Submission #1087756

#	Time	Username	Problem	Language	Result	Execution time	Memory
1087756		shidou26	Vlak (COCI20_vlak)	C++14	0 / 70	46 ms	69396 KiB

Main

#include <bits/stdc++.h>
using namespace std;

#define endl '\n'
#define all(v) v.begin(), v.end()

typedef long long ll;
typedef pair<int, int> ii;
typedef pair<ll, int> li;

const int N = 2e5 + 3;

struct node {
    int num_child;
    node* children[26];
};

int n, m;
string a[N], b[N];

node *one = new node();
node *two = new node();

void prepare() {

}

void input() {
    cin >> n;

    for(int i = 1; i <= n; i++) {
        cin >> a[i];
    }

    cin >> m;

    for(int i = 1; i <= m; i++) {
        cin >> b[i];
    }
}

void insert(int type, string s) {
    node *current = (type == 0 ? one : two);
    for(int i = 0; i < (int)s.size(); i++) {
        int ch = (s[i] - 'a');
        if(current -> children[ch] == nullptr) {
            current -> children[ch] = new node();
            current -> num_child++;
        }
        current = current -> children[ch];
    }
}

void process() {
    for(int i = 1; i <= n; i++) insert(0, a[i]);
    for(int i = 1; i <= m; i++) insert(1, b[i]);

    node *current_one = one;
    node *current_two = two;
    for(int turn = 1; true; turn++) {
        if(turn & 1) {
            int diff = 0, ch = 0;
            for(int i = 0; i < 26; i++) {
                if(current_one -> children[i] != nullptr && current_two -> children[i] == nullptr) {
                    cout << "Nina" << endl;
                    return;
                }
                if(current_one -> children[i] == nullptr) continue;
                int gap = current_one -> children[i] -> num_child - current_two -> children[i] -> num_child;
                if(diff < gap) {
                    diff = gap;
                    ch = i;
                }
            }
            current_one = current_one -> children[ch];
        }else {
            int diff = 0, ch = 0;
            for(int i = 0; i < 26; i++) {
                if(current_two -> children[i] != nullptr && current_one -> children[i] == nullptr) {
                    cout << "Emilija" << endl;
                    return;
                }
                if(current_two -> children[i] == nullptr) continue;
                int gap = current_two -> children[i] -> num_child - current_one -> children[i] -> num_child;
                if(diff < gap) {
                    diff = gap;
                    ch = i;
                }
            }
            current_two = current_two -> children[ch];
        }
    }
}

int main() {
    ios_base::sync_with_stdio(0);
    cin.tie(0);

    #define task "kurumi"
    if(fopen(task".INP", "r")) {
        freopen(task".INP", "r", stdin);
        freopen(task".OUT", "w", stdout);
    }

    prepare();

    int testcase = 1; // cin >> testcase;
    for(int i = 1; i <= testcase; i++) {
        input();
        process();
    }

    return 0;
}

Compilation message (stderr)

Main.cpp: In function 'int main()':
Main.cpp:101:16: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
  101 |         freopen(task".INP", "r", stdin);
      |         ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~
Main.cpp:102:16: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
  102 |         freopen(task".OUT", "w", stdout);
      |         ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~

• Subtask 1: 0 / 10
• Subtask 2: 0 / 10
• Subtask 3: 0 / 10
• Subtask 4: 0 / 10
• Subtask 5: 0 / 10
• Subtask 6: 0 / 10
• Subtask 7: 0 / 10