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Submission #639482

# Submission time Handle Problem Language Result Execution time Memory
639482 2022-09-10T08:32:10 Z piOOE Unscrambling a Messy Bug (IOI16_messy) C++17
100 / 100
 3 ms 468 KB 
#include <bits/stdc++.h>
#include "messy.h"

using namespace std;

vector<int> restore_permutation(int n, int w, int r) {
    vector<int> p(n, -1);
    function<void(int, int, string)> init = [&](int l, int r, string b) {
        if (l + 1 == r) {
            return;
        }
        int mid = (l + r) >> 1;
        for (int i = mid; i < r; ++i) {
            b[i] = '1';
            add_element(b);
            b[i] = '0';
        }
        for (int i = mid; i < r; ++i) {
            b[i] = '1';
        }
        init(l, mid, b);
        for (int i = mid; i < r; ++i) {
            b[i] = '0';
            b[l + (i - mid)] = '1';
        }
        init(mid, r, b);
    };
    init(0, n, string(n, '0'));
    compile_set();
    function<void(vector<int>, vector<int>, int, int)> solve = [&](vector<int> a, vector<int> sure, int ans, int dep) {
        const int sz = a.size();
        if (sz == 1) {
            p[a[0]] = ans;
            return;
        }
        vector<int> on, off;
        for (int i: a) {
            string s(n, '0');
            for (int x: sure) {
                s[x] = '1';
            }
            s[i] = '1';
            if (check_element(s)) {
                on.push_back(i);
            } else {
                off.push_back(i);
            }
        }
        sure.insert(sure.end(), on.begin(), on.end());
        solve(off, sure, ans, dep - 1);
        sure.resize(sure.size() - on.size());
        sure.insert(sure.end(), off.begin(), off.end());
        solve(on, sure, ans + (1 << dep), dep - 1);
    };
    vector<int> a(n);
    iota(a.begin(), a.end(), 0);
    solve(a, {}, 0, __lg(n) - 1);
    return p;
}

Subtask #1
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB n = 8
2 Correct 1 ms 212 KB n = 8
3 Correct 1 ms 212 KB n = 8
4 Correct 1 ms 212 KB n = 8
5 Correct 1 ms 212 KB n = 8
6 Correct 1 ms 212 KB n = 8
7 Correct 1 ms 212 KB n = 8
8 Correct 1 ms 212 KB n = 8
9 Correct 1 ms 292 KB n = 8
10 Correct 1 ms 212 KB n = 8
11 Correct 1 ms 212 KB n = 8
12 Correct 1 ms 300 KB n = 8
13 Correct 1 ms 212 KB n = 8
14 Correct 1 ms 300 KB n = 8
15 Correct 1 ms 212 KB n = 8

Subtask #2
18.0 / 18.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB n = 32
2 Correct 1 ms 212 KB n = 32
3 Correct 1 ms 212 KB n = 32
4 Correct 1 ms 212 KB n = 32
5 Correct 1 ms 212 KB n = 32
6 Correct 1 ms 304 KB n = 32
7 Correct 1 ms 212 KB n = 32
8 Correct 1 ms 304 KB n = 32
9 Correct 1 ms 212 KB n = 32
10 Correct 1 ms 212 KB n = 32
11 Correct 1 ms 212 KB n = 32
12 Correct 1 ms 212 KB n = 32
13 Correct 1 ms 212 KB n = 32
14 Correct 1 ms 212 KB n = 32
15 Correct 1 ms 296 KB n = 32

Subtask #3
11.0 / 11.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB n = 32
2 Correct 1 ms 300 KB n = 32
3 Correct 1 ms 212 KB n = 32
4 Correct 1 ms 212 KB n = 32
5 Correct 1 ms 212 KB n = 32
6 Correct 1 ms 212 KB n = 32
7 Correct 1 ms 212 KB n = 32
8 Correct 1 ms 304 KB n = 32
9 Correct 1 ms 212 KB n = 32
10 Correct 1 ms 292 KB n = 32
11 Correct 1 ms 212 KB n = 32
12 Correct 1 ms 212 KB n = 32
13 Correct 1 ms 212 KB n = 32
14 Correct 1 ms 212 KB n = 32
15 Correct 1 ms 212 KB n = 32

Subtask #4
21.0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 468 KB n = 128
2 Correct 2 ms 468 KB n = 128
3 Correct 2 ms 468 KB n = 128
4 Correct 2 ms 468 KB n = 128
5 Correct 2 ms 468 KB n = 128
6 Correct 3 ms 468 KB n = 128
7 Correct 2 ms 468 KB n = 128
8 Correct 3 ms 424 KB n = 128
9 Correct 2 ms 468 KB n = 128
10 Correct 2 ms 468 KB n = 128
11 Correct 2 ms 468 KB n = 128
12 Correct 2 ms 424 KB n = 128
13 Correct 2 ms 468 KB n = 128
14 Correct 2 ms 468 KB n = 128
15 Correct 2 ms 468 KB n = 128

Subtask #5
30.0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 468 KB n = 128
2 Correct 2 ms 468 KB n = 128
3 Correct 2 ms 468 KB n = 128
4 Correct 2 ms 428 KB n = 128
5 Correct 2 ms 468 KB n = 128
6 Correct 2 ms 468 KB n = 128
7 Correct 1 ms 468 KB n = 128
8 Correct 1 ms 468 KB n = 128
9 Correct 2 ms 468 KB n = 128
10 Correct 2 ms 468 KB n = 128
11 Correct 1 ms 468 KB n = 128
12 Correct 2 ms 468 KB n = 128
13 Correct 2 ms 468 KB n = 128
14 Correct 2 ms 468 KB n = 128
15 Correct 3 ms 468 KB n = 128