Submission #578975

#	Time	Username	Problem	Language	Result	Execution time	Memory
578975		web	Palindromic Partitions (CEOI17_palindromic)	C++17	100 / 100	1611 ms	11392 KiB

palindromic

#include <iostream>
#include <vector>
#include <string>
using namespace std;

bool equalStr(string& s, int p1, int p2, int ctr)
{
    if(s[p1] != s[p2] || s[p1+ctr] != s[p2+ctr] )
        return false;
    return !s.compare(p1, ctr+1, s, p2, ctr+1);
}
int main()
{
    int t; cin>>t;

    while(t--)
    {
        string s; cin>>s;
        int ptr1 = 0, ptr2= s.length() -1;
        long long res = 0;
        int ctr = 0;
        while(ptr1 <= ptr2)
        {
            
            if(s[ptr1] == s[ptr2])
            {
                if(equalStr(s, ptr1, ptr2, ctr))
                {
                    res++;
                    if(ptr1 != ptr2)
                        res++;
                    ptr1 += ctr+1;
                    ptr2--;
                    ctr =0;
                }
                else
                {
                    ptr2--;
                    ctr++;
                }
            }
            else
            {
                ptr2--;
                ctr++;
            }
        }   
        cout<<res<<endl;    
    }

    return 0;
}

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