杭电题目acm答案[1].doc

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选修课考试作业

1001SumProblem 2

1089A+BforInput-OutputPractice(I) 4

1090A+BforInput-OutputPractice(II) 6

1091A+BforInput-OutputPractice(III) 8

1092A+BforInput-OutputPractice(IV) 9

1093A+BforInput-OutputPractice(V) 11

1094A+BforInput-OutputPractice(VI) 12

1095A+BforInput-OutputPractice(VII) 13

1096A+BforInput-OutputPractice(VIII) 14

2000ASCII码排序 16

2001计算两点间的距离 17

2002计算球体积 19

2003求绝对值 20

2004成绩转换 21

2005第几天?

22

2006求奇数的乘积 24

2007平方和与立方和 26

2008数值统计 27

2009求数列的和 28

2010水仙花数 29

2011多项式求和 31

2012素数判定 33

2014青年歌手大奖赛_评委会打分 34

2015偶数求和 36

2016数据的交换输出 38

2017字符串统计 40

2019数列有序!

41

2020绝对值排序 43

2021发工资咯:

) 45

2033人见人爱A+B 46

2039三角形 48

2040亲和数 49

姓名:

郑春杰

班级:

电商1001

学号:

1010504134

1001SumProblem

ProblemDescription

Hey,welcometoHDOJ(HangzhouDianziUniversityOnlineJudge).

Inthisproblem,yourtaskistocalculateSUM(n)=1+2+3+...+n.

 

Input

Theinputwillconsistofaseriesofintegersn,oneintegerperline.

 

Output

Foreachcase,outputSUM(n)inoneline,followedbyablankline.Youmayassumetheresultwillbeintherangeof32-bitsignedinteger.

 

SampleInput

1

100

 

SampleOutput

1

5050

 

Author

DOOMIII

解答:

#include

main()

{

intn,i,sum;

sum=0;

while((scanf("%d",&n)!

=-1))

{

sum=0;

for(i=0;i<=n;i++)

sum+=i;

printf("%d\n\n",sum);

}

}

1089A+BforInput-OutputPractice(I)

ProblemDescription

YourtaskistoCalculatea+b.

Tooeasy?

!

Ofcourse!

Ispeciallydesignedtheproblemforacmbeginners.

Youmusthavefoundthatsomeproblemshavethesametitleswiththisone,yes,alltheseproblemsweredesignedforthesameaim.

 

Input

Theinputwillconsistofaseriesofpairsofintegersaandb,separatedbyaspace,onepairofintegersperline.

 

Output

Foreachpairofinputintegersaandbyoushouldoutputthesumofaandbinoneline,andwithonelineofoutputforeachlineininput.

 

SampleInput

15

1020

 

SampleOutput

6

30

 

Author

lcy

 

Recommend

JGShining

解答:

#include

main()

{

inta,b;

while(scanf("%d%d",&a,&b)!

=EOF)

printf("%d\n",a+b);

}

1090A+BforInput-OutputPractice(II)

ProblemDescription

YourtaskistoCalculatea+b.

 

Input

InputcontainsanintegerNinthefirstline,andthenNlinesfollow.Eachlineconsistsofapairofintegersaandb,separatedbyaspace,onepairofintegersperline.

 

Output

Foreachpairofinputintegersaandbyoushouldoutputthesumofaandbinoneline,andwithonelineofoutputforeachlineininput.

 

SampleInput

2

15

1020

 

SampleOutput

6

30

 

Author

lcy

 

Recommend

JGShining

解答:

#include

#defineM1000

voidmain()

{

inta,b,n,j[M],i;

//printf("pleaseinputn:

\n");

scanf("%d",&n);

for(i=0;i

{

scanf("%d%d",&a,&b);

//printf("%d%d",a,b);

j[i]=a+b;

}

i=0;

while(i

{

printf("%d",j[i]);

i++;

printf("\n");

}

}

1091A+BforInput-OutputPractice(III)

ProblemDescription

YourtaskistoCalculatea+b.

 

Input

Inputcontainsmultipletestcases.Eachtestcasecontainsapairofintegersaandb,onepairofintegersperline.Atestcasecontaining00terminatestheinputandthistestcaseisnottobeprocessed.

 

Output

Foreachpairofinputintegersaandbyoushouldoutputthesumofaandbinoneline,andwithonelineofoutputforeachlineininput.

 

SampleInput

15

1020

00

 

SampleOutput

6

30

 

Author

lcy

 

Recommend

JGShining

解答:

#include

main()

{

inta,b;

scanf("%d%d",&a,&b);

while(!

(a==0&&b==0))

{

printf("%d\n",a+b);

scanf("%d%d",&a,&b);

}

}

1092A+BforInput-OutputPractice(IV)

ProblemDescription

YourtaskistoCalculatethesumofsomeintegers.

 

Input

Inputcontainsmultipletestcases.EachtestcasecontainsaintegerN,andthenNintegersfollowinthesameline.Atestcasestartingwith0terminatestheinputandthistestcaseisnottobeprocessed.

 

Output

Foreachgroupofinputintegersyoushouldoutputtheirsuminoneline,andwithonelineofoutputforeachlineininput.

 

SampleInput

41234

512345

0

 

SampleOutput

10

15

 

Author

lcy

 

Recommend

JGShining

 

解答:

#include

intmain()

{

intn,sum,i,t;

while(scanf("%d",&n)!

=EOF&&n!

=0)

{

sum=0;

for(i=0;i

{

scanf("%d",&t);

sum=sum+t;

}

printf("%d\n",sum);

}

}

1093A+BforInput-OutputPractice(V)

Problem

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