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#include #define n 8 int main() {
int i;
int j;
int k; ---------------------------------------------------------
| | | | | | ---------------------------------------------------------
return 0;
}
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#include void sort( );
int main() {
int array[]={45��56��76��234��1��34��23��2��3}�� //������//�����
sort( ); return 0;
}
void sort( )
{
____________________________________
| | | | |-----------------------------------------------------| }
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#include
int pheponatch(int);
int main()
{
printf(\"the 10th is %d\",pheponatch(10));
return 0;
}
int pheponatch(int n)
{
--------------------------------
| |
| |
--------------------------------
}
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#include
#include
typedef struct{
tnode* left;
tnode* right;
int value;
} tnode;
tnode* root=null;
void append(int n);
int main()
{
append(63);
append(45);
append(32);
append(77);
append(96);
append(21);
append(17); // again, �����������
}
void append(int n)
{
tnode* newnode=(tnode *)malloc(sizeof(tnode));
newnode->value=n;
if(root==null)
{
root=newnode;
return;
}
else
{
tnode* temp;
temp=root;
while((n>=temp.value && temp.left!=null) || (n right
!=null
))
{
while(n>=temp.value && temp.left!=null)
temp=temp.left;
while(n temp=temp.right;
}
if(n>=temp.value)
temp.left=newnode;
else
temp.right=newnode;
return;
}
}
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delphi������ŀ
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1. briefly describe what is blanking(cutting), forming, coining and embosing in stamping process.
2. what is metal clading?
3. what is the purpose of adding glass fiber to thermoplastic material?
4. in contrast with metal and thermoplastic material, which has a higher coefficient of thermal expansion(cte).
5. the most suitable material for a integral hinge design (typical plastic thickness=0.25 to 0.5mm at hinge)
6. can a bending load makes both compressive and tensile stress in a member?
7. what is the design criteria used in plastics catch/snap?
8. what is fea?
9. why is natural frequency important in vibration analysis?
10. what is the deflection equation of a cantilever beam fixed at one edge ?
ee��������
1. name 3 vehicle buses.
2. name 2 possible sources of electromagnetic interference on electronics circuit asm.
3. wavelength for 12mhz frequency signal is____
4. name 2 important considerations for car radio performance related to audio signal processing under multipath condition?
5. what is the typical fm receiver rf signal strength to achieve 30db s/n for car radio?
6. when a radio is tuned to 98.1 mhz & with a lo of 108.8 mhz, what is the image frequency?
7. for a system with a matched impedance, what is the reflection coefficient and swr?
8. which property of the output capacitor is the primary cause of low drop out(ldo) regulator loop instability?
��1��equivalent series resistance(esr)
��2��effective series inductance(esl)
��3��capacitance value
��4��dielectric material
9. the switching regulator is capable of:
��1��higher power conversion efficiency
��2��providing an output voltage that is higher than the input
��3��generating an output boltage oppsite in polarity to the input
��4��all of the above
10. a linear regulator op vin(max) = 10v, vout(min) = 4.8v, iout(max) = 2. 5ma, iq(max) = 2.5ma, ta(max) = 8.5���϶ȣ�the regulator is available in 3 packages.each package has the following thermal characteristics:
package rja�����϶�/w�� rjc�����϶�/w�� so14 125 30 d1p8 100 52
choose the most suitable package to handle the power dissipation requirement without a heat sink and why.
����������
1. how do you code an infinite loop in c?
2. volatile:
��1��what does the keyword volatile mean? give an example
��2��can a parameter be both const and volatile? give an example
��3��can a pointer be volatile? give an example
3. what are the values of a, b, and c after the following instructions:
int a=5, b=7, c;
c = a b;
4. what do the following declarations mean?
��1��const int a;
��2��int const a;
��3��const int *a;
��4��int * const a;
��5��int const * a const;
5. which of the following statements describe the use of the keyword static?
��1��within the body of a function: a static variable maintains its value between function revocations
��2��within a module: a static variable is accessible by all functions within that module
��3��within a module: a static function can only be called by other functions within that module
6. embedded systems always require the user to manipulate bits in registers or variables. given an integer variable a, write two code fragments. the first should set bit 5 of a. the second shnuld clear bit 5 of a. in both cases, the remaining bits should be unmodified.
