Submission #884700

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
884700	2023-12-08 06:31:28	theghostking	Palindromic Partitions (CEOI17_palindromic)	C++17	100 / 100	179 ms	30552 KiB

palindromic

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#include <bits/stdc++.h>
using namespace std;
#define int long long
const int P = 31;
const int M = 1e9+9;
 
vector<int> binpow;
vector<int> pref;
 
int gethash(int l, int r){
    int h = ((pref[r+1] - (binpow[r-l+1] * pref[l]))%M + M)%M;
    return h;
}
signed main(){
    ios::sync_with_stdio(0);
    cin.tie(0);
    int t;
    cin >> t;
    while (t--){
        string s;
        cin >> s;
        int n = s.size();
        binpow.clear();
        binpow.resize(n);
        binpow[0] = 1;
        for (int i = 1; i<n; i++){
            binpow[i] = (binpow[i-1]*P) % M;
 
 
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• Subtask 1: 15 / 15
• Subtask 2: 20 / 20
• Subtask 3: 25 / 25
• Subtask 4: 40 / 40