Submission #303989

#	Time	Username	Problem	Language	Result	Execution time	Memory
303989		FlashGamezzz	Rima (COCI17_rima)	C++17	42 / 140	1094 ms	262148 KiB

rima

#include <iostream>
#include <cstdlib>
#include <cstdio>
#include <fstream>
#include <algorithm>
#include <string>
#include <utility>
#include <vector>
#include <queue>

using namespace std;

vector<int> lets[3000000];
bool endb[3000000] = {};
int dp[3000000] = {}, sz = 0, ans = 0;

void add(int c, int i, string s){
	if (i == s.length()){
		endb[c] = true; return;
	}
	int l = int(s[s.length()-i-1])-97;
	if (lets[c][l] == 0){
		lets[sz].resize(26, 0);
		lets[c][l] = sz; sz++;
	}
	add(lets[c][l], i+1, s);
}

void solve(int c){
	int t = 0;
	for (int i = 0; i < 26; i++){
		if (lets[c][i] != 0){
			solve(lets[c][i]);
			t += dp[lets[c][i]];
		}
	}
	if (endb[c]){
		t++; dp[c] = t;
	}
  	if (c > 0){
      	ans = max(ans, t);
    }
}

int main(){
	ios_base::sync_with_stdio(false); cin.tie(NULL);
	int n; cin >> n;
	lets[sz].resize(26, 0); sz++;
	for (int i = 0; i < n; i++){
		string s; cin >> s;
		add(0, 0, s);
	}
	solve(0);
	cout << ans << endl;
}

Compilation message (stderr)

rima.cpp: In function 'void add(int, int, std::string)':
rima.cpp:18:8: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   18 |  if (i == s.length()){
      |      ~~^~~~~~~~~~~~~

• Subtask 1: 42 / 140