c语言实验报告答案

μúèy??

ìa??3￡o

#include main()

{

float pi,h,r,l,s,sq,vq,vz; pi=3.1415926;

printf(\ scanf(\ l=2*pi*r;

s=pi*r*r;

sq=4*pi*r*r;

vq=4.0/3*pi*r*r*r; vz=pi*r*r*h;

printf(\

printf(\ printf(\ printf(\ printf(\}

ìa??4￡o

#include \main()

{float f,c;

printf(\scanf(\

c=5*(f-32)/9;

printf(\}

ìa??5￡o

#include \main()

{char c1,c2,b,d;

printf(\scanf(\c2=c1-32; b=c2-1; d=c2+1;

printf(\printf(\}

ìa??6￡o

#include \main()

{int x,y,h,f;

scanf(\x=2*h-f/2; y=f/2-h;

printf(\}

ìa??7￡o

#include \main()

{float x,y,h,s;

scanf(\s=(x+y)*h/2;

printf(\}

ìa??8￡o

#include \main()

{char x,y;

printf(\scanf(\

printf(\printf(\}

ìa??9￡o

#include \#include \main()

{float x,y,z;

scanf(\z=sqrt(y)+pow(x,5)/2;

printf(\}

μú???? ìa??1: main()

{int a,b,c,max;

printf(\

scanf(\

if(a

if(b

max=c; else

max=b;

else

if(a

max=c;

else

max=a;

printf(\ } ìa??2:

main()

{int x,y;

printf(\

scanf(\

if(x<1)

{y=x;printf(\

else if(x<10)

{y=2*x-1;printf(\

else

{y=3*x-11;printf(\ } ìa??3:

main() {

float score;

char grade;

printf(\

scanf(\

switch((int)(score/10)) {

case 10:

case 9: grade='A'; break;

case 8: grade='B'; break;

case 7: grade='C'; break;

case 6: grade='D'; break;

case 5:case 4:case 3:case 2:case 1:

case 0:grade='E'; break; }

printf(\ } ìa??5:

main()

{int a,b,x,y;

printf(\

scanf(\

x=a*a+b*b;

if(x>100)

{y=x/100;printf(\

else

printf(\ }

ìa??6:

#include \

main()

{char ch;

printf(\

ch=getchar();

if(ch<32)

printf(\

else if (ch>='A'&&ch<='Z')

printf(\

else if(ch>='a'&&ch<='z')

printf(\

else if(ch>='1'&&ch<='9')

printf(\ else

printf(\ }

ìa??8￡o

operator break

default

?μ?÷￡o

g??ê?·?￡oò?f??ê??òe??ê?ê?3?êμêy￡??ò2?ê?3??Tòaò?μ?á??￡????f??ê??òe??ê?μ??-?òê?￡o??????ê?ê?3?ê±?ù???í?è??D?￡??′ê1ó????ag??ê?·?μ?ê?3?D?ê??￡ ìa??9:

#include\ main()

{int a,b,c,t,min;

scanf(\

t=(abs(a)

min=(abs(t)

printf(\ }

ìa??10:

main()

{int m,n,x;

scanf(\

if((x%n==0&&x%m==0)&&(n%x==0&&m%x==0))

printf(\

else if(x%n==0&&x%m==0)

printf(\

else if(n%x==0&&m%x==0)

printf(\

else

printf(\ }

ìa??11:

#include \

main()

{int a,b;

scanf(\

if(sqrt(a*a+b*b)<15)

printf(\

else if(sqrt(a*a+b*b)==15)

printf(\

else

printf(\ }

ìa??12:

#include\

main()

{char ch;int m;

ch=getchar() ;

switch(ch)

{case '1':scanf(\

printf(\

case '2' :scanf(\

printf(\

case '3':scanf(\

printf(\

case '4' : printf(\

}

μú????

±àD′3ìDòμ?·?·¨2?ê??¨ò?μ?￡???1?2????￡

ìa??4￡o sn=sn+tn tn=tn+a

ìa??5￡o

￡¨1￡?

main()

{int i,j,k,m;

for(i=100;i<=999;i++) {

j=i/100; k=i/10-j*10; m=i;

if(i==j*j*j+k*k*k+m*m*m) printf(\ } }

￡¨2￡?

main()

{int i,j,k,n,m; for(i=1;i<=9;i++) for(j=0;j<=9;j++) for(k=0;k<=9;k++)

{m=i*100+j*10+k; n=i*i*i+j*j*j+k*k*k; if(m==n)

printf(\ } }

ìa??6￡o a=a+b b=a-b

ìa??7￡o

#include \main() {

int i;

for(i=1;i<100;i++)

if(i*i==i||i*i0==i) printf(\

}

#include \main() {

int i;clrscr();

for(i=1;i<1000;i++)

if(i*i==i||i*i0==i||i*i00==i) printf(\}

ìa??10￡o ￡¨￡?￡¨i%a￡?￡? (m==i )

ìa??11￡o main()

{int i,j,k;

for(i=1;i<=4;i++) {

for(j=1;j<=4-i;j++) printf(\

for(k=1;k<=2*i-1;k++) printf(\

printf(\}

for(i=1;i<=3;i++) {

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

for(k=1;k<=7-2*i;k++) printf(\ printf(\} }

ìa??12￡o break;

(k%m==0&&k%n==0)

ìa??13￡o break; continue; ìa??15￡o main()

{

int i,j;

for(i=1;i<=9;i++) { for(j=1;j<=i;j++)

printf(\printf(\} }

ìa??16￡o main()

