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답안 #305407

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
305407 2020-09-23T02:57:43 Z FlashGamezzz Rima (COCI17_rima) C++17
140 / 140
 306 ms 65724 KB 
#include <iostream>
#include <cstdlib>
#include <cstdio>
#include <fstream>
#include <algorithm>
#include <string>
#include <utility>
#include <vector>
#include <queue>

using namespace std;

bool endw[3000000] = {};
int lets[3000000][26] = {}, dp[3000000] = {}, sz = 1, ans = 0;
string s;

void add(int c, int i){
	if (i == s.length()){
		endw[c] = true; return;
	}
	int l = int(s[s.length()-i-1])-97;
	if (lets[c][l] == 0){
		lets[c][l] = sz; sz++;
	}
	add(lets[c][l], i+1);
}
void solve(int c){
	vector<int> vals;
	for (int i = 0; i < 26; i++){
		if (lets[c][i] > 0){
			solve(lets[c][i]);
			if (endw[lets[c][i]]){
				dp[c]++;
				vals.push_back(dp[lets[c][i]]);
			}
		}
	}
	sort(vals.begin(), vals.end());
	if (vals.size() >= 1){
		dp[c] += vals[vals.size()-1];
	}
	int t = dp[c];
	if (endw[c]){
		t++;
	}
	if (vals.size() >= 2){
		t += vals[vals.size()-2];
	}
	ans = max(ans, t);
}

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

Compilation message

rima.cpp: In function 'void add(int, int)':
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
140.0 / 140.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 384 KB Output is correct
2 Correct 0 ms 384 KB Output is correct
3 Correct 0 ms 384 KB Output is correct
4 Correct 306 ms 65724 KB Output is correct
5 Correct 17 ms 768 KB Output is correct
6 Correct 59 ms 55052 KB Output is correct
7 Correct 56 ms 54936 KB Output is correct
8 Correct 57 ms 55000 KB Output is correct
9 Correct 80 ms 56404 KB Output is correct
10 Correct 60 ms 55036 KB Output is correct