제출 #1296415

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
1296415		huydayy	Vlak (COCI20_vlak)	C++20	70 / 70	19 ms	24852 KiB

Main

#include <bits/stdc++.h>
#define TASK "Vlak"
#define int long long
#define double long double
#define fi first
#define se second
#define pb push_back
#define ii pair<int, int>
#define vi vector<int>
#define vvi vector<vi>
#define vii vector<ii>
#define reset(f, x) memset(f, x, sizeof(f))
#define all(x) x.begin(), x.end()
#define sz(x) (long long)x.size()
#define FOR(i, a, b) for (int i = (a), _b = (b); i <= _b; ++i)
#define FORD(i, b, a) for (int i = (b), _a = (a); i >= _a; --i)
#define FORV(v, H) for (auto &v: H)
#define __builtin_popcount __builtin_popcountll
#define BIT(mask, i) ((mask >> i) & 1ll)
#define MASK(i) (1ll << (i))
#define ONBIT(mask, i) (mask  (1ll << (i)))
#define OFFBIT(mask, i) (mask &~ (1ll << (i)))
#define mid(l, r) ((l + r) >> 1)
#define left(id) (id << 1)
#define right(id) ((id << 1)  1)
#define TIME (1.0 * clock() / CLOCKS_PER_SEC)
#define UNIQUE(x) sort(all(x)); x.resize(distance(x.begin(), unique(all(x))))
#define BUG1(a) cout << a << '\n'
#define BUG2(a, b) cout << a << " " << b << '\n'
#define BUG3(a, b, c) cout << a << " " << b << " " << c << '\n'
#define BUG4(a, b, c, d) cout << a << " " << b << " " << c << " " << d << '\n'
#define BUG5(a, b, c, d, e) cout << a << " " << b << " " << c << " " << d << " " << e << '\n'
#define BUG6(a, b, c, d, e, f) cout << a << " " << b << " " << c << " " << d << " " << e << " " << f << '\n'

using namespace std;

template <class X, class Y> bool maximize(X &A, const Y &B){
    if (A < B) return A = B, true;
    return false;
}

template <class X, class Y> bool minimize(X &A, const Y &B){
    if (A > B) return A = B, true;
    return false;
}

const int oo  = 1e18;
const int MOD = 1e9 + 7;
const int MAXN = 2e5 + 100;
const int LOG = 16;
const int base = 311;
const int BLOCK = 317;
const int dx[] = {0, 0, 1, 0, -1};
const int dy[] = {0, 1, 0, -1, 0};

int N, M, id = 0;

struct Node{

    Node *child[26];
    int res = 0, mask = 0, id = 0;

};

Node *root = new Node();

int dp[MAXN][2];

struct Trie{

    void add(string s, int t){
        Node *p = root;
        FOR(i, 0, sz(s) - 1){
            int k = s[i] - 'a';
            if (p -> child[k] == nullptr){
                p -> child[k] = new Node();
                p -> child[k] -> id = ++id;
            }
            p = p -> child[k];
            p -> mask |= MASK(t);
        }
    }

    bool solve(Node *p, int j = 1){
        int i = p -> id;
        if (~dp[i][j]) return dp[i][j];
        bool cur = 0;
        FOR(k, 0, 25){
            if (p -> child[k] == nullptr) continue;
            if (BIT(p -> child[k] -> mask, j))
                maximize(cur, !solve(p -> child[k], j ^ 1));
        }
        return dp[i][j] = cur;
    }

} Trie;

main(){
    if (fopen(TASK".inp", "r")){
        freopen(TASK".inp", "r", stdin);
        freopen(TASK".out", "w", stdout);
    }
    ios_base::sync_with_stdio(0);
    cin.tie(0); cout.tie(0);
    cin >> N;
    FOR(i, 1, N){
        string s;
        cin >> s;
        Trie.add(s, 1);
    }
    cin >> M;
    FOR(i, 1, M){
        string s;
        cin >> s;
        Trie.add(s, 0);
    }
    reset(dp, -1);
    cout << (Trie.solve(root) ? "Nina" : "Emilija") << '\n';
    return 0;
}


















































/*
     ___  __    ___  _______   ___  ___          ________  ___  ________          ___  ___  ___  ___      ___    ___
    \  \\  \ |\  \|\  ___ \ |\  \|\  \        |\   ____\|\  \|\   __  \        |\  \|\  \|\  \|\  \    |\  \  / / |
    \  \\  \ |\  \|\  ___ \ |\  \|\  \        |\   ____\|\  \|\   __  \        |\  \|\  \|\  \|\  \    |\  \  / / |
    \ \  \/  /|\ \  \ \   __/|\ \  \\\  \       \ \  \___|\ \  \ \  \|\  \       \ \  \\\  \ \  \\\  \   \ \  \/ / /
     \ \   ___  \ \  \ \  \_|/_\ \  \\\  \       \ \  \  __\ \  \ \   __  \       \ \   __  \ \  \\\  \   \ \   / /
      \ \  \\ \  \ \  \ \  \_|\ \ \  \\\  \       \ \  \|\  \ \  \ \  \ \  \       \ \  \ \  \ \  \\\  \   \/  / /
       \ \__\\ \__\ \__\ \_______\ \_______\       \ \_______\ \__\ \__\ \__\       \ \__\ \__\ \_______\__/  / /
        \|__| \|__|\|__|\|_______|\|_______|        \|_______|\|__|\|__|\|__|        \|__|\|__|\|_______|\___/ /
                                                                                                        \|___|/
    Author: Kieu Gia Huy a.k.a kiwi
    From: C.H.V with luv <3
    ...

*/

컴파일 시 표준 에러 (stderr) 메시지

Main.cpp:98:1: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
   98 | main(){
      | ^~~~
Main.cpp: In function 'int main()':
Main.cpp:100:16: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
  100 |         freopen(TASK".inp", "r", stdin);
      |         ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~
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".out", "w", stdout);
      |         ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~

• 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