Submission #243284

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
243284	2020-06-30 19:24:10	Lawliet	Palindromic Partitions (CEOI17_palindromic)	C++17	100 / 100	644 ms	17840 KiB

palindromic

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#include <bits/stdc++.h>
using namespace std;
typedef long long int lli;
const int MAXN = 1000010;
int prime = 31;
int mod = 1000000009;
int n;
lli pot[MAXN];
lli pHash[MAXN];
string s;
int getHash(int L, int R)
{
  lli ans = pHash[R + 1];
  ans -= pHash[L]*pot[R - L + 1];
  ans %= mod;
  if( ans < 0 ) ans += mod;
  return (int)ans;
}
int main()
{
 
 
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• Subtask 1: 15 / 15
• Subtask 2: 20 / 20
• Subtask 3: 25 / 25
• Subtask 4: 40 / 40