Submission #318056

#	Time	Username	Problem	Language	Result	Execution time	Memory
318056		soroush	Palindromic Partitions (CEOI17_palindromic)	C++14	0 / 100	1 ms	364 KiB

palindromic

/*
#pragma GCC optimize("O2")
#pragma GCC optimize("unroll-loops")
#pragma GCC target("avx,avx2,sse,sse2,fma,tune=native")
//*/
#include <bits/stdc++.h>

using namespace std;

typedef long long ll;
typedef long double ld;
typedef pair<int  ,int > pii;

mt19937 rng(chrono::steady_clock::now().time_since_epoch().count());

const ll maxn  = 3e6;
const ll mod =1e9+7;
const ld PI = acos((ld)-1);

#define pb push_back
#define endl '\n'
#define dokme(x) cout << x , exit(0)
#define migmig ios::sync_with_stdio(false),cin.tie(0),cout.tie(0)
#define ms(x , y) memset(x , y , sizeof x)
ll pw(ll a, ll b, ll md = mod){ll res = 1;while(b){if(b&1){res=(a*res)%md;}a=(a*a)%md;b>>=1;}return(res);}

string s;
int q;

vector < int > kmp(string s){
	int n = s.size();
    vector < int > f(n);
    for(int i = 1; i < n ; i ++){
		int j = f[i-1];
		while(j and s[i]!=s[j])
			j = f[j-1];
		j+=(s[i]==s[j]) , f[i] = j;
	}
    return(f);
}

int solve(string s){
	vector < int > f = kmp(s);
	int n = s.size();
	if(n==0)return(0);
	if(f[n-1] == 0)return(1);
	string res = "";
	for(int i = f[n-1] ; i < n-f[n-1] ; i ++){
		res+=s[i];
	}
	return(2 + solve(res));
}

int32_t main(){
    migmig;
	cin >> q;
	while(q -- ){
		cin >> s;
		cout << solve(s) << endl;
	}
    return(0);
}

• Subtask 1: 0 / 15
• Subtask 2: 0 / 20
• Subtask 3: 0 / 25
• Subtask 4: 0 / 40