oj.uz

Submission #688455

# Submission time Handle Problem Language Result Execution time Memory
688455 2023-01-27T13:18:04 Z rieyuw Vlak (COCI20_vlak) C++17
10 / 70
 104 ms 67788 KB 
#include <bits/stdc++.h>

using namespace std;

const int mxN = 2e5+1;
vector<vector<array<int,3>>> nxt(mxN, vector<array<int,3>>(26));
//vector<bool> winning(mxN);

bool dfs(int node, int depth)
{
    int par = (depth & 1);
    bool res = !par;
    bool leave = true;
    for (int i = 0; i < 26; ++i)
    {
        array<int,3>& p = nxt[node][i];
        leave &= (p[0] == 0);
        if (p[0] != 0 & p[par])
        {
            if (par)
                res |= dfs(p[0], depth+1);
            else
                res &= dfs(p[0], depth+1);
        }
    }
    if (leave)
        return (depth%2);
    else
        return res;
}

int main() 
{
	int n; cin >> n;
    string s;
    
    int MAXID = 0;
    while(n--)
    {
        cin >> s;
        int node = 0;
        for (char c : s)
        {
            array<int,3>& p = nxt[node][c-'a'];
            if (p[0] == 0)
                p[0] = ++MAXID;
            p[1] = 1;
            node = p[0];
        }        
    }

    int m; cin >> m;
    while(m--)
    {
        cin >> s;
        int node = 0;
        for (char c : s)
        {
            array<int,3>& p = nxt[node][c-'a'];
            if (p[0] == 0)
                p[0] = ++MAXID;
            p[2] = 1;
            node = p[0];
        }        
    }
    cout << (dfs(0, 1) ? "Nina" : "Emilija") << "\n";
}

Compilation message

Main.cpp: In function 'bool dfs(int, int)':
Main.cpp:18:18: warning: suggest parentheses around comparison in operand of '&' [-Wparentheses]
   18 |         if (p[0] != 0 & p[par])

Subtask #1
0 / 10.0

# Verdict Execution time Memory Grader output
1 Incorrect 92 ms 67604 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #2
0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 90 ms 67528 KB Output is correct
2 Correct 90 ms 67572 KB Output is correct
3 Correct 88 ms 67536 KB Output is correct
4 Incorrect 86 ms 67560 KB Output isn't correct
5 Halted 0 ms 0 KB -

Subtask #3
0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 86 ms 67600 KB Output is correct
2 Correct 85 ms 67584 KB Output is correct
3 Incorrect 90 ms 67532 KB Output isn't correct
4 Halted 0 ms 0 KB -

Subtask #4
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 85 ms 67536 KB Output is correct
2 Correct 89 ms 67532 KB Output is correct
3 Correct 90 ms 67612 KB Output is correct
4 Correct 87 ms 67560 KB Output is correct

Subtask #5
0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 98 ms 67788 KB Output is correct
2 Incorrect 104 ms 67784 KB Output isn't correct
3 Halted 0 ms 0 KB -

Subtask #6
0 / 10.0

# Verdict Execution time Memory Grader output
1 Incorrect 95 ms 67780 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #7
0 / 10.0

# Verdict Execution time Memory Grader output
1 Incorrect 99 ms 67756 KB Output isn't correct
2 Halted 0 ms 0 KB -