제출 #698509

#	제출 시각UTC-0	아이디	문제	언어	결과	실행 시간	메모리
698509	2023-02-13 16:30:51	dattranxxx	Palindromic Partitions (CEOI17_palindromic)	C++11	100 / 100	174 ms	44292 KiB

palindromic

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
#include<bits/stdc++.h>
using namespace std;
using ll = long long;
const int M = 1e9 + 696969;
struct Hash {
  int x; unsigned long long y;
  Hash(int x = 0): x(x), y(x) {}
  friend Hash operator + (Hash u, const Hash& v) {
    u.x += v.x; u.y += v.y;
    if (u.x >= M) u.x -= M;
    return u;
  }
  friend Hash operator - (Hash u, const Hash& v) {
    u.x -= v.x; u.y -= v.y;
    if (u.x < 0) u.x += M;
    return u;
  }
  friend Hash operator * (Hash u, const Hash& v) {
    u.x = 1LL * u.x * v.x % M;
    u.y = u.y * v.y;
    return u;
  }
  friend bool operator == (const Hash& u, const Hash& v) {
    return u.x == v.x && u.y == v.y;
  }
};
using ull = Hash;
 
 
הההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההה
XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX

• Subtask 1: 15 / 15
• Subtask 2: 20 / 20
• Subtask 3: 25 / 25
• Subtask 4: 40 / 40