C程序设计教程与实验吉顺如陶恂实验答案.docx

Sy7-1#include#includevoid sub(char s,char t)int i,d;d=strlen(s);for(i=0;id;i+)ti=sd-1-i;for(i=0;id;i+)td+i=si;t2*d=0;main()char s100,t100;printf(Please enter string s: );scanf(%s,s);sub(s,t);printf(n The result is :%s n ,t);Sy7-2#include#include#define ARR_SIZE 80void Inverse(char str);main() char aARR_SIZE;printf(please enter a string :);gets(a);Inverse(a);printf(The inversed string is:);puts(a);void Inverse(char str)int len,i=0,j; char temp;len=strlen(str);for(j=len-1;ij;i+,j-)temp=stri;stri=strj;strj=temp;Sy7-3#includeint fun(int n)static int p=1;p=p*n;return p;void main()int n,i;int f=1;printf (input member: );scanf(%d,&n);for(i=1;i=n;i+)f=fun(i);printf(%d!=%dn,n,f);Sy7-4#includeint sum(int x ,int n)int i,s=0;for (i=0;i=n;i+)s=s+xi-1;return s;void main()int i,i1,i2,result ;int x10;for(i=0;i10;i+)scanf(%d,&xi);scanf(%d%d,&i1,&i2);result=sum(x+i1,i2-i1);printf(sum=%dn,result);Sy7-5#include#include#define MAX 100void Insert(char s);main()char stringMAX;scanf(%s,string);Insert(string);printf(%sn,string);void Insert(char srcStr)char strTempMAX;int i=0,j=0;strcpy(strTemp ,srcStr);while(srcStri!=0)srcStri=strTempj;i+;j+;srcStri= ;i+;srcStri=0;Sy7-6#includevoid a (int i)int j,k;for(j=1;j=30-i;j+) printf(%c, );for(k=1;k=2*i-1;k+) printf(%d,i);printf(n);void main()int i;for(i=1;i=1;i-) a(i);Sy7-7#includevoid a(int s,int n)int i,t,max=0,min=0;for(i=0;in;i+)if(smaxsi) min=i;t=smax; smax=smin;smin=t;for(i=0;in;i+)printf(%dn,si);void main()int i; int s10;for(i=0;i10;i+)scanf(%d,&si);a(s,10);Sy7-8#include#includeint function(char a)int i;int l=strlen(a);for(i=0;il/2;i+)if(ai!=al-i-1)return 0;else return 1;void main()char s100;int count=0,i;for(i=1;i=5;i+)printf(请输入第%d个字符,i);scanf(%s,s);if(function(s)printf(%s是回文n,s);count+;else printf(%s不是回文n,s);printf(有%d个回文n,count);sy7-9#include#includevoid trans(char x,int n)int r,i=0;while(n0)r=n%2;xi=r+48;n=n/2;i+;xi=0;vo