Submission #260706

#	Time	Username	Problem	Language	Result	Execution time	Memory
260706		Kastanda	Stray Cat (JOI20_stray)	C++14	15 / 100	69 ms	17480 KiB

Anthony

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

const int N = 21234;

int D[N];
vector < int > Adj[N];

vector < int > Sub(int n, int m, int A, int B, vector < int > U, vector < int > V)
{
        assert(B == 0 && A >= 3);

        for (int i = 0; i < m; i ++)
                Adj[U[i]].push_back(V[i]), Adj[V[i]].push_back(U[i]);

        memset(D, -1, sizeof(D));
        queue < int > qu;
        qu.push(0); D[0] = 0;
        while (qu.size())
        {
                int v = qu.front();
                qu.pop();
                for (int u : Adj[v])
                        if (D[u] == -1)
                                D[u] = D[v] + 1, qu.push(u);
        }

        vector < int > C(m, 0);
        for (int i = 0; i < m; i ++)
        {
                int d = min(D[V[i]], D[U[i]]);
                C[i] = d % 3;
        }
        return C;
}

vector < int > Mark(int n, int m, int A, int B, vector < int > U, vector < int > V)
{
        if (B == 0)
                return Sub(n, m, A, B, U, V);
        assert(0);
}

Catherine

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

const int N = 21234;

int cA, cB;

void Init(int A, int B)
{
        cA = A;
        cB = B;
}

int Move2(vector < int > Freq)
{
        assert(cB == 0 && cA >= 3);

        int c = 0;
        for (int a : Freq)
                if (a) c ++;
        if (c == 1 && Freq[0])
                return 0;
        if (c == 1 && Freq[1])
                return 1;
        if (c == 1 && Freq[2])
                return 2;

        assert(c == 2);
        if (Freq[0] && Freq[1])
                return 0;
        if (Freq[0])
                return 2;
        return 1;
}

int Move(vector < int > Freq)
{
        if (cB == 0)
                return Move2(Freq);
        assert(0);
}

• Subtask 1: 2 / 2
• Subtask 2: 2 / 2
• Subtask 3: 2 / 2
• Subtask 4: 9 / 9
• Subtask 5: 0 / 5
• Subtask 6: 0 / 71
• Subtask 7: 0 / 9