oj.uz

답안 #530771

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
530771 2022-02-26T17:55:18 Z c28dnv9q3 Monster Game (JOI21_monster) C++17
10 / 100
 254 ms 6108 KB 
#include "monster.h"
#include <iostream>
#include <bits/stdc++.h>

using namespace std;

const int len = 12;

void print(string pre, vector<int> a) {
    return;
    cout << pre << " ";
    for (int i = 0; i < a.size(); ++i) {
        cout << a[i] << " ";
    }
    cout << "\n";
}

int higher[1 << len];
map<pair<int, int>, int> quer;

bool cmp(int a, int b, int N) {
    if (a >= N) return true;
    if (b >= N) return false;
    //cout << a << " " << b << "\n";
    bool q = Query(a, b);
    if (q) higher[a]++; else higher[b]++;
    return q;
}

bool compare(int a, int b, int N) {
    if (quer[{a, b}] != 0) return quer[{a, b}] == 2;
    bool q = cmp(a, b, N);
    quer[{a, b}] = q ? 2 : 1;
    quer[{b, a}] = q ? 1 : 2;
    return q;
}

vector<int> sort(int l, int o, int N) {
    if (l == 0) return std::vector<int>{o};
    vector<int> a = sort(l - 1, o, N);
    vector<int> b = sort(l - 1, o + (1 << (l - 1)), N);
    vector<int> c(a.size() + b.size());
    int iA = 0;
    int iB = 0;
    for (int i = 0; i < c.size(); ++i) {
        if (iA < a.size() && iB < b.size()) {
            if (compare(a[iA], b[iB], N)) {
                c[i] = b[iB++];
            } else {
                c[i] = a[iA++];
            }
        } else {
            if (iA == a.size()) {
                c[i] = b[iB++];
            } else {
                c[i] = a[iA++];
            }
        }
    }
    return c;
}

void rev(vector<int> &T, int a, int b) {
    for (int i = 0; i < (1 + b - a) / 2; ++i) {
        swap(T[a + i], T[b - i]);
    }
}

int findMin(int N) {
    vector<int> low;

    for (int i = 0; i < N; ++i) {
        if (higher[i] <= 3) low.push_back(i);
    }

    print("possible: ", low);

    int ii;
    for (int i = 0; i < low.size(); ++i) {
        ii = i + 1;
        while (ii < low.size() && higher[i] <= 3) {
            if (higher[ii] <= 3) compare(low[i], low[ii], N);
            ii++;
        }
    }

    vector<int> possible;
    for (int i = 0; i < low.size(); ++i) {
        if (higher[low[i]] <= 3) possible.push_back(low[i]);
    }

    print("possible: ", possible);

    for (int i = 0; i < possible.size(); ++i) {
        for (int j = i + 1; j < possible.size(); ++j) {
            compare(possible[i], possible[j], N);
        }
    }

    vector<int> min;
    for (int i = 0; i < possible.size(); ++i) {
        if (higher[possible[i]] == 1) min.push_back(possible[i]);
    }

    print("last: ", min);

    //for (int i = 0; i < N; ++i) cout << higher[i]; cout << "\n";

    return compare(min[0], min[1], N) ? min[0] : min[1];
}

std::vector<int> Solve(int N) {
    vector<int> T = sort(len, 0, N);

    int ind = -1;
    int x = findMin(N);
    for (int i = 0; i < N; ++i) {
        if (T[i] == x) ind = i;
    }
    if (ind == -1) return {};
    rev(T, 0, ind);

    for (int s = ind; s < N - 1;) {
        for (int i = s + 1; i < N; ++i) {
            if (compare(T[s], T[i], N)) {
                rev(T, s + 1, i);
                s = i;
                break;
            }
            if (i == N - 1) return {};
        }
    }

    vector<int> erg = vector<int>(N, 0);
    for (int i = 0; i < N; ++i) {
        erg[T[i]] = i;
    }

    return erg;
}

Compilation message

monster.cpp: In function 'void print(std::string, std::vector<int>)':
monster.cpp:12:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   12 |     for (int i = 0; i < a.size(); ++i) {
      |                     ~~^~~~~~~~~~
monster.cpp: In function 'std::vector<int> sort(int, int, int)':
monster.cpp:45:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   45 |     for (int i = 0; i < c.size(); ++i) {
      |                     ~~^~~~~~~~~~
monster.cpp:46:16: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   46 |         if (iA < a.size() && iB < b.size()) {
      |             ~~~^~~~~~~~~~
monster.cpp:46:33: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   46 |         if (iA < a.size() && iB < b.size()) {
      |                              ~~~^~~~~~~~~~
monster.cpp:53:20: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   53 |             if (iA == a.size()) {
      |                 ~~~^~~~~~~~~~~
monster.cpp: In function 'int findMin(int)':
monster.cpp:79:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   79 |     for (int i = 0; i < low.size(); ++i) {
      |                     ~~^~~~~~~~~~~~
monster.cpp:81:19: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   81 |         while (ii < low.size() && higher[i] <= 3) {
      |                ~~~^~~~~~~~~~~~
monster.cpp:88:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   88 |     for (int i = 0; i < low.size(); ++i) {
      |                     ~~^~~~~~~~~~~~
monster.cpp:94:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   94 |     for (int i = 0; i < possible.size(); ++i) {
      |                     ~~^~~~~~~~~~~~~~~~~
monster.cpp:95:31: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   95 |         for (int j = i + 1; j < possible.size(); ++j) {
      |                             ~~^~~~~~~~~~~~~~~~~
monster.cpp:101:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
  101 |     for (int i = 0; i < possible.size(); ++i) {
      |                     ~~^~~~~~~~~~~~~~~~~

