oj.uz

답안 #766126

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
766126 2023-06-25T10:31:11 Z pandapythoner Monster Game (JOI21_monster) C++17
10 / 100
 96 ms 440 KB 
#include <bits/stdc++.h>

#include "monster.h"

using namespace std;

#define ll long long
#define flt double
#define all(a) a.begin(), a.end()
#define rall(a) a.rbegin(), a.rend()

mt19937 rnd(2342334);

bool query(int a, int b) {
    return !Query(a, b);
}

vector<int> merge(vector<int> a, vector<int> b) {
    vector<int> c;
    int i = 0;
    int j = 0;
    while (i < (int)a.size() && j < (int)b.size()) {
        if (query(a[i], b[j])) {
            c.push_back(a[i]);
            i += 1;
        } else {
            c.push_back(b[j]);
            j += 1;
        }
    }
    while (i < (int)a.size()) {
        c.push_back(a[i]);
        i += 1;
    }
    while (j < (int)b.size()) {
        c.push_back(b[j]);
        j += 1;
    }
    return c;
}

vector<int> merge_sort(vector<int> a) {
    if (a.size() == 1) {
        return a;
    }
    int sz = (int)a.size();
    vector<int> x, y;
    for (int i = 0; i < sz; i += 1) {
        if (i < sz / 2) {
            x.push_back(a[i]);
        } else {
            y.push_back(a[i]);
        }
    }
    x = merge_sort(x);
    y = merge_sort(y);
    auto z = merge(x, y);
    return z;
}


vector<int> sort_aboba(vector<int> a){
	vector<int> b = {a[0]};
	for(int i = 1; i < (int)a.size(); i += 1){
		int l = -1;
		int r = (int)b.size();
		while(l + 1 < r){
			int m = (l + r) / 2;
			if(query(b[m], a[i])){
				l = m;
			} else{
				r = m;
			}
		}
		b.insert(b.begin() + r, a[i]);
	}
	return b;
}


vector<int> Solve(int n) {
    vector<int> t(n);
    for (int i = 0; i < n; i += 1) {
        t[i] = i;
    }
    shuffle(all(t), rnd);
    t = sort_aboba(t);
    if (query(t[0], t[n - 1])) {
        int x = -1;
        for (int i = n - 2; i >= 0; i -= 1) {
            if (!query(t[0], t[i])) {
                x = i;
                break;
            }
        }
        if (x == -1) {
            assert(0);
        }
        if (x == 1) {
            assert(0);
        }
        int fuck = -1;
        if (x == 2) {
			assert(n <= 500);
            bool is_1_mx = false;
            for (int i = 3; i < n; i += 1) {
                if (!query(t[1], t[i])) {
                    is_1_mx = true;
                    break;
                }
            }
            if (is_1_mx) {
                swap(t[1], t[2]);
                fuck = x + 1;
            } else {
                swap(t[0], t[1]);
                fuck = x + 1;
            }
        } else {
            int m = x + 1;
            vector<int> q(m - 2);
            for (int i = 0; i < m - 2; i += 1) {
                q[i] = query(t[i], t[i + 2]);
            }
            int d = -1;
            for (int i = 0; i + 1 < m - 2; i += 1) {
                if (q[i] && q[i + 1]) {
                    d = i + 1;
                    break;
                }
            }
            if (d == -1) {
                if (q[0]) {
                    d = 0;
                } else if (q[m - 3]) {
                    d = m - 2;
                }
            }
            if (d == -1) {
                assert(0);
            } else {
                reverse(t.begin(), t.begin() + d + 1);
                reverse(t.begin() + d + 1, t.begin() + m);
            }
            fuck = m;
        }
        while (fuck < n) {
            int new_fuck = -1;
            for (int i = fuck; i < n; i += 1) {
                if (!query(t[fuck - 1], t[i])) {
                    new_fuck = i + 1;
                    break;
                }
            }
            if (new_fuck == -1) {
                assert(0);
            }
            reverse(t.begin() + fuck, t.begin() + new_fuck);
            fuck = new_fuck;
        }
    } else {
        vector<int> q(n - 2);
        for (int i = 0; i < n - 2; i += 1) {
            q[i] = query(t[i], t[i + 2]);
        }
        int d = -1;
        for (int i = 0; i + 1 < n - 2; i += 1) {
            if (q[i] && q[i + 1]) {
                d = i + 1;
                break;
            }
        }
        if (d == -1) {
            if (q[0]) {
                d = 0;
            } else if (q[n - 3]) {
                d = n - 2;
            }
        }
        if (d == -1) {
            reverse(all(t));
        } else {
            reverse(t.begin(), t.begin() + d + 1);
            reverse(t.begin() + d + 1, t.end());
        }
    }
    vector<int> p(n);
    for (int i = 0; i < n; i += 1) {
        p[t[i]] = i;
    }
    return p;
}

Subtask #1
10.0 / 10.0

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

Subtask #2
0 / 15.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 208 KB Output is correct
2 Correct 0 ms 208 KB Output is correct
3 Correct 0 ms 208 KB Output is correct
4 Correct 0 ms 208 KB Output is correct
5 Correct 1 ms 208 KB Output is correct
6 Correct 0 ms 208 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 0 ms 208 KB Output is correct
15 Correct 1 ms 208 KB Output is correct
16 Correct 9 ms 304 KB Output is correct
17 Correct 16 ms 300 KB Output is correct
18 Correct 16 ms 308 KB Output is correct
19 Correct 13 ms 208 KB Output is correct
20 Correct 14 ms 208 KB Output is correct
21 Correct 0 ms 208 KB Output is correct
22 Correct 0 ms 208 KB Output is correct
23 Correct 0 ms 208 KB Output is correct
24 Correct 1 ms 208 KB Output is correct
25 Correct 0 ms 208 KB Output is correct
26 Correct 16 ms 208 KB Output is correct
27 Correct 0 ms 208 KB Output is correct
28 Correct 0 ms 208 KB Output is correct
29 Correct 0 ms 208 KB Output is correct
30 Correct 1 ms 208 KB Output is correct
31 Correct 1 ms 208 KB Output is correct
32 Correct 13 ms 208 KB Output is correct
33 Correct 61 ms 308 KB Output is correct
34 Correct 80 ms 292 KB Output is correct
35 Correct 76 ms 312 KB Output is correct
36 Correct 83 ms 292 KB Output is correct
37 Correct 33 ms 292 KB Output is correct
38 Correct 41 ms 312 KB Output is correct
39 Correct 71 ms 208 KB Output is correct
40 Correct 94 ms 296 KB Output is correct
41 Runtime error 96 ms 440 KB Execution killed with signal 6
42 Halted 0 ms 0 KB -

Subtask #3
0 / 75.0

# 결과 실행 시간 메모리 Grader output
1 Partially correct 48 ms 208 KB Partially correct
2 Partially correct 71 ms 300 KB Partially correct
3 Partially correct 50 ms 308 KB Partially correct
4 Partially correct 88 ms 208 KB Partially correct
5 Partially correct 48 ms 296 KB Partially correct
6 Partially correct 76 ms 292 KB Partially correct
7 Partially correct 96 ms 296 KB Partially correct
8 Runtime error 47 ms 428 KB Execution killed with signal 6
9 Halted 0 ms 0 KB -