华南农业大学C语言上机实验答案

格式：一题号一答案，相对应

1001

#include "stdio.h"

int main()

{

int a,b;

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

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

}

1007

#include "stdio.h"

int main()

{

int a,b;

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

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

}

1014

#include"stdio.h"

void main()

{

float area,r;

scanf("%f",&r);

area=3.14159*r*r;

printf("%0.2f",area);

}

1015

#include

void main()

{float f,c;

scanf("%f",&f);

c=5.0/9*(f-32);

printf("%.2f",c);

}

1016

#include

main()

{char a,b,c,d,e;

scanf("%c%c%c%c%c",&a,&b,&c,&d,&e); if(a<='Z'&&a>='A')a=a+32;

if(b<='Z'&&b>='A')b=b+32;

if(c<='Z'&&c>='A')c=c+32;

if(d<='Z'&&d>='A')d=d+32;

if(e<='Z'&&e>='A')e=e+32;

printf("%c%c%c%c%c",a,b,c,d,e);

}

1017

#include "stdio.h"

void main()

{int n,place;

scanf("%ld",&n);

if(n>99999999)place=9;

else if(n>9999999)place=8;

else if(n>999999)place=7;

else if(n>99999)place=6;

else if(n>9999)place=5;

else if(n>999)place=4;

else if(n>99)place=3;

else if(n>9)place=2;

else place=1;

printf("%ld\n",place);

}

1018

#include

main()

{int a,b,c,t;

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

if(a>b){t=a;a=b;b=t;}

if(a>c){t=a;a=c;c=t;}

if(b>c){t=b;b=c;c=t;}

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

}

1019

#include"stdio.h"

main()

{int a,b,c,d,e;

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

if(a%27==0)printf("YES\n");else printf("NO\n"); if(b%27==0)printf("YES\n");else printf("NO\n"); if(c%27==0)printf("YES\n");else printf("NO\n"); if(d%27==0)printf("YES\n");else printf("NO\n");

if(e%27==0)printf("YES\n");else printf("NO\n"); }

1020

#include"stdio.h"

main()

{int n;

scanf("%d",&n);

if(n<0)printf("negative\n");

else printf("positive\n");

if(n%2==0)printf("even\n");

else printf("odd\n");

}

1023

#include

int main()

{float a,b,c;

char op;

scanf("%f%c%f",&a,&op,&b);

switch(op)

{case'+':c=a+b;break;

case'-':c=a-b;break;

case'*':c=a*b;break;

case'/':c=a/b;break;

default:printf("error");

break;

}

printf("result=%.2f",c);

}

1024

#include

void main()

{long i,n=1,a;

scanf("%ld",&a);

for(i=1;i<=a;i++)n=n*i;

printf("%ld\n",n);

}

1025

#include

void main()

{long n,sum=0,i,t=1;

scanf("%ld",&n);

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

{sum=sum+t;

t=t+2;

}

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

}

1026

#include

void main()

{char c;

int s=0,a;

while((c=getchar())!='\n') {if(c>='0'&&c<='9')

{a=c-48;

s=s+a;

}

}

printf("%d",s);

}

1028

#include

#include

main()

{int m,k,i;

for(m=2;m<=200;m++) {k=sqrt(m);

for(i=2;i<=k;i++)

if(m%i==0)break;

if(i>k)printf("%d\n",m); }

}

1029

#include

void main()

{long r,m,n;

scanf("%ld,%ld",&m,&n); while(m!=0)

{r=n%m;

n=m;

m=r;

}

printf("%ld\n",n);

}

1030

#include

void main()

{char c;

while((c=getchar())!='\n')

{if(c>='A'&&c<='Z')

c=c+32;

putchar(c);

}

}

1031

#include

void main()

{int i,num=0,word=0;

char c;

for(i=0;(c=getchar())!='\n';i++)

if(c==' ')word=0;

else if(word==0)

{word=1;

num++;

}

printf("%d",num);

}

1035

#include"stdio.h"

#include"math.h"

void main()

{int n,i,j,k;

scanf("%d",&n);

for(i=1;i<=2*n+1;i++)

