Submission #47999

#	Time	Username	Problem	Language	Result	Execution time	Memory
47999		E869120	Palindromes (APIO14_palindrome)	C++14	8 / 100	1102 ms	131072 KiB

palindrome

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

bool pal(string S) {
	string T = S; reverse(T.begin(), T.end());
	if (S == T) return true;
	return false;
}

string S; vector<string>A; map<string, int>M; int maxn = 0;

int main() {
	cin >> S;
	for (int i = 0; i < S.size(); i++) {
		for (int j = i; j < S.size(); j++) {
			string G = S.substr(i, j - i + 1); if (pal(G) == false) continue;
			A.push_back(G); M[G] += G.size();
		}
	}
	for (int i = 0; i < A.size(); i++) maxn = max(maxn, M[A[i]]);
	cout << maxn << endl;
	return 0;
}

Compilation message (stderr)

palindrome.cpp: In function 'int main()':
palindrome.cpp:18:20: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
  for (int i = 0; i < S.size(); i++) {
                  ~~^~~~~~~~~~
palindrome.cpp:19:21: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
   for (int j = i; j < S.size(); j++) {
                   ~~^~~~~~~~~~
palindrome.cpp:24:20: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
  for (int i = 0; i < A.size(); i++) maxn = max(maxn, M[A[i]]);
                  ~~^~~~~~~~~~

• Subtask 1: 8 / 8
• Subtask 2: 0 / 15
• Subtask 3: 0 / 24
• Subtask 4: 0 / 26
• Subtask 5: 0 / 27