7. what does the following function return?
char foo(void)
{
unsigned int a = 6;
iht b = -20;
char c;
(a b > 6) ? (c=1): (c=0);
return c;
}
8. what will be the output of the following c code?
main()
{
int k, num= 30;
k =(num > 5 ? (num <=10 ? 100:200): 500);
printf(��%d��, k);
}
9. what will the following c code do?
int *ptr;
ptr =(int *)ox67a9;
*ptr = oxaa55;
10. what will be the output of the follow c code?
#define product(x) (x*x)
main()
{
int i = 3, j, k;
j = product(i );
k = product( i);
printf(��%d %d��,j,k);
}
11. simplify the following boolean expression
!((i ==12) || (j > 15))
12. how many flip-flop circuits are needed to divide by 16?
13. provides 3 properties that make an os, a rtos?
14. what is pre-emption?
15. assume the bc register value is 8538h, and the de register value is 62 a5h.find the value of register bc after the following assembly operations:
mov a,c
sub e
mov c,a
mov a,b
sbb d
mov b,a
16. in the assembly code shown below
loop: mvi c,78h
dcr c
jnz loop
hlt
how many times is the dcr c operation executed?
17. describe the most efficient way (in term of execution time and code size) to divide a number by 4 in assembly language
18. what value is stored in m in the following assembly language code fragment if n=7?
ldaa #n
label1: cmpa #5
bhi l3
beq l2
deca
bra l1
label2: clra
label3: staa #m
19. what is the state of a process if a resource is not available?
#define a 365*24*60*60
20. using the #define statement, how would you declare a manifest constant that returns the number of seconds in a year? disregard leap years in your answer.
21. interrupts are an important part of embedded systems. consequently, many compiler vendors offer an extension to standard c to support interrupts. typically, the keyword is __interrupt. the following routine (isr). point out problems in the code.
__interrupt double compute_area (double radius)
{
double area = pi * radius * radius;
printf(��\\narea = %f��, area);
return area;
}
hongkong bank������
1. please state why you chose to follow these activities and how they have contributed to your personal development. you may wish to give details of your role whether anyone else was involved and any difficulties you encountered.
2. please state how you have benefited from your work experience.
3. how much is your present monthly salary including allowances.
4. do you need to compensate your present employer if you resign? if so, please give details.
5. other than academic success, what has been your greatest achievement to date? what do you see as your personal strength, why?
6. please state why the position you have applied for is appropriate for you; why you have selected hongkong bank and what your career objectives are.
a.t. keaney������
1. describe your greatest achievement in the past 4-5 years?
2. what are your short-term and long-term career objectives? what do you think is the most ideal job for you?
3. why do you want to join a.t kearney? what do you think you can contribute to a.t kearney?
4. why are you applying for a position at arthur anderson?
5. what are your expectations of our firm.
6. describe your hobbies and interests.
shell company������
1. how wold your colleagues/classmates describe you in five words? on what evidence would they base this assessment.
2. if you are asked to recruit the best graduates for shell, what would you do to attract them? what would you do to select them?
3. please describe a new activity that you have initiated and implemented. please highlight your role out.
4. please describe your outstanding non-academic achievements.
5. please describe any other significant activities you have been involved in including organizing people.
6. imagine that shell has found oil in an inland province of china, near a large river. you are responsible for planning how to transport the oil to the coast thousands of miles away. what are the main issue you would consider, and what would you do?
kpmg������
��the big economic difference between nuclear and fossil-fuelled power stations is that nuclear reactors are more expensive to build and decommission, but cheaper to sun. so disputes over the relative efficiency of the two systems revolve not just around prices of coal and uranium today and tomorrow, but also around the way in which future income should be compared with current income.��
1. the main difference between nuclear and fossil-fuelled power stations is an economic one.
true
untrue
cannot say
2. the price of coal is not relevant to discussions about the relative efficiency of nuclear reactors.
true
untrue
cannot say
3. if nuclear reactors were cheaper to build and decommission than fossil-fuelled power stations, they would definitely have the economic advantage.
