oj.uz

Submission #565955

# Submission time Handle Problem Language Result Execution time Memory
565955 2022-05-21T15:39:58 Z InternetPerson10 Stray Cat (JOI20_stray) C++17
0 / 100
 57 ms 15788 KB 
#include "Anthony.h"
#include <bits/stdc++.h>

using namespace std;

#include <vector>

namespace {

    // orig: 1 1 0 1 0 0
vector<int> sixchain = {1, 0, 1, 1, 1, 0};
vector<vector<pair<int, int>>> adj;
vector<int> marks, chain;

struct dsu {
    vector<int> par, siz;
    dsu(int n) {
        par.resize(n);
        siz.resize(n, 1);
        for(int i = 0; i < n; i++) par[i] = i;
    }
    int get(int x) {
        if(par[x] == x) return x;
        return par[x] = get(par[x]);
    }
    bool unite(int x, int y) {
        x = get(x); y = get(y);
        if(x == y) return false;
        if(siz[x] > siz[y]) swap(x, y);
        par[x] = y;
        siz[y] += siz[x];
        return true;
    }
};

void dfs(int n, int par = -1, int na = -1, int ne = -1) {
    if(na != -1) {
        if(adj[par].size() == 2) {
            chain[n] = (chain[par] + 1) % 6;
            if(ne == -1) marks[na] = 0;
            else marks[na] = (sixchain[chain[n]] + marks[ne]) % 2;
        }
        else {
            chain[n] = -1;
            if(ne == -1) marks[na] = 0;
            else marks[na] = (1 + marks[ne]) % 2;
        }
    }
    for(auto p : adj[n]) {
        int ch, nu;
        tie(ch, nu) = p;
        if(ch == par) continue;
        dfs(ch, n, nu, na);
    }
}

}  // namespace

vector<int> Mark(int N, int M, int A, int B, vector<int> U, vector<int> V) {
    marks.resize(M, 0);
    chain.resize(N, 0);
    adj.resize(N);
    if(M != N - 1) {
        dsu uf(N);
        vector<int> v1, v2;
        for(int i = 0; i < M; i++) {
            if(!uf.unite(U[i], V[i])) {
                U[i] = V[i] = -1;
                marks[i] = 2;
            }
        }
    }
    for(int i = 0; i < M; i++) {
        if(U[i] == -1) continue;
        adj[U[i]].push_back({V[i], i});
        adj[V[i]].push_back({U[i], i});
    }
    dfs(0);
    return marks;
}

#include "Catherine.h"
#include <bits/stdc++.h>

using namespace std;

namespace {

vector<int> sixchain = {1, 1, 0, 1, 0, 0};
vector<vector<pair<int, int>>> adj;
vector<int> marks, chain;

struct dsu {
    vector<int> par, siz;
    dsu(int n) {
        par.resize(n);
        siz.resize(n, 1);
        for(int i = 0; i < n; i++) par[i] = i;
    }
    int get(int x) {
        if(par[x] == x) return x;
        return par[x] = get(par[x]);
    }
    bool unite(int x, int y) {
        x = get(x); y = get(y);
        if(x == y) return false;
        if(siz[x] > siz[y]) swap(x, y);
        par[x] = y;
        siz[y] += siz[x];
        return true;
    }
};

void dfs(int n, int par = -1, int na = -1) {
    if(na != -1) {
        if(adj[par].size() == 2) {
            chain[n] = (chain[par] + 1) % 6;
            marks[na] = (sixchain[chain[n]] + chain[par]) % 2;
        }
        else {
            chain[n] = -1;
            marks[na] = (1 + chain[par]) % 2;
        }
    }
    for(auto p : adj[n]) {
        int ch, nu;
        tie(ch, nu) = p;
        if(ch == par) continue;
        dfs(ch, n, nu);
    }
}

vector<int> marksGot;
int goBack = -1;
int goUp = 0;

set<vector<int>> goingDown = {
    {1, 1, 0, 1, 0, 0},
    {1, 0, 1, 0, 0, 1},
    {0, 1, 0, 0, 1, 1},
    {1, 0, 0, 1, 1, 0},
    {0, 0, 1, 1, 0, 1},
    {0, 1, 1, 0, 1, 0}
};

}  // namespace

void Init(int A, int B) {
}

vector<int> y;

int findVal(int x) {
    marksGot.push_back(x);
    return x;
}

int Move(std::vector<int> k) {
    y = k;
    int ySize = y[0] + y[1], mini = 2;
    if(y[0]) mini = 0;
    else mini = 1;
    if(marksGot.size() == 0) {
        if(ySize == 1) {
            goUp = 1;
            return findVal(mini);
        }
        if(ySize == 2) {
            return findVal(mini);
        }
        goUp = 1;
        if(y[0] == 1) return findVal(0);
        return findVal(1);
    }
    if(goUp) {
        if(ySize == 1) {
            return findVal(mini);
        }
        int x = marksGot.back();
        return findVal(1-x);
    }
    if(goBack > -1) {
        marksGot.push_back(marksGot[goBack]);
        goBack--;
        if(goBack == -1) goUp = 1;
        return findVal(marksGot[goBack+1]);
    }
    if(ySize == 0) { // Reached leaf
        marksGot.push_back(marksGot.back());
        goUp = 1;
        return -1;
    }
    if(ySize == 1 && marksGot.size() < 6) {
        return findVal(mini);
    }
    if(ySize == 1 && marksGot.size() == 6) {
        if(goingDown.count(marksGot)) {
            goBack = 4;
            marksGot.push_back(marksGot[5]);
            return -1;
        }
        else { // Going up na pala
            goUp = 1;
            return findVal(mini);
        }
    }
    if(ySize > 1) {
        goUp = 1;
        if(y[0] == 0) {
            marksGot.push_back(1);
            return -1;
        }
        if(y[1] == 0) {
            marksGot.push_back(0);
            return -1;
        }
        return findVal(1-marksGot.back());
    }
    while(true) {}
    assert(false);
}

