제출 #1268017

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
1268017		theeducc	Vlak (COCI20_vlak)	C++20	70 / 70	13 ms	20384 KiB

Main

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

#define int                             long long
#define f(i, a, b)                      for (int i = (a); i <= (b); i++)
#define fo(i, a, b)                     for (int i = (a); i >= (b); i--)
#define minimize(a, b)                  (a) = ((a) < (b) ? (a) : (b))
#define maximize(a, b)                  (a) = ((a) > (b) ? (a) : (b)) 
#define fi                              first
#define se                              second
#define ll                              long long
#define pii                             pair <int, int>
#define pb                              push_back
#define pi                              acos(-1)
#define sz(a)                           (int)a.size()
#define getbit(a, b)                    (((a) >> (b)) & 1)
#define INOUT                           "main"
#define INFT                            0x3f3f3f3f
#define debug1(a, st, en)   { cout << #a << " = ["; int kt = false; f(i, st, en) {if (kt) cout << ", "; kt = true; cout << a[i];} cout << "]\n"; } 
#define debug(args...)      { string _s = #args; replace(_s.begin(), _s.end(), ',', ' '); stringstream _ss(_s); istream_iterator<string> _it(_ss); err(_it, args); }

void err(istream_iterator<string> it) {cout << '\n';}
template<typename T, typename... Args>
void err(istream_iterator<string> it, T a, Args... args)
{
        cout << *it << " = [" << a << "]" << ' ';
        err(++it, args...);
}

void ctime()
{
        cerr << "\n" << "\nTime elapsed: " << 1000 * clock() / CLOCKS_PER_SEC << "ms\n";
}

void file()
{
        ios_base::sync_with_stdio(false);
        cin.tie(NULL); cout.tie(NULL);
        if (fopen(INOUT".inp", "r")) 
        {
            freopen(INOUT".inp", "r", stdin); 
            freopen(INOUT".out", "w", stdout);
        }
}

const int MOD = 998244353;
int n;

struct Node
{
        Node* child[26];
        bool exist[2];

        Node()
        {
                f(i, 0, 25)    
                {
                        child[i] = NULL;
                        exist[0] = exist[1] = 0;
                }
        }
};

Node root;

void ADD(string s, int type)
{
        Node* cur = &root;

        for (auto c : s)
        {
                int x = c - 'a';

                if (cur->child[x] == NULL)
                        cur->child[x] = new Node();

                cur = cur->child[x];
                cur->exist[type] = true;
        }
}

bool FIND(Node* cur, int turn)
{
        f(c, 0, 25)
        {
                if (cur->child[c] == NULL)
                        continue;

                if (!cur->child[c]->exist[turn ^ 1])
                        return true;
                if (FIND(cur->child[c], turn ^ 1) == 0)
                        return true;
        }

        return false;
}

signed main()
{
        file();

        cin >> n;
        f(i, 1, n)
        {
                string s;
                cin >> s;

                ADD(s, 0);
        }

        cin >> n;
        f(i, 1, n)
        {
                string s;
                cin >> s;

                ADD(s, 1);
        }

        if (FIND(&root, 0))     cout << "Nina";
        else                    cout << "Emilija";

        ctime();
        return 0;
}

컴파일 시 표준 에러 (stderr) 메시지

Main.cpp: In function 'void file()':
Main.cpp:41:20: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   41 |             freopen(INOUT".inp", "r", stdin);
      |             ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~
Main.cpp:42:20: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   42 |             freopen(INOUT".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