．!=? C．? D．=? Which?of?following?is?an?illegal?user-define?symbol?? A．n B．PAY_DAY C．6Set D．num5 Which?operator?can?only?be?applied?to?integers????? A．%=??? B．/??? C．=??? D．=? A