oj.uz

Submission #967414

# Submission time Handle Problem Language Result Execution time Memory
967414 2024-04-22T05:14:45 Z Halym2007 Palindromes (APIO14_palindrome) C++17
0 / 100
 2 ms 348 KB 
#include <bits/stdc++.h>
using namespace std;
#define ll long long
#define sz size()
#define ff first
#define ss second
const int N = 1e5 + 5;
map <string, int> m;
string s;
int n, jog;
int main () {
	freopen ("polindrome.in", "r", stdin);
	freopen ("polindrome.out", "w", stdout);
//	freopen ("input.txt", "r", stdin);
	ios::sync_with_stdio(0);cin.tie(0);cout.tie(0);
	cin >> s;
	int n = (int)s.sz;
	string t;
	s = " " + s;
	for (int i = 1; i <= n; ++i) {
		t = "";
		for (int j = i; j <= n; ++j) {
			t += s[j];
			bool tr = 0;
			for (int k = 0; k < (int)t.sz / 2; ++k) {
				if (t[i] != t[(int)t.sz - i - 1]) {
					tr = 1;
					break;
				}
			}
			if (!tr) {
				m[t]++;
			}
		}
	}
	for (auto i : m) {
		int x = (int)i.ff.size();
		x *= m[i.ff];
		jog = max (jog, x);
	}
	cout << jog;
}

Compilation message

palindrome.cpp: In function 'int main()':
palindrome.cpp:12:10: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   12 |  freopen ("polindrome.in", "r", stdin);
      |  ~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
palindrome.cpp:13:10: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   13 |  freopen ("polindrome.out", "w", stdout);
      |  ~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

Subtask #1
0 / 8.0

# Verdict Execution time Memory Grader output
1 Incorrect 2 ms 348 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #2
0 / 15.0

# Verdict Execution time Memory Grader output
1 Incorrect 2 ms 348 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #3
0 / 24.0

# Verdict Execution time Memory Grader output
1 Incorrect 2 ms 348 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #4
0 / 26.0

# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 348 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #5
0 / 27.0

# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 348 KB Output isn't correct
2 Halted 0 ms 0 KB -