Submission #309864

#	Time	Username	Problem	Language	Result	Execution time	Memory
309864		peuch	Palindromic Partitions (CEOI17_palindromic)	C++17	60 / 100	709 ms	131076 KiB

palindromic

#include<bits/stdc++.h>
using namespace std;

const int MAXN = 1e6 + 10;

int t;
int n;
string st1;
int cnt;

map<string, int> marc;

int main(){
	scanf("%d", &t);
	while(t--){
		cin >> st1;
		n = st1.size();
		string aux1 = "";
		string aux2 = "";
		int ans = 0;
		for(int i = 0; i < n / 2; i++){
			aux1 += st1[i];
			aux2 = st1[n - i - 1] + aux2;
			if(marc[aux1] == 0) marc[aux1] = ++cnt;
			if(marc[aux2] == 0) marc[aux2] = ++cnt;
			if(marc[aux1] == marc[aux2]) {
				ans += 2;
				aux1 = "";
				aux2 = "";
			}
		}
		if(n % 2 == 1) ans++;
		else if(aux1.size() != 0) ans++;
		printf("%d\n", ans);
	}
}

Compilation message (stderr)

palindromic.cpp: In function 'int main()':
palindromic.cpp:14:7: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   14 |  scanf("%d", &t);
      |  ~~~~~^~~~~~~~~~

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