This submission is migrated from previous version of oj.uz, which used different machine for grading. This submission may have different result if resubmitted.
#include <bits/stdc++.h>
#define ll long long
#define ld long double
#define mp make_pair
#define pb push_back
#define vll vector<ll>
#define endl "\n"
#define pll pair<ll,ll>
#define all(x) (x).begin() , (x).end()
#define f first
#define s second
using namespace std;
const ll N =(2e5+5);
const ll MOD = 998244353;
const ll INF = 1e16;
const ll LOG = 29;
long long binpow(long long a, long long b) {
a %= MOD;
long long res = 1;
while (b > 0) {
if (b & 1)
res = (res * a)%MOD ;
a = (a * a)%MOD ;
b >>= 1;
}
res%=MOD;
return res;
}
ll pp[1000005];
void solve(){
string s;
cin>>s;
ll n = (ll)s.size();
//cout<<n<<endl;
ll l= 0,r= n -1;
ll a=0;
ll b=0;
ll ans = 0;
ll x=-1,y=n;
ll lol = 0,gg=n-1;
while(l < r){
a = a * LOG + (s[l]-'a'+1);
b += pp[gg-r] * (s[r] - 'a' + 1);
if(b == a){
ans += 2;
a=0;
b=0;
x = l,y =r;
lol = l,gg = r;
}
l++,r--;
}
if((x+1)<=(y-1))
ans++;
cout<<ans<<endl;
}
int main()
{
ios_base::sync_with_stdio(0);
cin.tie(NULL);
pp[0] = 1;
for(int i =1;i<=1000000;i++)pp[i] = (pp[i-1] * LOG);
ll t;cin>>t;
while(t--){
solve();
}
return 0;
}
Compilation message (stderr)
palindromic.cpp: In function 'void solve()':
palindromic.cpp:43:8: warning: variable 'lol' set but not used [-Wunused-but-set-variable]
ll lol = 0,gg=n-1;
^~~
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