제출 #561165

#	제출 시각UTC-0	아이디	문제	언어	결과	실행 시간	메모리
561165	2022-05-12 12:02:22	fatemetmhr	Palindromic Partitions (CEOI17_palindromic)	C++17	100 / 100	310 ms	28456 KiB

palindromic

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#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
#define pb      push_back
#define all(x)  x.begin(), x.end()
#define fi      first
#define se      second
const int maxn5 = 1e6 + 10;
ll base[2] = {31, 37};
ll mod[2]  = {1000000009, 1000000007};
int hass[2][maxn5], pw[2][maxn5];
inline bool is_eq(int l1, int r1, int l2, int r2){
    for(int j = 0; j < 2; j++){
        ll tmp1, tmp2;
        tmp1 = (mod[j] + hass[j][r1] - (l1 > 0 ? ll(hass[j][l1 - 1]) * pw[j][r1 - l1 + 1] % mod[j] : 0)) % mod[j];
        tmp2 = (mod[j] + hass[j][r2] - (l2 > 0 ? ll(hass[j][l2 - 1]) * pw[j][r2 - l2 + 1] % mod[j] : 0)) % mod[j];
        if(tmp1 != tmp2)
            return false;
    }
    return true;
}
int main(){
 
 
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• Subtask 1: 15 / 15
• Subtask 2: 20 / 20
• Subtask 3: 25 / 25
• Subtask 4: 40 / 40