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《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?30?marks)?
The?value?of?expression?321?is?_____.
The value of expression (double)(10/4) is_____.
What value is stored into the int variable b in each of the following? Assume that b and n are int variables with b containing 12 and n containing 5.
b%=(n%=2) b=____________________.
The?output?of?the?following?statements?is?_____.
int?k=1,?s=0;
?switch?(k)?{?
??????case?1:?s+=10;??
??????case?2:?s+=20;?break;???????
default:?s+=3;??}?
printf(k=%d?s=%d,?k,?s);?
The?following?program?fragment?prints?out?_____.?
int?i;?
int?f(int?x)?
{?static?int?k?=?0;?
x+=k++;?
return?x;?}?
main( )
{i=f(2);?
i=f(3);?
printf(“%d”,i);?}
For the following recursive function f,function call f(2, 3, 2, 1); will output_______.
void f(int n, char a, char b, char c)
{ if(n == 1)
printf(%c%c, a, b);
else{
f(n-1, a, c, b);
printf(%c%c, a, b);
f(n-1, c, b, a);
}
return;
}
The?following?program?prints?out?_____.?
#include?stdio.h
#include?string.h?
main()?
{?char?st[20]=”hello\0world!”;?
printf(“%d\n”,strlen(st));?}
The following code fragment will output _____.
static int x, y, z;
z = (x=1) || (y=2);
printf(%d , y);
The following code fragment will output _____.
main()??
{??int?x;?
for?(x=1;?x10;?x++)?
?{?if??(x3)??continue;?
x*=2;
printf(“#”);?}?
?}
The following code fragment will output _____.?
main()?
{?int?array?[]?=?{2,?8,?3,?11,?13,?2,?8,?2};??int?k;???int?total?=?0;?
? for?(?k?=?0;?k??8;?k++?)?
{???if?(?array?[k]?%?2)?break;???
total?+=?array?[k];??}??
printf?(?“%d?”,?total?);?}
Section?2:?Single?Choice(2?mark?for?each?item,?total?10?marks)?
Which of the following wo
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