oj.uz

답안 #373533

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
373533 2021-03-05T01:55:27 Z Scrubpai Vlak (COCI20_vlak) C++14
70 / 70
 294 ms 454636 KB 
#include <bits/stdc++.h>
using namespace std;

const int ABC = 28;
const int MAXN = 1000010;

struct Node {
  int state;
  Node *child[ABC];

  Node() {
    state = 0;
    for (int i=0; i<ABC; i++) child[i] = NULL;
  }
};

int cnt;
Node nodes[MAXN * 2];

Node *newNode() {
  return &nodes[cnt++];
}

struct Trie {
  Node *root;

  Trie() {
    root = newNode(); //points to the address of nodes[cnt]
  }

  void insert(Node *node, string &s, int pos, int mask) {
    if (pos == (int)s.size()) {
      return;
    }
    node->state |= mask;

    if (!node->child[s[pos] - 'a']) {
      node->child[s[pos] - 'a'] = newNode();
    }
    insert(node->child[s[pos] - 'a'], s, pos + 1, mask);
  }

  int solve(Node *node, int turn) {
    if (!(node->state & (1 << turn))) {
      return 0;
    }

    for (int i = 0; i < ABC; i++) {
      if (node->child[i] && !solve(node->child[i], turn ^ 1)) {
        return 1;
      }
    }
    return 0;
  }
};

Trie T;

const string ans[] = {"Emilija", "Nina"};

int main() {
  for (int i = 0; i < 2; i++) {
    int n;
    string s;
    cin >> n;
    for (int j = 0; j < n; j++) {
      cin >> s;
      T.insert(T.root, s, 0, (1 << i));
    }
  }

  cout << ans[T.solve(T.root, 0)] << endl;
  return 0;
}

Subtask #1
10.0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Correct 293 ms 454508 KB Output is correct
2 Correct 292 ms 454380 KB Output is correct
3 Correct 290 ms 454332 KB Output is correct
4 Correct 265 ms 454380 KB Output is correct

Subtask #2
10.0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Correct 276 ms 454396 KB Output is correct
2 Correct 281 ms 454380 KB Output is correct
3 Correct 263 ms 454380 KB Output is correct
4 Correct 292 ms 454384 KB Output is correct

Subtask #3
10.0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Correct 272 ms 454508 KB Output is correct
2 Correct 277 ms 454452 KB Output is correct
3 Correct 265 ms 454380 KB Output is correct
4 Correct 264 ms 454380 KB Output is correct

Subtask #4
10.0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Correct 275 ms 454380 KB Output is correct
2 Correct 266 ms 454384 KB Output is correct
3 Correct 265 ms 454380 KB Output is correct
4 Correct 265 ms 454528 KB Output is correct

Subtask #5
10.0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Correct 273 ms 454508 KB Output is correct
2 Correct 288 ms 454636 KB Output is correct
3 Correct 277 ms 454636 KB Output is correct
4 Correct 275 ms 454508 KB Output is correct

Subtask #6
10.0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Correct 277 ms 454508 KB Output is correct
2 Correct 280 ms 454636 KB Output is correct
3 Correct 294 ms 454508 KB Output is correct
4 Correct 272 ms 454636 KB Output is correct

Subtask #7
10.0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Correct 277 ms 454496 KB Output is correct
2 Correct 280 ms 454636 KB Output is correct
3 Correct 275 ms 454508 KB Output is correct
4 Correct 277 ms 454636 KB Output is correct