{k=abs(n+1-i);

for(j=1;j<=k;j++)printf("");

for(j=1;j<=2*n+1-2*k;j++)printf("*"); printf("\n");

}

}

1037

#include

main()

{int i,t,n;

float a=2,b=1,s=0;

scanf("%d",&n);

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

{s=s+a/b;

t=a;a=a+b;b=t;

}

printf("%.4f\n",s);

}

1038

#include

#include

main()

{int n,i,j,k,h;

scanf("%d",&n);

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

{for(j=0;j

printf(" ");

for(k=1;k<=n-abs(i);k++)printf("%d",k); for(h=n-abs(i)-1;h>=1;h--)printf("%d",h); printf("\n");

}

}

1039

#include

main()

{int a[10];

int i;

for(i=0;i<10;i++)scanf("%d",&a[i]);

for(i=9;i>=0;i--)printf("%d\n",a[i]);

}

1040

#include"stdio.h"

main()

{int a[20];

int i,t,p=0;

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

{scanf("%d",&a[i]);

for(t=0;t

if(a[t]==a[i])break;

if(t==i)

p++;

}

printf("%d",p);

}

1042

#include

#include

void main()

{int m,i;

scanf("%d",&m);

for(i=1;i<=38;i++)

if(0.01*(pow(2,i-1)-1)-i*m>=0)break; printf("%d",i-1);

}

1044

#include"stdio.h"

main()

{int i,t,min;

scanf("%d",&min);

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

{

scanf("%d",&t);

if(t

}

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

}

1046

#include"stdio.h"

#include"string.h"

main()

{int a[100]={0},b[100]={0},c[100]={0}; char s[101];

int i=0,n1=0,n2=0,max=0,e=0;

gets(s);

n1=strlen(s);

for(i=n1-1;i>=0;i--)a[n1-1-i]=s[i]-'0'; gets(s);

n2=strlen(s);

for(i=n2-1;i>=0;i--)b[n2-1-i]=s[i]-'0';

if(n1>n2)max=n1;

else max=n2;

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

{c[i]=(a[i]+b[i]+e)%10;

e=(a[i]+b[i]+e)/10;

}

if(c[max]>0)printf("%d",c[max]); for(i=max-1;i>=0;i--)

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

}

1047

#include

main()

{int a[10];

int i,j,t;

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

scanf("%d",&a[i]);

for(i=0;i<9;i++)

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

if(a[j]>a[j+1])

{t=a[j];a[j]=a[j+1];a[j+1]=t;}

}

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

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

}

1050

#include"stdio.h"

main()

{int i,j;

char a[80],b[80];

gets(a);gets(b);

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

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

if(a[i+j]!=b[j])break;

if(b[j]=='\0')break;

}

if(a[i]!='\0')printf("%d",i+1); else printf("Not Found");

}

1051

#include

main()

{int i,j,k,a[3][4],max,maxj,flag; for(i=0;i<3;i++)

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

scanf("%d",&a[i][j]);

for(i=0;i<3;i++)

{max=a[i][0];

maxj=0;

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

if(a[i][j]>max)

{max=a[i][j];maxj=j;}

flag=1;

for(k=0;k<3;k++)

if(max>a[k][maxj])

{flag=0;break;}

if(flag)

{printf("%d",max);break;}

}

if(!flag)

printf("NO");

}

1059

#include"stdio.h"

int f(int m,int n)

{

int r;

while((r=m%n)!=0)

{

m=n;

n=r;

}

return n;

}

main()

{

int a,b,n;

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

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

}

1062

#include

void main()

{int a[3][4],b[4][3],i,j; for(i=0;i<3;i++)

for(j=0;j<4;j++) {scanf("%d",&a[i][j]); b[j][i]=a[i][j];

}

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

{for(j=0;j<3;j++) printf("%d",b[i][j]); printf("\n");

}

}

1065

#include"stdio.h" main()

{printf("19\n");

printf("2016\n");

printf("2000\n");

printf("2016\n");

printf("2004\n");

printf("2016\n");

printf("2036\n");

printf("2020\n");

printf("21");