true
untrue
cannot say
��at any given moment we are being bombarded by physical and psychological stimuli competing for our attention. although our eyes are capable of handling more than 5 million bits of data per second, our brain are capable of interpreting only about 500 bits per second. with similar disparities between each of the other senses and the brain, it is easy to see that we must
select the visual, auditory, or tactile stimuli that we wish to compute at any specific time.��
4. physical stimuli usually win in the competition for our attention.
true
untrue
cannot say
5. the capacity of the human brain is sufficient to interpret nearly all the stimuli the senses can register under optimum conditions.
true
untrue
cannot say
6. eyes are able to cope with a greater input of information than ears.
true
untrue
cannot say
verbal answer��
��1��c cannot say
��2��b untrue
��3��a true
��4��c cannot say
��5��b untrue
��6��c cannot say
part ii numercal test
1��which country had the highest number of people aged 60 or over at the start of 1985?
a. uk
b. france
c. italy
d. w.germany
e. spain
2��what percentage of the total 15mm button production was classed as sub-standard in september?
aa 10.5% bb 13% cc 15% dd 17.5% ee 20% ab 23.5% ac 25%
ad 27.5% ae 28% bc 30.5%
3. how many live births occurred in 1985 in spain and italy together (to the nearest 1000)?
a. 104 000
b. 840 000
c. 1 044 000
d. 8 400 000
e. 10 440 000
4. what was the net effect on the uk population of the live birthand death rates in 1985?
a. decrease of 66 700
b. increase of 752 780
c. increase of 84 900
d. cannot say
e. increase of 85 270
5. by how much did the total sales value of november��s button production vary from october��s?
a. 8.50 (decrease)
b. 42.50 (decrease)
c. 85.00 (increase)
d. 27.50 (decrease)
e. no change
6. what was the loss in potential sales revenue attributable to the production of sub-standard (as opposed to standard) buttons over the 6 month period?
a. 13.75
b. 27.50
c. 137.50
d. 280.00
e. 275.00
��۵��ű�����
1. based on your understanding of the following java related technologies:
servlets, javaserverpage, javabeans, enterprise javabeans, how do you think these technologies are work together or are applied in the development of an in ternet-based application (25marks).
2. in your opinion ,what do you think are the advantages or benefits of using an object-oriented approach to software development? how do you think those benefits can be achieved or realized? (15marks).
3. in designing your classes, given the choice between inheritance and aggregation which do you choose (15marks).
4. how would you work around the lack of multiple inheritance feature in java (15marks).
5. what would you consider to be the hardest part of oo analysis and design and why (10marks).
6. how do you keep yourself up to date with the latest in software techonogy, especially in the field of software development (10marks).
7. what si your career aspiration? why do you think this e-commerce development center can help you in achieving your career goals (10marks) (1hr, answer in english).
oracle�ı�����
1. would you please describe yourself in 3-4 lines? (limited in 500 words)
2. could you tell us why we should choose you as a loreal person, and what makes you unique? (limited in 500 words)
3. what is your short-term and long-term career plan? (limited in 500 words)
4. what kind of group activities are you interested in and what type of role do you often play?
(limited in 500 words)
5. please use one sentence to give a definition of ��beauty��, and describe the most beautiful thing in your life. (limited in 500 words)
��veritas����������
1. a class b network on the internet has a subnet mask of 255.255.240.0, what is the maximum number of hosts per subnet .
a. 240 b. 255 c. 4094 d. 65534
2. what is the difference: between o(log n) and o(log n^2), where both log arithems have base 2 .
a. o(log n^2) is bigger b. o(log n) is bigger c. no difference
3. for a class what would happen if we call a class��s constructor from with the same class��s constructor .
a. compilation error b. linking error
c. stack overflow d. none of the above
4. ��new�� in c is a: .
a. library function like malloc in c
b. key word c. operator
d. none of the above
5. which of the following information is not contained in an inode .
a. file owner b. file size
c. file name d. disk address
6. what��s the number of comparisons in the worst case to merge two sorted lists containing n elements each .
a. 2n b.2n-1 c.2n 1 d.2n-2
7. time complexity of n algorithm t(n), where n is the input size ,is t(n) =t(n-1) 1/n if n>1 otherwise 1 the order of this algorithm is .
