#include <iostream>
#include <string>
using namespace std;
const int Max=100;
char *sreverse(char *s,int a,int b)
  {
 char e;
char c;
if(b>a)
  {
c=s[a];
e=s[b];
s[a]=e;
s[b]=c;
a++;
b--;
sreverse(s,a,b);
 }
return s;
 }
int main()
{ int i;
char *a=new char[Max];
char *p;
cin>>a;
cin>>i;
if(i==0) cout<<a<<endl;
else if(i<0){
i=-i;
sreverse(a,0,i-1);
sreverse(a,i,strlen(a)-1);
p=sreverse(a,0,strlen(a)-1);
cout <<p<<endl;
}
else { sreverse(a,strlen(a)-i,strlen(a)-1);
sreverse(a,0,strlen(a)-i-1);
p=sreverse(a,0,strlen(a)-1);
cout <<p<<endl;
}
return 0;
}
能不能进行优化啊，超时！！！
|