oj.uz

답안 #662497

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
662497 2022-11-26T10:12:49 Z LittleCube Monster Game (JOI21_monster) C++17
100 / 100
 100 ms 432 KB 
#include "monster.h"
#include <bits/stdc++.h>
#define ll long long
#define pii pair<int, int>
#define pll pair<ll, ll>
#define piii tuple<int, int, int>
using namespace std;

vector<int> merge(vector<int> v)
{
    int n = v.size();
    if (n == 1)
        return v;

    vector<int> l, r;
    for (int i = 0; i < n; i++)
        if (i < n / 2)
            l.push_back(v[i]);
        else
            r.push_back(v[i]);

    v.clear();
    l = merge(l);
    r = merge(r);
    int ldx = 0, rdx = 0;
    while (ldx < l.size() || rdx < r.size())
    {
        if (ldx >= l.size())
            v.push_back(r[rdx++]);
        else if (rdx >= r.size())
            v.push_back(l[ldx++]);
        else if (Query(l[ldx], r[rdx]))
            v.push_back(r[rdx++]);
        else
            v.push_back(l[ldx++]);
    }
    return v;
}

vector<int> Solve(int N)
{
    vector<int> v;
    for (int i = 0; i < N; i++)
        v.push_back(i);
    v = merge(v);
    for (int i = 0; i < N; i++)
        cerr << v[i] << " \n"[i == N - 1];
    int start = 0;
    if (Query(v[0], v[1]))
        start = 1;
    else if (Query(v[2], v[0]))
    {
        if (Query(v[3], v[1]))
            start = 2;
        else
            start = 1;
    }
    else if (Query(v[3], v[1]))
        for (int j = 3; j < N; j++)
        {
            if (Query(v[2], v[j]))
            {
                start = 2;
                break;
            }
            else if (Query(v[0], v[j]))
            {
                start = 3;
                break;
            }
            else if (Query(v[1], v[j]))
            {
                start = 1;
                break;
            }
        }
    else
    {
        for (int i = 2; i < N - 2; i++)
            if (Query(v[i + 2], v[i]))
            {
                start = i + 2;
                break;
            }
    }
    cerr << start << '\n';
    reverse(v.begin(), v.begin() + start);
    for (int i = start; i < N;)
    {
        int j = i;
        while (Query(v[j], v[i - 1]))
            j++;
        j++;
        reverse(v.begin() + i, v.begin() + j);
        i = j;
    }
    // for (int i = 0; i < N; i++)
    //     cerr << v[i] << " \n"[i == N - 1];
    vector<int> T(N);
    for (int i = 0; i < N; i++)
        T[v[i]] = i;
    return T;
}

Compilation message

monster.cpp: In function 'std::vector<int> merge(std::vector<int>)':
monster.cpp:26:16: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   26 |     while (ldx < l.size() || rdx < r.size())
      |            ~~~~^~~~~~~~~~
monster.cpp:26:34: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   26 |     while (ldx < l.size() || rdx < r.size())
      |                              ~~~~^~~~~~~~~~
monster.cpp:28:17: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   28 |         if (ldx >= l.size())
      |             ~~~~^~~~~~~~~~~
monster.cpp:30:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   30 |         else if (rdx >= r.size())
      |                  ~~~~^~~~~~~~~~~

Subtask #1
10.0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 208 KB Output is correct
2 Correct 1 ms 208 KB Output is correct
3 Correct 1 ms 208 KB Output is correct
4 Correct 1 ms 208 KB Output is correct
5 Correct 1 ms 208 KB Output is correct
6 Correct 1 ms 304 KB Output is correct
7 Correct 1 ms 208 KB Output is correct
8 Correct 1 ms 208 KB Output is correct
9 Correct 1 ms 208 KB Output is correct
10 Correct 1 ms 208 KB Output is correct
11 Correct 1 ms 208 KB Output is correct
12 Correct 1 ms 208 KB Output is correct
13 Correct 1 ms 208 KB Output is correct
14 Correct 1 ms 208 KB Output is correct
15 Correct 1 ms 208 KB Output is correct
16 Correct 7 ms 308 KB Output is correct
17 Correct 13 ms 208 KB Output is correct
18 Correct 11 ms 288 KB Output is correct
19 Correct 6 ms 312 KB Output is correct
20 Correct 21 ms 208 KB Output is correct
21 Correct 1 ms 208 KB Output is correct
22 Correct 1 ms 208 KB Output is correct
23 Correct 1 ms 208 KB Output is correct
24 Correct 1 ms 208 KB Output is correct
25 Correct 1 ms 220 KB Output is correct
26 Correct 12 ms 308 KB Output is correct
27 Correct 0 ms 296 KB Output is correct
28 Correct 0 ms 208 KB Output is correct
29 Correct 1 ms 300 KB Output is correct
30 Correct 1 ms 208 KB Output is correct
31 Correct 1 ms 208 KB Output is correct
32 Correct 11 ms 208 KB Output is correct