a. log (n) b. n c. n^2 d. n^n
8. the number of 1��s in the binary representation of 3*4096 15*256 5*16 3 are .
a. 8 b. 9 c. 10 d. 12
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1. select one of the following projects to discuss:
a. signal filtering: you are given a sampled real time waveform consisting of a sensor reading mixed with highly periodic impulses and high frequency noise. the desired output is the real time filtered sensor signal with the impulses and noise removed, and a readout of the impulse period. the fft may not be used.
b. interrupt processing. a headware register consisting of eight independent edge triggered latches is used to record external asynchronous interrupt requests. when any of the request bits are latched, a software interrupt is generated. the software may read the latch to see which interrupt(s) occurred. writing a one to any latch bit will clear the latch. how does that software assure that no interrupt request is ever missed?
c. user interface: a prototype mp3 player interface consisting of a playlist display and a few control buttons is given to you. how would you make the interface ��skinnable��, with user selected graphics, options, and control button placement?
each project description is incomplete. what questions would you ask to completely specify the project? what development tools would you prefer to use?
what algorithm /data structures/design would you use?
2. what program(s) have you coded for you own enjoyment (not part of a school project, not for pay). what type of software project would you most enjoy working on?
3. have you participated in a team programming project? what is the hardest part of programming as a team, as opposed to programming alone?
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1. queue is a useful structure
* what is a queue?
* write 5 operations or functions, without details, that can be done on a queue.
2. insert a sequence fo keys(24,49,13,20,59,23,90,35) into a data structure, which has no keys initially. depict the data structure after these ions, if it is:
* a heap tree
* an avl tree
3. * what is a synchronous i/o bus?
* what is an asnchronous i/o bus?
* compare the advantages and disadvantages of synchronous and a synchronous i/o bus.
4. explain the following terminology:
* baud rate
* handshaking
* memory mapped i/o
5. explain the key issues in supporting a real-time operation system for embedded system.
6. explain the mapping of visual addresses to real addresses under paging by
* direct mapping
* associative mapping
* combined direct/associated mapping
7. please explain what is ��write-back�� and ��write-through��, and discuss the advantage and disadvantage about these two methods.
8. explain the concept and benefit of threads
9. what is hardware interrupt? what is software interrupt? what is exception? please tell me
all you know about interrupt.
10. write a recursive function that tests wether a string is a palindrome. a palindrome is s string such as ��abcba�� or ��otto�� that reads the same in both directions. if you can write this function recursively,you can write an iterative version of this function instead.
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1. can you describe the trend of wireless mobile communication industry? ( 2000 letters)
2. compare the major third generation technologies.(2000 letters)
3. describe the characteristics of walsh function. explain how to generate walsh function. (2000 letters)
4. list factors that will affect the capacity of forward and reverse links of a cdma system. (2000 letters)
5. what are the differences between is-95 a/b and cdma2000 1x? (2000 letters)
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1. describe x86 pc��s architecture in a diagram cpu, core chipset, cache, dr am, io-subsystem, io-bus
2. swi instruction is often called a ��supervisor call��, describe the act ions in detail
* save the address of the instruction after the swi in rl4_svc.
* save the cpsr in spsr_svc.
* enter supervisor mode and disable irqs.
* set the pc to 08 and begin executing the instruction there.
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* what is pio operation? advantage and disadvantage?
* dma operation? advantage and disadvantage?
* scatter/gather dma engine? how does it operate?
4. mp3 decoder related. (a flow chart of decoding is presented)
* advantages of huffman encoding?
* why the aliasing reduction is necessary?
* analytical expression in mathematics of the imdct?
* which block in the flow chart is suitable for the software implementatio n and which for the hardware? why?
5. assembly codes -> c language (about 15 lines).
6. graduation thesis description.
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2. what is your career plan? three years after graduation, and five years after graduation?
3. why are you interested in investment bank? what other industries do you also have interests?
4. why do you think you can be a qualified investment banker? how can you contribute in this industry?
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2��ʲô��sdh?