Subtask #1
0 / 2.0

# Verdict Execution time Memory Grader output
1 Incorrect 35 ms 15788 KB Wrong Answer [6]
2 Halted 0 ms 0 KB -

Subtask #2
0 / 2.0

# Verdict Execution time Memory Grader output
1 Incorrect 35 ms 15788 KB Wrong Answer [6]
2 Halted 0 ms 0 KB -

Subtask #3
0 / 2.0

# Verdict Execution time Memory Grader output
1 Correct 40 ms 13356 KB Output is correct
2 Correct 0 ms 508 KB Output is correct
3 Correct 34 ms 12664 KB Output is correct
4 Correct 43 ms 14860 KB Output is correct
5 Incorrect 41 ms 14928 KB Wrong Answer [6]
6 Halted 0 ms 0 KB -

Subtask #4
0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 40 ms 13356 KB Output is correct
2 Correct 0 ms 508 KB Output is correct
3 Correct 34 ms 12664 KB Output is correct
4 Correct 43 ms 14860 KB Output is correct
5 Incorrect 41 ms 14928 KB Wrong Answer [6]
6 Halted 0 ms 0 KB -

Subtask #5
0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 904 KB Output is correct
2 Correct 0 ms 516 KB Output is correct
3 Correct 2 ms 896 KB Output is correct
4 Correct 2 ms 992 KB Output is correct
5 Correct 3 ms 908 KB Output is correct
6 Correct 2 ms 896 KB Output is correct
7 Correct 2 ms 896 KB Output is correct
8 Correct 2 ms 896 KB Output is correct
9 Correct 2 ms 904 KB Output is correct
10 Correct 2 ms 904 KB Output is correct
11 Correct 2 ms 904 KB Output is correct
12 Correct 2 ms 896 KB Output is correct
13 Correct 2 ms 904 KB Output is correct
14 Incorrect 2 ms 904 KB Wrong Answer [5]
15 Halted 0 ms 0 KB -

Subtask #6
0 / 71.0

# Verdict Execution time Memory Grader output
1 Correct 36 ms 11228 KB Output is correct
2 Correct 39 ms 12296 KB Output is correct
3 Correct 0 ms 508 KB Output is correct
4 Correct 28 ms 11084 KB Output is correct
5 Correct 41 ms 13360 KB Output is correct
6 Correct 41 ms 13320 KB Output is correct
7 Correct 39 ms 12308 KB Output is correct
8 Correct 34 ms 12460 KB Output is correct
9 Correct 50 ms 13332 KB Output is correct
10 Correct 52 ms 13444 KB Output is correct
11 Correct 44 ms 13340 KB Output is correct
12 Correct 48 ms 13312 KB Output is correct
13 Correct 57 ms 13252 KB Output is correct
14 Correct 43 ms 13400 KB Output is correct
15 Correct 43 ms 13324 KB Output is correct
16 Correct 46 ms 13416 KB Output is correct
17 Correct 43 ms 12948 KB Output is correct
18 Correct 41 ms 13024 KB Output is correct
19 Correct 40 ms 12996 KB Output is correct
20 Correct 40 ms 13064 KB Output is correct
21 Correct 44 ms 13020 KB Output is correct
22 Correct 44 ms 12984 KB Output is correct
23 Correct 34 ms 11100 KB Output is correct
24 Correct 41 ms 11276 KB Output is correct
25 Correct 34 ms 11648 KB Output is correct
26 Correct 43 ms 11548 KB Output is correct
27 Correct 43 ms 12348 KB Output is correct
28 Correct 46 ms 12276 KB Output is correct
29 Correct 44 ms 12248 KB Output is correct
30 Correct 39 ms 12372 KB Output is correct
31 Correct 40 ms 11284 KB Output is correct
32 Correct 40 ms 11224 KB Output is correct
33 Incorrect 34 ms 11536 KB Wrong Answer [5]
34 Halted 0 ms 0 KB -

Subtask #7
0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 50 ms 11168 KB Output is correct
2 Correct 34 ms 11948 KB Output is correct
3 Correct 1 ms 508 KB Output is correct
4 Correct 44 ms 11040 KB Output is correct
5 Correct 47 ms 13400 KB Output is correct
6 Correct 45 ms 13280 KB Output is correct
7 Incorrect 34 ms 12388 KB Wrong Answer [6]
8 Halted 0 ms 0 KB -