oj.uz

답안 #423488

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
423488 2021-06-11T07:59:26 Z 반딧불(#7610) Monster Game (JOI21_monster) C++17
0 / 100
 104 ms 296 KB 
#include <bits/stdc++.h>
#include "monster.h"

using namespace std;

typedef long long ll;

namespace {
    int n;
    int arr[1002];
    int arr2[1002];

    void Sort(int l, int r){
        if(l>=r) return;
        int m = (l+r)>>1;
        Sort(l, m);
        Sort(m+1, r);

        for(int i=l; i<=r; i++) arr2[i] = arr[i];
        for(int i=l, j=m+1, k=l; k<=r; k++){
            if(i==m+1) arr[k] = arr2[j++];
            else if(j==r+1) arr[k] = arr2[i++];
            else if(Query(arr2[i], arr2[j]) == 0) arr[k] = arr2[i++];
            else arr[k] = arr2[j++];
        }
    }

    void calculateElse(int tmp, int st){
        for(int i=st; i<n; i++){
            if(Query(arr[tmp], arr[i])){
                reverse(arr+tmp+1, arr+i+1);
                tmp = i;
            }
        }
    }

    void Reorder(int l, int r){
        if((r-l) <= 7){
            int cnt[1005] = {0};
            for(int i=l; i<=r; i++){
                for(int j=i+1; j<=r; j++){
                    if(Query(arr[i], arr[j])) cnt[arr[i]]++;
                    else cnt[arr[j]]++;
                }
            }
            sort(arr+l, arr+r+1, [&](int x, int y){
                return cnt[x] < cnt[y];
            });
            if(Query(arr[l], arr[l+1]) == 0) swap(arr[l], arr[l+1]);
            if(Query(arr[r], arr[r-1])) swap(arr[r], arr[r-1]);
            return;
        }

        int comp[1005] = {0};
        int cnt = 0;
        int lim = r;
        for(int i=l+1; i<=r; i++){
            if(Query(arr[l], arr[i])) comp[i] = 1, cnt++;
            if(comp[i-1] && !comp[i]){
                lim = i-1;
                break;
            }
        }
        if(cnt >= 2){ /// Case 1
            assert(lim >= l+3);
            if(Query(arr[lim], arr[lim-2])) reverse(arr+l, arr+lim+1);
            else reverse(arr+l, arr+lim);
            calculateElse(lim, lim+1);
            return;
        }
        else if(lim >= l+3){ /// Case 2
            if(Query(arr[l+1], arr[lim])) reverse(arr+l+1, arr+lim+1);
            else reverse(arr+l+2, arr+lim+1), swap(arr[l], arr[l+1]);
            calculateElse(lim, lim+1);
        }
        else{
            Reorder(l+3, r);
            if(Query(arr[l], arr[l+3])){
                reverse(arr+l, arr+l+3);
            }
            else if(Query(arr[l+1], arr[l+3])){
                swap(arr[l+1], arr[l+2]);
            }
            else{
                swap(arr[l], arr[l+1]);
            }
        }
    }
}

vector<int> Solve(int N){
    n = N;
    for(int i=0; i<n; i++) arr[i] = i;
    random_shuffle(arr, arr+n);
    Sort(0, n-1);

    Reorder(0, n-1);

//    for(int i=0; i<n; i++) printf("%d ", arr[i]);
//    puts("");

    vector<int> idx (n);
    for(int i=0; i<n; i++) idx[arr[i]] = i;
    return idx;
}

Subtask #1
0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 200 KB Output is correct
2 Correct 1 ms 200 KB Output is correct
3 Correct 1 ms 200 KB Output is correct
4 Correct 1 ms 200 KB Output is correct
5 Correct 0 ms 200 KB Output is correct
6 Correct 1 ms 200 KB Output is correct
7 Correct 1 ms 200 KB Output is correct
8 Correct 1 ms 200 KB Output is correct
9 Correct 1 ms 200 KB Output is correct
10 Correct 1 ms 200 KB Output is correct
11 Correct 1 ms 200 KB Output is correct
12 Correct 1 ms 200 KB Output is correct
13 Correct 1 ms 200 KB Output is correct
14 Correct 1 ms 200 KB Output is correct
15 Correct 1 ms 200 KB Output is correct
16 Correct 19 ms 200 KB Output is correct
17 Correct 19 ms 200 KB Output is correct
18 Correct 15 ms 204 KB Output is correct
19 Correct 16 ms 296 KB Output is correct
20 Incorrect 18 ms 200 KB Wrong Answer [3]
21 Halted 0 ms 0 KB -

Subtask #2
0 / 15.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 200 KB Output is correct
2 Correct 1 ms 200 KB Output is correct
3 Correct 1 ms 200 KB Output is correct
4 Correct 1 ms 200 KB Output is correct
5 Correct 0 ms 200 KB Output is correct
6 Correct 1 ms 200 KB Output is correct
7 Correct 1 ms 200 KB Output is correct
8 Correct 1 ms 200 KB Output is correct
9 Correct 1 ms 200 KB Output is correct
10 Correct 1 ms 200 KB Output is correct
11 Correct 1 ms 200 KB Output is correct
12 Correct 1 ms 200 KB Output is correct
13 Correct 1 ms 200 KB Output is correct
14 Correct 1 ms 200 KB Output is correct
15 Correct 1 ms 200 KB Output is correct
16 Correct 19 ms 200 KB Output is correct
17 Correct 19 ms 200 KB Output is correct
18 Correct 15 ms 204 KB Output is correct
19 Correct 16 ms 296 KB Output is correct
20 Incorrect 18 ms 200 KB Wrong Answer [3]
21 Halted 0 ms 0 KB -

Subtask #3
0 / 75.0

# 결과 실행 시간 메모리 Grader output
1 Correct 82 ms 276 KB Output is correct
2 Correct 77 ms 288 KB Output is correct
3 Correct 60 ms 288 KB Output is correct
4 Correct 85 ms 280 KB Output is correct
5 Correct 104 ms 288 KB Output is correct
6 Correct 77 ms 280 KB Output is correct
7 Correct 87 ms 280 KB Output is correct
8 Correct 76 ms 200 KB Output is correct
9 Incorrect 81 ms 280 KB Wrong Answer [3]
10 Halted 0 ms 0 KB -