1
 2
 3
 4
 5
 6
 7
 8
 9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
#include <bits/stdc++.h>
#define int long long
using namespace std;
int n,h1,h2,pot,wyk,v,pot1,h3,h4;
char c;
const int mod=1000003871;
const int k=29;
const int mod1=1000053491;
const int k1=31;
inline void f(int &x)
{
    register char c=0;
    x=0;
    while(c<33)c=getchar_unlocked();
    do{
        x=(x<<1)+(x<<3)+c-'0';
        c=getchar_unlocked();
    }
    while(c>33);
}
main()
{
    f(n);
    pot=1;
    pot1=1;
    c=getchar_unlocked();
    while(c>='a'&&c<='z')
    {
        v=c-'a'+1;
        c=getchar_unlocked();
        h1*=k;
        h1+=v;
        h1%=mod;
        h2+=pot*v;
        h2%=mod;
        pot*=k;
        pot%=mod;
        h3*=k1;
        h3+=v;
        h3%=mod1;
        h4+=pot1*v;
        h4%=mod1;
        pot1*=k1;
        pot1%=mod1;
        if(c<'a'||c>'z')break;
    }
    if(h1==h2&&h3==h4)cout<<"TAK";
    else cout<<"NIE";
}