oj.uz

Submission #303985

# Submission time Handle Problem Language Result Execution time Memory
303985 2020-09-20T22:49:48 Z FlashGamezzz Rima (COCI17_rima) C++17
42 / 140
 1000 ms 262148 KB 
#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;
	}
	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

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
42.0 / 140.0

# Verdict Execution time Memory Grader output
1 Correct 46 ms 70912 KB Output is correct
2 Correct 46 ms 70904 KB Output is correct
3 Correct 46 ms 70904 KB Output is correct
4 Incorrect 503 ms 143736 KB Output isn't correct
5 Execution timed out 1098 ms 80024 KB Time limit exceeded
6 Runtime error 199 ms 262148 KB Execution killed with signal 9 (could be triggered by violating memory limits)
7 Runtime error 190 ms 262148 KB Execution killed with signal 9 (could be triggered by violating memory limits)
8 Runtime error 188 ms 262148 KB Execution killed with signal 9 (could be triggered by violating memory limits)
9 Runtime error 350 ms 262148 KB Execution killed with signal 9 (could be triggered by violating memory limits)
10 Runtime error 197 ms 262148 KB Execution killed with signal 9 (could be triggered by violating memory limits)