#include<stdio.h>
#include<string.h>
int main()
{
int i,l,j,p[2000],t;
char s[2000],t1,np[2000];
//t=t+1;
while(t--)
{
if(l%2==0)
j=l/2;
else
j=l/2+1;
for(i=0;s[j]!='\0';i++,j++)
{
t1=s[i];
s[i]=s[j];
s[j]=t1;
}
for(i=0;i<l;i++)
p[i]=s[i]-96;
j=0;
for(i=0;i<l*2;i=i+2)
{
np[i]=p[j]%10+48;
np[i+1]=(p[j]/10+1)+96;
j++;
}
np[l*2]='\0';
for(i=0;i<l*2;i++)
}
return 0;
}
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