Submission #1135349

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
1135349	2025-01-12 13:15:01	qrn	Palindromic Partitions (CEOI17_palindromic)	C++20	60 / 100	5 ms	6116 KiB

palindromic

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#include <bits/stdc++.h>
using namespace std;
#define SPEED                     \
    ios_base::sync_with_stdio(0); \
    cin.tie(NULL);                \
    cout.tie(NULL);
 
#define pb push_back
#define ins insert
 
#define ALL(x) x.begin(), x.end()
#define sz(x) x.size()
#define intt long long
// #define endl "\n"
 
const intt mod = 1e9 + 7;
const intt base = 47;
const intt inf = 1e9;
const intt mxN = 3e5 + 5;
const intt maxA = 1e5 + 5;
const intt L = 23;
vector<intt> pw(mxN), hsh(mxN);
bool check(intt sol, intt sag, intt len) {
    intt h1 = (hsh[sol + len - 1] - hsh[sol - 1] + mod) % mod;
    intt h2 = (hsh[sag + len - 1] - hsh[sag - 1] + mod) % mod;
    return ((h1 * pw[sag - sol]) % mod == h2);
}
 
 
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• Subtask 1: 15 / 15
• Subtask 2: 20 / 20
• Subtask 3: 25 / 25
• Subtask 4: 0 / 40