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ID题目提交者结果用时内存语言文件大小提交时间测评时间
#295829#6335. Belt Conveyorchy123211 629ms33968kbC++201.8kb2024-01-01 11:21:522024-01-01 11:21:52

Judging History

你现在查看的是最新测评结果

  • [2024-01-01 11:21:52]
  • 评测
  • 测评结果:1
  • 用时:629ms
  • 内存:33968kb
  • [2024-01-01 11:21:52]
  • 提交

answer

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

using namespace std;

constexpr int N = 1e5 + 10;

int dep[N], deg[N];

vector<int> G[N], d[3];

void Solve(int n, vector<int> a, vector<int> b) {
    function<void(int, int)> dfs = [&](int u, int fa) {
        for (int i : G[u]) {
            int v = u ^ a[i] ^ b[i];
            if (v != fa) dep[v] = dep[u] + 1, dfs(v, u);
        }
    };
    
    vector<int> dir(n - 1, -1);
    for (int i = 0; i < n - 1; i++) {
        G[a[i]].emplace_back(i), G[b[i]].emplace_back(i);
        deg[a[i]]++, deg[b[i]]++;
    }
    dfs(rand() % n, -1);
    for (int i = 0; i < n; i++) d[dep[i] % 3].emplace_back(i);
    while (!(d[0].empty() && d[1].empty() && d[2].empty())) {
        sort(d, d + 3, [&](vector<int> x, vector<int> y) {return x.size() > y.size();});
        vector<int> V(n), E(n - 1);
        for (int u : d[0]) {
            V[u] = 1;
            for (int i : G[u]) {
                if ((u == a[i] && dir[i] == 0) || (u == b[i] && dir[i] == 1)) E[i] = 1;
            }
        }
        vector<int> now = Query(E, V);
        for (int u : d[0]) {
            if (now[u]) {
                for (int i : G[u]) {
                    if (dir[i] == -1) {
                        dir[i] = u == b[i] ? 0 : 1;
                        deg[a[i]]--, deg[b[i]]--;
                    }
                }
            } else {
              for (int i : G[u]) {
                  if (dir[i] == -1 && now[u ^ a[i] ^ b[i]]) {
                      dir[i] = u == a[i] ? 0 : 1;
                      deg[a[i]]--, deg[b[i]]--;
                  }
              }
            }
        }
        for (int i = 0; i < 3; i++) {
            for (int j = d[i].size() - 1; j >= 0; j--) {
                if (!deg[d[i][j]]) d[i].erase(d[i].begin() + j);
            }
        }
    }
    Answer(dir);
}

詳細信息

Subtask #1:

score: 1
Accepted

Test #1:

score: 1
Accepted
time: 2ms
memory: 6040kb

input:

random1
2
0
1
1
0xC321A02965AC2640

output:

Accepted: 1

result:

ok correct

Test #2:

score: 0
Accepted
time: 2ms
memory: 6044kb

input:

random1
2
1
0
0
0x8A99AD9552B2C218

output:

Accepted: 1

result:

ok correct

Test #3:

score: 0
Accepted
time: 1ms
memory: 6036kb

input:

random1
2
1
0
1
0x024D21FA307D148D

output:

Accepted: 1

result:

ok correct

Test #4:

score: 0
Accepted
time: 0ms
memory: 6036kb

input:

random1
2
0
1
0
0x3C96AB23CEB63F75

output:

Accepted: 1

result:

ok correct

Subtask #2:

score: 0
Wrong Answer

Dependency #1:

100%
Accepted

Test #5:

score: 0
Wrong Answer
time: 1ms
memory: 6056kb

input:

priority
30
10 29 10 13 17 11 2 15 15 27 9 26 18 0 14 1 22 24 29 28 6 22 4 20 15 5 28 4 21
24 3 13 1 8 13 12 8 19 16 3 1 10 24 29 12 8 4 7 2 7 28 25 12 7 2 23 27 22
89058848 6377689 24189123 31671827 205117644 254374430 56016068 6819602 212866321 246625321 274047319 230485311 202854776 280075001 203...

output:

Wrong Answer [8]

result:

wrong answer Token "Wrong" doesn't correspond to pattern "Accepted:"

Subtask #3:

score: 0
Wrong Answer

Test #11:

score: 10
Accepted
time: 608ms
memory: 32500kb

input:

random1
100000
0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 9...

output:

Accepted: 4

result:

ok correct

Test #12:

score: 0
Accepted
time: 629ms
memory: 32540kb

input:

priority
100000
0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 ...

output:

Accepted: 4

result:

ok correct

Test #13:

score: -10
Wrong Answer
time: 230ms
memory: 33968kb

input:

random1
100000
0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 9...

output:

Wrong Answer [8]

result:

wrong answer Token "Wrong" doesn't correspond to pattern "Accepted:"

Subtask #4:

score: 0
Skipped

Dependency #1:

100%
Accepted

Dependency #2:

0%