Submission #1004393

#	Time	Username	Problem	Language	Result	Execution time	Memory
1004393		NoLove	Vlak (COCI20_vlak)	C++14	70 / 70	13 ms	22004 KiB

Main

/**
 *    author : Lăng Trọng Đạt
 *    created: 21-06-2024 
**/
#include <bits/stdc++.h>
using namespace std;
#ifndef LANG_DAT
#define db(...) ;
#endif // LANG_DAT
#define int long long
#define mp make_pair
#define f first
#define se second
#define pb push_back
#define all(v) (v).begin(), (v).end()
using pii = pair<int, int>;
using vi = vector<int>;
#define FOR(i, a, b) for (int (i) = a; (i) <= (b); i++)
void mx(int& a, int b) { if (b > a) a = b; }
void mi(int& a, int b) { if (b < a) a = b; }
#define si(x) (int)(x.size())
const int INF = 1e18;
const int MOD = 1e9 + 7;

const int MAXN = 1e6 + 5;
bitset<MAXN> dp, nina, em;
int d[MAXN];
int nxt[MAXN][29];
int n, m, sz = 0;
string s, t;

void insert(string& s, bool Nina = true) {
    int v = 0;
    for (char c : s) {
        (Nina ? nina[v] = 1 : em[v] = 1);
        
        if (!nxt[v][c - 'a']) {
            nxt[v][c - 'a'] = ++sz;
            // db(c, sz)
        }
        d[nxt[v][c - 'a']] = d[v] + 1;
        v = nxt[v][c - 'a'];
    }
    (Nina ? nina[v] = 1 : em[v] = 1);
}

bool dfs(int v, int h) {
    // db(v, h, nina[v], em[v])
    bool res1 = false, res2 = false;
    if (nina[v] && !em[v]) return true;
    else if (!nina[v] && em[v]) return false;
    else if (!nina[v] && !em[v]) return h % 2 == 0;

    FOR(i, 0, 28) 
        if (nxt[v][i]) {
            bool tmp = dfs(nxt[v][i], h + 1);
            (tmp ? res1 = 1 : res2 = 1);
        }
    if (h % 2 == 1) {
        return !res2;
    } else return res1;
}

int32_t main() {
    cin.tie(0)->sync_with_stdio(0);
    if (fopen("hi.inp", "r")) {
        freopen("hi.inp", "r", stdin);
//        freopen("hi.out", "w", stdout);
    } 

    cin >> n;
    FOR(i, 1, n) {
        cin >> s;
        insert(s);
    }
    cin >> m;
    FOR(i, 1, m) {
        cin >> t;
        insert(t, 0);
    }
    db(sz)
    cout << (dfs(0, 0) ? "Nina" : "Emilija");
}

Compilation message (stderr)

Main.cpp: In function 'bool dfs(long long int, long long int)':
Main.cpp:18:31: warning: unnecessary parentheses in declaration of 'i' [-Wparentheses]
   18 | #define FOR(i, a, b) for (int (i) = a; (i) <= (b); i++)
      |                               ^
Main.cpp:54:5: note: in expansion of macro 'FOR'
   54 |     FOR(i, 0, 28)
      |     ^~~
Main.cpp: In function 'int32_t main()':
Main.cpp:18:31: warning: unnecessary parentheses in declaration of 'i' [-Wparentheses]
   18 | #define FOR(i, a, b) for (int (i) = a; (i) <= (b); i++)
      |                               ^
Main.cpp:72:5: note: in expansion of macro 'FOR'
   72 |     FOR(i, 1, n) {
      |     ^~~
Main.cpp:18:31: warning: unnecessary parentheses in declaration of 'i' [-Wparentheses]
   18 | #define FOR(i, a, b) for (int (i) = a; (i) <= (b); i++)
      |                               ^
Main.cpp:77:5: note: in expansion of macro 'FOR'
   77 |     FOR(i, 1, m) {
      |     ^~~
Main.cpp:67:16: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   67 |         freopen("hi.inp", "r", stdin);
      |         ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~

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