3��ʲô�ǹ�ģ����ģ?������ֵ�·�ľṹ��
4��a=5; b=6; a =b ; ִ�н����ʲô��
5��ʲô��tdm��ʲô��cdma��
6��ʲô�dz���������
7��ʲô����ũ������
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1. translation (mandatory)
cdma venders have worked hard to give cdma roaming capabilities via the development of ruim-essentially, a sim card for cdma handsets currently being deployed in china for new cdma operator china unicom. korean cellco ktf demonstrated earlier this year the ability to roam between gsm and cdma using such cards. however, only the card containing the user��s service data can roam-not the cdma handset or the user��s number (except via call forwarding).
2. programming (mandatory)
linked list
a. implement a linked list for integers, which supports the after ( a node after a specified node) and remove after (remove the node after a specified node) methods;
b. implement a method to sort the linked list to descending order.
3. debugging (mandatory)
a. for each of the following recursive methods, enter y in the answer box if the method terminaters (assume i=5), otherwise enter n.
static int f(int i){
return f(i-1)*f(i-1);
}
ansewr:
static int f(int i){
if(i==0){return 1;}
else {return f(i-1)*f(i-1);}
}
ansewr:
static int f(int i){
if(i==0){return 1;}
else {return f(i-1)*f(i-2);}
}
ansewr:
b. there are two errors in the following java program:
static void g(int i){
if(i==1){return;}
if(i%2==0){g(i/2);return;}
else {g(3*i);return;}
}
please correct them to make sure we can get the printed-out result as below:
3 10 5 16 8 4 2 1
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2�����
������ת�����ַ�����void itoa(int,char);
����itoa(-123,s[])��s=��-123��;
u2�ϳ�����17�����ڵøϵ��ݳ��᳡��;�б�����һ���ţ��ĸ��˴��ŵ�ͬһ�˳�������ð������ǵ�����һ�ˣ���ɫ�ܰ���������ֻ��һֻ�ֵ�ͳ��һ��ͬʱ������������һ����ţ������ŵ�ʱ���������ֵ�ͳ�����ծ͵����˰��ֵ�ͳ������ȥ�����������ˡ��ֵ�ͳ�dz����ö��ķ�ʽ�����ݵġ��ĸ��˵ij����ٶȸ���ͬ��������ͬ�����խ����ߵ��ٶ�ϊ׼��bono�軨1���ӹ��ţ�edge�軨2���ӹ��ţ�adam�軨5���ӹ��ţ�larry�軨 10���ӹ��š�����ҫ�����17�����ڹ����أ����и�ͬ�õ�ѧ��д����˵����ʱ��΢������ʱ��������������⣬���ֻ��������19�����ڹ��ţ�΢�����˶����������ľ���ѿ��dz������ˣ���
a�㵽b��
1��2��ȥ 2���� 2
2���� 4���� 2 2=4
10��5��ȥ 14���� 4 10=14
1���� 15���� 14 1=15
1��2��ȥ 17���� 15 2=17
19���ӻ��ܲ�����������
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1������s-m-t-w-t-f-��
2�������ǧ�����٣�����ʾ��6606����ôʮһǧ��ʮһ�٣�ʮһ��ʾ��ʲô��
3��grass�����һ���ʣ�agentǰ���һ�����ʣ���������´ʣ��������ʲô��
4��ũ����֪���ж��ټ�������һ�����ϣ��������75ֻ�����ϲ�20���ã����100ֻ�����ϲ���15�죬��ԭ���ж���ֻ����
5��6��ͱ��װ������һ�壬һ��һ��ļ۸�������һ�ֵ�double��ͱ����ϊ8��13��1
5��17��19��31����һ�������ˣ�������14��Ԫ������һ�壬ʣ��һ��ͱ����ʣ���ĸ���
6�����򳡣���ʣ6�룬�����4�֣�û����׷���ϣ�������һ����ͣ�������ôָ����աȥ����
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1�����ҽ��ܣ�2���ӣ���
2�����ѧ�ڼ���ի͵�һ������ʲô��
3�����������ȥ���ǵ���300�꣬������������������һ������ʲô?