Subtask #1
10.0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Correct 10 ms 3400 KB Output is correct
2 Correct 10 ms 3400 KB Output is correct
3 Correct 10 ms 3400 KB Output is correct
4 Correct 14 ms 3400 KB Output is correct
5 Correct 12 ms 3400 KB Output is correct
6 Correct 11 ms 3392 KB Output is correct
7 Correct 11 ms 3324 KB Output is correct
8 Correct 10 ms 3400 KB Output is correct
9 Correct 10 ms 3400 KB Output is correct
10 Correct 10 ms 3400 KB Output is correct
11 Correct 10 ms 3400 KB Output is correct
12 Correct 10 ms 3400 KB Output is correct
13 Correct 10 ms 3400 KB Output is correct
14 Correct 10 ms 3364 KB Output is correct
15 Correct 11 ms 3300 KB Output is correct
16 Correct 33 ms 3608 KB Output is correct
17 Correct 30 ms 3608 KB Output is correct
18 Correct 32 ms 3532 KB Output is correct
19 Correct 26 ms 3656 KB Output is correct
20 Correct 32 ms 3532 KB Output is correct
21 Correct 10 ms 3400 KB Output is correct
22 Correct 11 ms 3400 KB Output is correct
23 Correct 10 ms 3400 KB Output is correct
24 Correct 10 ms 3400 KB Output is correct
25 Correct 12 ms 3372 KB Output is correct
26 Correct 62 ms 4100 KB Output is correct
27 Correct 11 ms 3388 KB Output is correct
28 Correct 12 ms 3296 KB Output is correct
29 Correct 11 ms 3316 KB Output is correct
30 Correct 15 ms 3400 KB Output is correct
31 Correct 11 ms 3400 KB Output is correct
32 Correct 74 ms 4360 KB Output is correct

Subtask #2
0 / 15.0

# 결과 실행 시간 메모리 Grader output
1 Correct 10 ms 3400 KB Output is correct
2 Correct 10 ms 3400 KB Output is correct
3 Correct 10 ms 3400 KB Output is correct
4 Correct 14 ms 3400 KB Output is correct
5 Correct 12 ms 3400 KB Output is correct
6 Correct 11 ms 3392 KB Output is correct
7 Correct 11 ms 3324 KB Output is correct
8 Correct 10 ms 3400 KB Output is correct
9 Correct 10 ms 3400 KB Output is correct
10 Correct 10 ms 3400 KB Output is correct
11 Correct 10 ms 3400 KB Output is correct
12 Correct 10 ms 3400 KB Output is correct
13 Correct 10 ms 3400 KB Output is correct
14 Correct 10 ms 3364 KB Output is correct
15 Correct 11 ms 3300 KB Output is correct
16 Correct 33 ms 3608 KB Output is correct
17 Correct 30 ms 3608 KB Output is correct
18 Correct 32 ms 3532 KB Output is correct
19 Correct 26 ms 3656 KB Output is correct
20 Correct 32 ms 3532 KB Output is correct
21 Correct 10 ms 3400 KB Output is correct
22 Correct 11 ms 3400 KB Output is correct
23 Correct 10 ms 3400 KB Output is correct
24 Correct 10 ms 3400 KB Output is correct
25 Correct 12 ms 3372 KB Output is correct
26 Correct 62 ms 4100 KB Output is correct
27 Correct 11 ms 3388 KB Output is correct
28 Correct 12 ms 3296 KB Output is correct
29 Correct 11 ms 3316 KB Output is correct
30 Correct 15 ms 3400 KB Output is correct
31 Correct 11 ms 3400 KB Output is correct
32 Correct 74 ms 4360 KB Output is correct
33 Correct 120 ms 4356 KB Output is correct
34 Correct 152 ms 4408 KB Output is correct
35 Correct 129 ms 4424 KB Output is correct
36 Correct 102 ms 4416 KB Output is correct
37 Correct 121 ms 4520 KB Output is correct
38 Correct 107 ms 4416 KB Output is correct
39 Correct 109 ms 4336 KB Output is correct
40 Correct 122 ms 4404 KB Output is correct
41 Correct 62 ms 4408 KB Output is correct
42 Correct 122 ms 4340 KB Output is correct
43 Incorrect 232 ms 6108 KB Wrong Answer [6]
44 Halted 0 ms 0 KB -

Subtask #3
0 / 75.0

# 결과 실행 시간 메모리 Grader output
1 Partially correct 125 ms 4472 KB Partially correct
2 Partially correct 130 ms 4544 KB Partially correct
3 Partially correct 103 ms 4496 KB Partially correct
4 Partially correct 129 ms 4396 KB Partially correct
5 Partially correct 131 ms 4516 KB Partially correct
6 Incorrect 254 ms 6108 KB Wrong Answer [6]
7 Halted 0 ms 0 KB -