C语言全部题目及答案Word格式文档下载.docx

C语言全部题目及答案Word格式文档下载.docx

《C语言全部题目及答案Word格式文档下载.docx》由会员分享，可在线阅读，更多相关《C语言全部题目及答案Word格式文档下载.docx（23页珍藏版）》请在冰豆网上搜索。

（b）Writeaprogramthatcalculatesanddisplayshowmanyhours180minutesequalto、

（c）（Optional）Howabout174minutes?

ANSWERS:

#include<

stdio、h>

intmain（）

{

printf（"

Thisismyfirstprogram!

"

）;

return0;

}

Thisismysecondprogram!

1"

2"

3"

4"

1234"

%d%d%d%d"

1,2,3,4）;

floatdays,minutes;

days=15;

minutes=days*24*60;

Thenumberofminutesin15daysare%f\n"

minutes）;

floatminutes,hours;

minutes=180;

hours=minutes/60;

180minutesequalto%fhours\n"

hours）;

minutes=174;

174minutesequalto%fhours\n"

Exercise2:

DataTypesandArithmeticOperations

1、Youpurchasealaptopcomputerfor$889、Thesalestaxrateis6percent、WriteandexecuteaCprogramthatcalculatesanddisplaysthetotalpurchaseprice（netprice+salestax）、

2.Writeaprogramthatreadsintheradiusofacircleandprintsthecircle’sdiameter,circumferenceandarea、Usethevalue3、14159for“π”、

3.Writeaprogramthatreadsintwonumbers:

anaccountbalanceandanannualinterestrateexpressedasapercentage、Yourprogramshouldthendisplaythenewbalanceafterayear、Therearenodepositsorwithdraws–justtheinterestpayment、Yourprogramshouldbeabletoreproducethefollowingsamplerun:

Interestcalculationprogram、

Startingbalance?

6000

Annualinterestratepercentage?

4、25

Balanceafteroneyear:

6255

ANSWER:

floatnet_price,sales_tax,total;

net_price=889;

sales_tax=net_price*0、06;

total=net_price+sales_tax;

Thetotalpurchasepriceis%g"

total）;

Pleaseinputanumberasradius:

\n"

floatradius,diameter,circumference,area;

scanf（"

%f"

&

radius）;

Thediameteris%g\n"

diameter=radius*2）;

Thecircumferenceis%g\n"

circumference=radius*2*3、14159）;

Theareais%g\n"

area=radius*radius*3、14159）;

floatSB,percentage,NB;

Interestcalculationprogram\n\nPleaseentertheStartingBalance:

SB）;

PleaseentertheAnnualinterestratepercentage:

percentage）;

NB=SB*percentage/100+SB;

\nTheBalanceafteroneyearis:

%g"

NB）;

Exercise3:

Selectionstructure

1．WriteaCprogramthatacceptsastudent’snumericalgrade,convertsthenumericalgradetoPassed（gradeisbetween60-100）,Failed（gradeisbetween0-59）,orError（gradeislessthan0orgreaterthan100）、

2．Writeaprogramthataskstheusertoenteranintegernumber,thentellstheuserwhetheritisanoddorevennumber、

3．Writeaprogramthatreadsinthreeintegersandthendeterminesandprintsthelargestinthegroup、

intgrade;

printf（"

Pleaseenterthegrade:

scanf（"

%d"

grade）;

if（grade>

=60&

&

grade<

=100）

Passed、"

elseif（grade>

=0&

60）

Failed、"

else

Error、"

return0;

inta,b,c;

Pleaseenter3integernumbers\n"

ThenI'

lltellyouwhichisthelargest\n"

%d%d%d"

a,&

b,&

c）;

if（a>

b&

a>

c）

%disthelargest"

a）;

elseif（b>

a&

b>

b）;

elseif（c>

c>

b）

c）;

They'

reequal"

inta;

Pleaseenteranintegernumber\n"

lltellyouwhetherit'

sanoddorevennumber"

a）;

if（a%2==0）

%disanevennumber"

%disaod