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PALIN.cpp
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PALIN.cpp
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#include<iostream>
#include<string.h>
using namespace std;
int main()
{ long long int n,l,i;
int k,flag=0,flag1=0;
string a;
scanf("%lld",&l);
while(l--){
cin>>a;
n= a.size();
flag1=0;
flag=0;
for(i=0;i<n;i++)
{if(a[i]!='9')
{flag=1;
break;}}
if(flag==0)
{cout<<"1";
for(int i=0;i<n-1;i++)
cout<<"0";
cout<<"1"<<"\n";
}
else
{//cout<<"HELK\n";
if(n%2==0)
{for (i=(n-2)/2;i>=0;i--)
{
if(a[i]!=a[n-i-1])
{flag1=1;
break;}}
for (i=(n-2)/2;i>=0;i--)
{if(a[n-i-1]!=a[i])
{if(a[i]>a[n-i-1])
a[n-i-1]=a[i];
else if(a[i]<a[n-i-1])
{a[i]++;
a[n-i-1]=a[i];}}
if(flag1==0)
{if(a[(n-2)/2]!='9')
{a[(n-2)/2]++;
a[n-((n-2)/2)-1]++;}
else{a[(n-2)/2]=a[n-((n-2)/2)-1]='0';
k=1;
while(a[(n-2)/2-k]=='9')
{a[(n-2)/2-k]='0';
k++;}
a[(n-2)/2-k]++;}
flag1=1;}}
}
else
{
int flag2=0;
for (i=((n-1)/2)-1;i>=0;i--)
{if(a[i]!=a[n-i-1])
{flag2=1;
break;}}
if(flag2==0)
{if(a[((n-1)/2)-1]!='9')
a[((n-1)/2)]++;
else
{ cout<<"HI";
a[(n-1)/2]='0';
k=1;
while(a[(n-1)/2-k]=='9' && ((n-1)/2-k)>=0 )
{a[(n-1)/2-k]='0';
a[n -((n-1)/2-k)-1]='0';
k++;}
a[(n-1)/2-k]++;}
for(i=((n-1)/2)-1;i>=0;i--)
{if(a[n-i-1]<a[i])
a[n-i-1]=a[i];
else if (a[n-i-1]>a[i])
{ a[i]++;
a[n-i-1]=a[i];}}}
else{
// a[((n-1)/2)-1]='0';
for(i=((n-1)/2)-1;i>=0;i--)
{
if(a[n-i-1]<a[i])
a[n-i-1]=a[i];
else if (a[n-i-1]>a[i])
{ a[i]++;
a[n-i-1]=a[i];}}}}
for(int i=0;i<n;i++)
cout<<a[i];
cout<<"\n";
}
}
system("pause");
return 0;
}