제출 #100189

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
100189		pamaj	Rima (COCI17_rima)	C++14	컴파일 에러	0 ms	0 KiB

rima

#include <bits/stdc++.h>
using namespace std;
 
const int maxn = 5e5 + 10;
 
int dp[maxn], n;
vector<string> s;
 
bool rhyme(const string& a, const string& b)
{
	int u = (int)a.size() - 1, v = (int)b.size() - 1;
 
	int cont = 0;
	while(a[u] == b[v] and u >= 0 and v >= 0)
	{
		cont++, u--, v--;
	}
 
	if(cont >= max((int)a.size(), (int)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;
 
	if(i == j)
	{
		caso1 = solve(i + 1, i + 1);
	}
	else 
		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);
	}
 
 
	ans = 0;

	sort(a.begin(), a.end());

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

		ans = max(ans, solve(0, 0));
	} next_permutation(a.begin(), a.end());
}

컴파일 시 표준 에러 (stderr) 메시지

rima.cpp: In function 'int main()':
rima.cpp:65:2: error: 'ans' was not declared in this scope
  ans = 0;
  ^~~
rima.cpp:65:2: note: suggested alternative: 'abs'
  ans = 0;
  ^~~
  abs
rima.cpp:67:7: error: 'a' was not declared in this scope
  sort(a.begin(), a.end());
       ^
rima.cpp:74:4: error: expected 'while' before 'next_permutation'
  } next_permutation(a.begin(), a.end());
    ^~~~~~~~~~~~~~~~
rima.cpp:74:4: error: expected '(' before 'next_permutation'
rima.cpp:74:40: error: expected ')' before ';' token
  } next_permutation(a.begin(), a.end());
                                        ^