Submission #1103894

#	Time	Username	Problem	Language	Result	Execution time	Memory
1103894		ezzzay	Palindromic Partitions (CEOI17_palindromic)	C++14	100 / 100	173 ms	3296 KiB

palindromic

#include<bits/stdc++.h>
using namespace std;
#define int long long
#define ff first
#define ss second
#define pb push_back
vector<int>ans;
const int mod=1e9+5;
const int modd=31;
void fun(){
    string s;
    cin>>s;
    int n=s.size();
    int a=0,b=0;
    int x=-1;
    int p=0;
    int mlt=1;
    for(int i=0;i<n/2;i++){
        a=(a*modd+s[i])%mod;
        b=(s[n-i-1]*mlt+b)%mod;
        mlt=(mlt*modd)%mod;
       
        if(a==b){
            x=i;
            a=0,b=0;
            p+=2;
            mlt=1;
        }
    }
    if(n%2 or x<n/2-1)p++;
    ans.pb(p);
}
signed main(){
    int t;
    cin>>t;
    while(t--)fun();
    for(auto a:ans)cout<<a<<endl;
}

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