{int i,j;

for(i=1;i<=6;i++)

{for(j=1;j<=6-i;j++) printf(\ for(j=1;j<=i;j++) printf(\ for(j=i-1;j>=1;j--) printf(\ printf(\}

ìa??17￡o

#include #include

main()

{int magic,num; int count;

srand(time(0)); magic=rand(); count=0; while(1)

{

printf(\ scanf(\ count++;

if(num>magic) printf(\

else if(num

else {printf(\}

getch(); }

ìa??18￡o main()

{int i,j,n,m;

for(i=0;i<=9;i++) for(j=0;j<=9;j++) if(i!=j) {

m=i*1100+j*11;

for(n=1;n<=99;n++)

if(m==n*n) printf(\} }

μúáù?? ìa??5￡o

s1[i]=?ˉ\\0?ˉ

ìa??6￡o

s1[i]!='\\0'&&s2[i]!= '\\0'

s1[i]-s2[i]

ìa??8￡o

'\\0'

'\\0'

x[i￡?￡?] ìa??9: main()

{int num,sum=0,min=1000,max=0,grade[11];

for (num=1;num<=10;num++)

{scanf(\

sum=sum+grade[num];

if(min>grade[num]) min=grade[num];

if(max

printf(\

printf(\ }

ìa??10￡o ·?·¨ò? main()

{int a[20],m,n,k,h,i,j;

m=n=k=h=0;

for(i=0;i<20;i++)

{

scanf(\

switch(a[i]/10)

{case 10:case 9:case 8:m++;break;

case 7:n++;break;

case 6:k++;break;

default:h++;} }

printf(\

printf(\

for(j=0;j

printf(\

printf(\

printf(\

for(j=0;j

printf(\

printf(\

printf(\

for(j=0;j

printf(\

printf(\

printf(\

for(j=0;j

printf(\

printf(\ }

·?·¨?t

#include \ main()

{int i,j,a[4]={0},score[21];

char s[4][20]={\

for(i=1;i<=20;i++) {

scanf(\

if(score[i]>=80) a[0]++;

else if(score[i]>=70) a[1]++;

else if(score[i]>=60) a[2]++;

else a[3]++; }

for(j=0;j<4;j++) {

printf(\

for(i=0;i

printf(\

printf(\ } }

ìa??11￡o

·?·¨ò? main()

{int i,j,temp,a[5][5];

clrscr();

for (i=0;i<5;i++)

scanf(\

for (i=1;i<5;i++)

{

temp=a[i-1][0];

for (j=0;j<4;j++)

a[i][j]=a[i-1][j+1];

a[i][4]=temp;

}

for (i=0;i<5;i++)

{

for (j=0;j<5;j++)

printf(\

printf(\

}

·?·¨?t

#include \

main()

{int a[5]={3,6,2,9,1};

int i,j;

for(i=0;i<5;i++) {

for(j=0;j<5;j++)

printf(\

printf(\ } }

ìa??12￡o

main()

{int a[10],i,j,min;

for (i=0;i<10;i++)

scanf(\

min=a[0];

for (i=0;i<10;i++)

if (min>a[i])

{min=a[i];

j=i;}

for (i=j;i>0;i--)

a[i]=a[i-1];

a[0]=min;

for(i=0;i<10;i++)

printf(\ }

ìa??13:

·?·¨ò?

main()

{long n,a[5],i,j;

for(i=95960;i<100000;i++)

{ n=i;

for(j=0;j<5;j++)

{ a[j]= n;

n=n/10;}

if(a[0]==a[4]&&a[1]==a[3])

break;}

printf(\ }

·?·¨?t

main() {

long int i;

int a[5];

i=95859;

while(1) { i++;

a[0]=i/10000;

a[1]=i/1000-a[0]*10;

a[2]=i/100-a[0]*100-a[1]*10;

a[3]=i/10-a[0]*1000-a[1]*100-a[2]*10;

a[4]=i;

if(a[0]==a[4]&&a[1]==a[3]) break; }

printf(\ }

ìa??14: main() {

int a[5][5],min,k,i,j;

for(i=0;i<5;i++)

for(j=0;j<5;j++)

scanf(\

min=a[0][0];

for(i=1;i<5;i++)

if(a[i][i]

if(min==a[0][0]) k=0;

printf(\ }

ìa??15

·?·¨ò?

#include \

main()

{char s[20];

int i,j;

printf(\

gets(s);

for(i=0;s[i]!='\\0';i++)

if(s[i]==' ')

{for(j=i;s[j]!='\\0';j++)

s[j]=s[j+1];

}

ìa??14?￡ #include \

int n1=0,n2=0,n3=0,n4=0;

count(char b[])

{int i=0;

while(b[i]!='\\0') {

if(b[i]>='a'&&b[i]<='z'||b[i]>='A'&&b[i]<='Z')

n1++;

else if(b[i]==' ')

n2++;

else if(b[i]>='0'&&b[i]<='9')

n3++; else

n4++;

i++; }} main()

{char a[80];

gets(a);

count(a);

printf(\ }

ìa??15?￡ int fb(int n)

{ int r;

if(n==1)r=1;

else if(n==2) r=1;

else r=fb(n-1)+fb(n-2);

return r; } main()

{ int x,s;

printf(\

scanf(\

s=fb(x);

printf(\

}

ìa??16?￡

fun(long m)

{long p;

if(m<=9) printf(\ else

{p=m;

printf(\

fun(m/10);}

}

main()

{long n;

scanf(\

fun(n);}

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