Submission #100173

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
100173	2019-03-09T18:22:16 Z	pamaj	Rima (COCI17_rima)	C++14	14 / 140	105 ms	41536 KB

rima

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

const int maxn = 5e5;

int dp[maxn], n;
vector<string> s;

bool rhyme(const string& a, const string& b)
{
	int u = a.size() - 1, v = b.size() - 1;

	int cont = 0;
	while(a[u] == b[v] and u >= 0 and v >= 0)
	{
		cont++, u--, v--;
	}

	if(cont >= max(a.size(), b.size()) - 1) return true;
	return false;
}

int solve(int i, int j)
{

	if(dp[i] != -1) return dp[i];

	if(i == n) return 0;

	int caso1 = solve(i + 1, j);
	int caso2;

	if(rhyme(s[i],s[j]))
	{
		caso2 = solve(i + 1, i) + 1;
	}
	else 
		caso2 = 0;


	return dp[i] = max(caso1, caso2);
}

int main()
{
	ios::sync_with_stdio(false), cin.tie(nullptr);

	cin >> n;

	for(int i = 0; i < n; i++)
	{
		string a;
		cin >> a;
		s.push_back(a);
	}

	memset(dp, -1, sizeof(dp));

	cout << solve(0, 0) << "\n";
}

Compilation message

rima.cpp: In function 'bool rhyme(const string&, const string&)':
rima.cpp:19:10: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
  if(cont >= max(a.size(), b.size()) - 1) return true;
     ~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

Subtask #1

14.0 / 140.0

#	Verdict	Execution time	Memory	Grader output
1	Incorrect	4 ms	2304 KB	Output isn't correct
2	Correct	3 ms	2304 KB	Output is correct
3	Incorrect	4 ms	2304 KB	Output isn't correct
4	Incorrect	105 ms	41536 KB	Output isn't correct
5	Incorrect	14 ms	5376 KB	Output isn't correct
6	Incorrect	6 ms	3056 KB	Output isn't correct
7	Incorrect	6 ms	2936 KB	Output isn't correct
8	Incorrect	5 ms	2872 KB	Output isn't correct
9	Incorrect	20 ms	6736 KB	Output isn't correct
10	Incorrect	6 ms	3036 KB	Output isn't correct