Submission #1296239

#TimeUsernameProblemLanguageResultExecution timeMemory
1296239nikaa123Palindromic Partitions (CEOI17_palindromic)C++20
0 / 100
0 ms332 KiB
#include <bits/stdc++.h>
using namespace std;
 
#define int long long 
#define eb emplace_back
#define mp make_pair
#define pb push_back
#define pp pop_back
#define endl '\n'
#define ff first
#define ss second
#define stop exit(0)
#define sz(x) (int)x.size()
#define pause system("pause")
#define all(x) (x).begin(), (x).end()
#define deb(x) cout << #x << "-" << x << endl
mt19937 mt(time(nullptr)); 
 
typedef char chr;
typedef string str;
typedef long long ll;
typedef vector<int> vii;
typedef pair<int, int> pii;
 
const long long INF = LLONG_MAX;
const int inf = INT_MAX;
const int mod = 1000003;
const int MOD = 1000000007;
const int dx[] = {-1,0,1,0};
const int dy[] = {0,1,0,-1};
const double PI = 2 * acos(0.0);
 
const int N = 5e2+10;
const int P1 = MOD;
const int P2 = MOD+2;

int p[N];
int n;
string s;
int ans;

inline void test_case() {
    


    cin >> s;
    n = sz(s);
    s = " " + s;
    int l = 1; int r = n;
    int lh = 0;
    int rh = 0;
    int len = 0;
    ans = 0;
    while (l <= r) {
        if (l == r) {
            lh = 0;
            rh = 0;
            len = 0;
            ans++;
            break;
        }
        lh *= P1;
        lh %= P2;
        lh += s[l];

        rh += p[len]*s[r];
        rh %= P2;
        len++;
        // cout << l << " " << r << " " << len << " "<<lh << " " << rh << endl;
        if (lh == rh) {
            ans+=2;
            len = 0;
            lh = rh = 0;
        }
        r--;
        l++;
    }
    if (len) {
        ans++;
    }
    cout << ans << endl;

}
 
signed main() {
    ios::sync_with_stdio(false);
    cin.tie(nullptr);

    p[0] = 1;
    for (int i = 1; i <= N-5; i++) {
        p[i] = p[i-1]*P1;
    }

    int T = 1;
    cin >> T;
    while (T--) test_case();
    return 0;
}
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