杭电acm部分题目及答案答案.docx

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杭电acm部分题目及答案答案.docx

杭电acm部分题目及答案答案

自己刷的题

这是我在杭电做题的记录,希望我的分享对你有帮助!

HowtoType***************************************************************16

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)

ProblemDescription

Yourtaskistocalculatethesumofsomeintegers.

 

Input

InputcontainsanintegerNinthefirstline,andthenNlinesfollow.EachlinestartswithaintegerM,andthenMintegersfollowinthesameline.

 

Output

Foreachgroupofinputintegersyoushouldoutputtheirsuminoneline,andwithonelineofoutputforeachlineininput.

 

SampleInput

2

41234

512345

 

SampleOutput

10

15

 

Author

lcy

解答:

#include

main()

{

intn,a,b,i,j,sum;

sum=0;

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

=-1)

{

for(i=0;i

{

scanf("%d",&b);

for(j=0;j

{

scanf("%d",&a);

sum+=a;

}

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

sum=0;

}

}

}

 

1094A+BforInput-OutputPractice(VI)

ProblemDescription

Yourtaskistocalculatethesumofsomeintegers.

 

Input

Inputcontainsmultipletestcases,andonecaseoneline.EachcasestartswithanintegerN,andthenNintegersfollowinthesameline.

 

Output

ForeachtestcaseyoushouldoutputthesumofNintegersinoneline,andwithonelineofoutputforeachlineininput.

 

SampleInput

41234

512345

 

SampleOutput

10

15

 

Author

lcy

 

Recommend

JGShining

解答:

#include

main()

{

intn,a,b,i,j,sum;

sum=0;

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

=-1)

{

for(j=0;j

{

scanf("%d",&a);

sum+=a;

}

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

sum=0;

}

}

[CopytoClipboard]    [SavetoFile]

 

1095A+BforInput-OutputPractice(VII)

ProblemDescription

YourtaskistoCalculatea+b.

 

Input

Theinputwillconsistofaseriesofpairsofintegersaandb,separatedbyaspace,onepairofintegersperline.

 

Output

Foreachpairofinputintegersaandbyoushouldoutputthesumofaandb,andfollowedbyablankline.

 

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\n",a+b);

}

1096A+BforInput-OutputPractice(VIII)

ProblemDescription

Yourtaskistocalculatethesumofsomeintegers.

 

Input

InputcontainsanintegerNinthefirstline,andthenNlinesfollow.EachlinestartswithaintegerM,andthenMintegersfollowinthesameline.

 

Output

Foreachgroupofinputintegersyoushouldoutputtheirsuminoneline,andyoumustnotethatthereisablanklinebetweenoutputs.

 

SampleInput

3

41234

512345

3123

 

SampleOutput

10

15

6

 

Author

lcy

 

Recommend

JGShining

解答:

intmain()

{

inta,b,i,j,l[1000],k;

scanf("%d",&i);

getchar();

for(j=1;j<=i;j++)

l[j]=0;

for(j=1;j<=i;j++)

{

scanf("%d",&a);

getchar();

for(k=1;k<=a;k++)

{

scanf("%d",&b);

getchar();

l[j]+=b;

}

}

for(j=1;j<=i-1;j++)

printf("%d\n\n",l[j]);

printf("%d\n",l[i]);

}

HowtoType

ProblemDescription

Pirateshavefinisheddevelopingthetypingsoftware.HecalledCathytotesthistypingsoftware.Sheisgoodatthinking.Aftertestingforseveraldays,shefindsthatifshetypesastringbysomeways,shewilltypethekeyatleast.Butshehasabadhabitthatifthecapslockison,shemustturnoffit,aftershefinishestyping.Nowshewantstoknowthesmallesttimesoftypingthekeytofinishtypingastring.

Input

Thefirstlineisanintegert(t<=100),whichisthenumberoftestcaseintheinputfile.Foreachtestcase,thereisonlyonestringwhichconsistsoflowercaseletteranduppercaseletter.Thelengthofthestringisatmost100.

Output

Foreachtestcase,youmustoutputthesmallesttimesoftypingthekeytofinishtypingthisstring.

SampleInput

3

Pirates

HDUacm

HDUACM

SampleOutput

8

8

8

#include

#include

#defineMAX200

intarr[MAX][4];

charstr[MAX];

intletter(charch)

{

if(ch>='A'&&ch<='Z')return1;

return0;

}

voidproc()

{

inti;

inttmp,min;

intlen=strlen(str);

for(i=0;i

{

if(i==0)

{

if(letter(str[i])){arr[i][1]=2;arr[i][2]=2;}

else{arr[i][0]=1;arr[i][3]=3;}

}

else

{

if(letter(str[i])==letter(str[i-1]))

{

if(arr[i-1][0]){arr[i][0]=arr[i-1][0]+1;arr[i][3]=arr[i-1][0]+3;}

if(arr[i-1][1]){arr[i][1]=arr[i-1][1]+2;arr[i][2]=arr[i-1][1]+2;}

if(arr[i-1][2])

{

if(arr[i][0]>arr[i-1][2]+1||!

arr[i][0])arr[i][0]=arr[i-1][2]+1;

if(arr[i][3]>arr[i-1][2]+3||!

arr[i][3])arr[i][3]=arr[i-1][2]+3;

}

if(arr[i-1][3])

{

if(arr[i][1]>arr[i-1][3]+2||!

arr[i][1])arr[i][1]=arr[i-1][3]+2;

if(arr[i][2]>arr[i-1][3]+2||!

arr[i][2])arr[i][2]=arr[i-1][3]+2;

}

}

else

{

if(arr[i-1][0]){arr[i][1]=arr[i-1][0]+2;arr[i][2]=arr[i-1][0]+2;}

if(arr[i-1][1]){arr[i][0]=arr[i-1][1]+1;arr[i][3]=arr[i-1][1]+3;}

if(arr[i-1][2])

{

if(arr[i][1]>arr[i-1][2]+2||!

arr[i][1])arr[i][1]=arr[i-1][2]+2;

if(arr[i][2]>arr[i-1][2]+2||!

arr[i][2])arr[i][2]=arr[i-1][2]+2;

}

if(arr[i-1][3])

{

if(arr[i][0]>arr[i-1][3]+1||!

arr[i][0])arr[i][0]=arr[i-1][3]+1;

if(arr[i][3]>arr[i-1][3]+3||!

arr[i][3])arr[i][3]=arr[i-1][3]+3;

}

}

}

}

min=3*MAX;

if(letter(str[len-1]))

{

if(arr[len-1][0]){tmp=arr[len-1][0]+1;if(tmp

if(arr[len-1][1]){tmp=arr[len-1][1];if(tmp

if(arr[len-1][2]){tmp=arr[len-1][2]+1;if(tmp

if(arr[len-1][3]){tmp=arr[len-1][3];if(tmp

}

else

{

if(arr[len-1][0]){tmp=arr[len-1][0];if(tmp

if(arr[len-1][1]){tmp=arr[len-1][1]+1;if(tmp

if(arr[len-1][2]){tmp=arr[len-1][2];if(tmp

if(arr[len-1][3]){tmp=arr[len-1][3]+1;if(tmp

}

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

}

//CapsShift:

0-00;1-01;2-10;3-11

intmain()

{

intnum;

scanf("%d",&num);

while(num--)

{

scanf("%s",str);

memset(arr,0,strlen(str)*4*sizeof(int));

proc();

}

return0;

}

 

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