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1��10���˷ֳ�4���м��ַַ���
2����ͼ��
7 8 9 10
6 1 2 11
5 4 3 12
16 15 14 13
�衰1��������ϊ��0��0�� ��7��������ϊ����1����1����дһ��с����ʹ���������������꣨x,y��֮����ʾ����ӧ�����֡�
3��#include
//example input and output
//in 1 2 3 out 1 3 1
//in 123456789 2 100 out 123456789 100 21
long mex(long a,long b,long c)
{ long d;
if(b==0) return 0;
if(b==1) return a%c;
d=mex(a,b/2,c)�� d*=d;��������;d*=mex(a,b%2,c);d%=c;
return d;
}
int main(void)
{ long x,y,z;
while(1)
{ if(scanf(%d %d %d,&x,&y,&z)>3) return 0;
if(x<0) { printf(\"too small\\n\");continue;}
if(y<0) { printf(\"too small\\n\");continue;}
if(z<1) { printf(\"too small\\n\");continue;}
if(y>z) { printf(\"too big\\n\");continue;}
if(z>1000000010) {printf(\"too big\\n\");continue}
printf(%d %d %d,x,z,mex(x,y,z);
}}
����������򣬵���֪һ�����룬���������磺���� 1 3 1 ����� 1 2 3 ���� 123456789 100 21 ��� 123456789 2 100
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1����ղ�����һщʱ���⣬�磺�ҹ��ж������������������������ʲô�ģ������ߵ�һщ��ʶ�ե����⣺���ҹ���һ����д����ͨѷ�����ļ�����˭����Ԫ�������佱���ļ�����˭��
2��ѡ���ⷶχ����ջ���һ��������ʱ��������֪ʶ������ȳɷõ�ʵ�ʣ����ߵ�ְҵ���µȡ�
3�������ͱƚ�רҵ��һ������μ�һ�����ٹ�·�ŀ�ͨ��������ڼ��߻��ϸ�������ͨ��֮��д������û˵�����ݡ�һ������ȥһ����λ�ɷã���û���κθõ�λ��֤�������뺯֮�ණ���������ƭ���������ȥ�����������м�����ˮ��˾��������˵�û����������������ˣ������δ��������ĵ���a������b���dz��ͣ�����α���a��b�ļ����ֲ�����b����̰���
4��д�������ԡ����궬�첻̫�䡱ϊ���������󣬼�����顣
5������������飺��κȵ�ơ�ʊ��ײ���ơ�ơ���������������2���׸���ô�졢���ƻ��ʱ�ե������������֮�࣬10ֻ��ȼ�������÷紵����2ֻ�������ڹش���ǰ�ִ���1ֻ��������м�֧��
����(����)�з�����у԰��ƹ�ծ�(b)
1�����ñ�׼c����ʵ��һ��˫���ѭ�������ij�����ɾ����
typedef struct doublecyclelink{
int key;
struct doublecyclelink *prev;
struct doublecyclelink *next;
}doublecyclelinkt;
doublecyclelinkt *findkey(doublecyclelinkt *link,int key);
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2�����ó����ӡ����ͼ��
*
* *
* * *
* * * *
* * * * *
void printtriangle(const unsigned char line);
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3�����ñ�׼c����ʵ�����б�׼�⺯��������в���ʹ�������⺯����
char *strstr(char *str1,char *str2);
���ַ���str1�у�ѱ���ִ�str2�����ҵ������ҵ���λ�ã����򷵻�null��
4��������δ���ѭ�����ٴσ�
main()
{
char i=0;
while(i<10)
{
if(i<1)continue;
if(i==5)break;
i ;
}
......
}
5����Ԥ����ָ��#define����һ�����������ա���1�����ж����루�����������⣩
6����������main��������ʲô���ľ����
main()
{
int x=10,y=3;
printf(\"%d\\n\",y=x/y);
}
7�������³���
#define p 3
void f(int x)
{
return(p*x*x);
}
main()
{
printf(\"%d\\n\",f(3 5));
}
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8����intռ2���ֽڣ�charռ1���ֽڣ�floatռ4���ֽڣ��������£�
struct stu
{
union{
char bj[5];
int bh[2];
}class;
char xm[8];
float cj;
}xc;
��sizeof(xc)��ֵϊ?
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