}

1083

long fanc(int a) {long i,n=1;

for(i=1;i<=a;i++)n=n*i; return n;

}

void main()

{int n;

scanf("%d",&n);

printf("%ld",fanc(n)); }

1084

#include"stdio.h"

void fun(int i)

{if(i>1)

fun(i/2);

printf("%d",i%2);

}

main()

{int n;

scanf("%d",&n);

fun(n);

}

1091

#include"stdio.h"

void swap(int*p1,int*p2)

{int temp;

temp=*p1;

*p1=*p2;

*p2=temp;

}

int main()

{int a,b;int*pa,*pb;

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

pa=&a;pb=&b;

if(a

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

}

1092

#include"stdio.h"

#include"string.h"

int f(char*p)

{return strlen(p);

}

int main()

{char s[80];

int i;

scanf("%s",s);

i=f(s);

printf("%d",i);

}

1117

#include"stdio.h"

void main()

{

int a,b;/*定义整型变量a和b*/ int i,j;/*定义实型变量i和j*/

b=6;

i=3.14;j=i*a*b;

printf("a=%d,b=%d,i=%f,j=%f\n",a,b,i,j); }

1118

#include "stdio.h"

void main()

{ float a;

int b, c;

char d, e;

a=3.5;

b=a;

c=330;

d=c;

e='\\';

printf("%f,%d,%d,%c,%c", a,b,c,d,e);

}

1119

#include"stdio.h"

void main()

{int a,b,c;

float d=15,e,f;

a=35%7;

b=15/10;

c=b++;

e=15/10;

f=d/10;

printf("%d,%d,%d,%f,%f,%f",a,b,c,d,e,f); }

1120

#include"stdio.h"

#include"math.h"

void main()

{float a,b;

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

if(fabs(a*a+b*b-1)<1e-3)

printf("Y\n");

else printf("N\n");}

}

#include"string.h"

void main()

{char s[80];/*定义字符数组s*/ strcpy(s,"abcdefghijklmn");

printf("%s",s);

}

1122

#include"stdio.h"

#include"string.h"

main()

{

char s[100]="";

char a[30];

gets(a);strcat(s,a);

gets(a);strcat(s,a);

gets(a);strcat(s,a);

/*可以写多行代码*/

printf("%s",s);

}

1123

#include"stdio.h"

void main()

{

char s[50];

printf("What's your name?");

gets(s);/*由键盘读入字符串*/ printf("Your name is",);

printf("%s",s);/*打印字符串*/

}

1124

int f1(int x)

{static int z=3,y=0;

y++;

z++;

return(x+y+z);

}

main()

{int a=1,k;

for(k=0;k<3;k++)printf("%4d",f1(a)); }

/*定义结构体类型*/

struct student

{char name[20];

char sex;

int num;

float score;

}

main()

{

struct student stu;

scanf("%s",https://www.360docs.net/doc/368409872.html,);

scanf("%*c%c",&stu.sex);

scanf("%d",&stu.num);

scanf("%f",&stu.score);

printf("%s\n",https://www.360docs.net/doc/368409872.html,);

printf("%c\n",stu.sex);

printf("%d\n",stu.num);

printf("%f\n",stu.score);

}

1126

#include "stdio.h"

void main()

{ char ch;

ch = getchar();

putchar(ch);

}

1127

#include "stdio.h"

void main()

{int a,b;

scanf("%d%*c%d",&a,&b); printf("%d", a+b);

}

1145

/*

判断一个数是否是回文数；*/

#include

int main(void)

{

int val;

int m,sum=0;

printf("请输入数字:");

scanf("%d",&val);

m=val;

while(m)

{

sum=sum*10+m%10;

m/=10;

}

if(val==sum)

printf("Y\n");

else

printf("N\n");

return 0;

}

6567

#include "stdio.h"

main()

{

printf("The first C Program\n"); }

6568

#include

main()

{

printf("C:\\ABC.TXT");

}

11126

#include

int max(int x,int y)

{

if(x>y)return x;

else return y;

}

int main()

{

int a,b;

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

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

}

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