Subtask #2
15.0 / 15.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 208 KB Output is correct
2 Correct 1 ms 208 KB Output is correct
3 Correct 1 ms 208 KB Output is correct
4 Correct 1 ms 208 KB Output is correct
5 Correct 1 ms 208 KB Output is correct
6 Correct 1 ms 304 KB Output is correct
7 Correct 1 ms 208 KB Output is correct
8 Correct 1 ms 208 KB Output is correct
9 Correct 1 ms 208 KB Output is correct
10 Correct 1 ms 208 KB Output is correct
11 Correct 1 ms 208 KB Output is correct
12 Correct 1 ms 208 KB Output is correct
13 Correct 1 ms 208 KB Output is correct
14 Correct 1 ms 208 KB Output is correct
15 Correct 1 ms 208 KB Output is correct
16 Correct 7 ms 308 KB Output is correct
17 Correct 13 ms 208 KB Output is correct
18 Correct 11 ms 288 KB Output is correct
19 Correct 6 ms 312 KB Output is correct
20 Correct 21 ms 208 KB Output is correct
21 Correct 1 ms 208 KB Output is correct
22 Correct 1 ms 208 KB Output is correct
23 Correct 1 ms 208 KB Output is correct
24 Correct 1 ms 208 KB Output is correct
25 Correct 1 ms 220 KB Output is correct
26 Correct 12 ms 308 KB Output is correct
27 Correct 0 ms 296 KB Output is correct
28 Correct 0 ms 208 KB Output is correct
29 Correct 1 ms 300 KB Output is correct
30 Correct 1 ms 208 KB Output is correct
31 Correct 1 ms 208 KB Output is correct
32 Correct 11 ms 208 KB Output is correct
33 Correct 100 ms 208 KB Output is correct
34 Correct 68 ms 432 KB Output is correct
35 Correct 88 ms 308 KB Output is correct
36 Correct 88 ms 308 KB Output is correct
37 Correct 89 ms 300 KB Output is correct
38 Correct 78 ms 208 KB Output is correct
39 Correct 71 ms 208 KB Output is correct
40 Correct 92 ms 208 KB Output is correct
41 Correct 90 ms 296 KB Output is correct
42 Correct 85 ms 296 KB Output is correct
43 Correct 45 ms 208 KB Output is correct
44 Correct 58 ms 300 KB Output is correct

Subtask #3
75.0 / 75.0

# 결과 실행 시간 메모리 Grader output
1 Correct 74 ms 300 KB Output is correct
2 Correct 97 ms 312 KB Output is correct
3 Correct 82 ms 312 KB Output is correct
4 Correct 81 ms 296 KB Output is correct
5 Correct 44 ms 312 KB Output is correct
6 Correct 74 ms 208 KB Output is correct
7 Correct 99 ms 300 KB Output is correct
8 Correct 66 ms 304 KB Output is correct
9 Correct 98 ms 312 KB Output is correct
10 Correct 95 ms 296 KB Output is correct
11 Correct 86 ms 300 KB Output is correct
12 Correct 86 ms 300 KB Output is correct
13 Correct 86 ms 300 KB Output is correct
14 Correct 54 ms 300 KB Output is correct
15 Correct 57 ms 208 KB Output is correct
16 Correct 58 ms 300 KB Output is correct
17 Correct 67 ms 296 KB Output is correct
18 Correct 47 ms 300 KB Output is correct