Submission #839551

# Submission time Handle Problem Language Result Execution time Memory
839551 2023-08-30T08:59:02 Z model_code Coreputer (IOI23_coreputer) C++17
100 / 100
1 ms 276 KB
// correct/sol_db_N+logN-2.cpp

#include <bits/stdc++.h>
#include "coreputer.h"
using namespace std;

int ask(vector <int> q, int N) {
    if (q.size() >= N) {
		return 1;
    } else if (q.empty()) { 
		return -1;
    } else {
		return run_diagnostic(q);
	}
}

vector <int> malfunctioning_cores(int N) {
    auto fill = [](int endp) {
        vector <int> result;
        for (int i = 0; i < endp; ++i) result.push_back(i);
        return result;
    };
    int resp = 1, p = 0;
    vector <int> pre;
    for (int i = 3; i >= 0; --i) {
        int r = p + (1 << i);
        pre = fill(r);

        int res = ask(pre, N);
        if (res < 0) {
            p = r;
        } else {
            resp = res;
        }
    }
    pre = fill(++p);
    vector <int> ans(N, 0);

    int parity = resp & 1, last = p == N? N - 2: N - 1;
    for (int i = 0; i < N; ++i) {
        if (i == p - 1) {
            ans[i] = 1;
            parity ^= 1;
            continue;
        }
        if (i == last) {
            continue;
        }
        vector <int> simdiff = pre;
        auto it = find(simdiff.begin(), simdiff.end(), i);

        if (it != simdiff.end()) {
            simdiff.erase(it);
            ans[i] = ask(simdiff, N) != resp;
        } else {
            simdiff.pop_back();
            simdiff.push_back(i);
            ans[i] = ask(simdiff, N) == resp;
        }
        parity ^= ans[i];
    }
    ans[last] = parity;
    return ans;
}

Compilation message

coreputer.cpp: In function 'int ask(std::vector<int>, int)':
coreputer.cpp:8:18: warning: comparison of integer expressions of different signedness: 'std::vector<int>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
    8 |     if (q.size() >= N) {
      |         ~~~~~~~~~^~~~
# Verdict Execution time Memory Grader output
1 Correct 0 ms 208 KB Output is correct
2 Correct 0 ms 208 KB Output is correct
3 Correct 0 ms 276 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 0 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 0 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 0 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 0 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 0 ms 208 KB Output is correct
17 Correct 1 ms 208 KB Output is correct
18 Correct 1 ms 220 KB Output is correct
19 Correct 1 ms 220 KB Output is correct
20 Correct 0 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 0 ms 208 KB Output is correct
25 Correct 0 ms 208 KB Output is correct
26 Correct 0 ms 216 KB Output is correct
27 Correct 1 ms 208 KB Output is correct
28 Correct 1 ms 208 KB Output is correct
29 Correct 1 ms 208 KB Output is correct
30 Correct 1 ms 208 KB Output is correct
31 Correct 0 ms 208 KB Output is correct
32 Correct 0 ms 208 KB Output is correct
33 Correct 1 ms 208 KB Output is correct
34 Correct 1 ms 208 KB Output is correct
35 Correct 0 ms 208 KB Output is correct
36 Correct 1 ms 208 KB Output is correct
37 Correct 0 ms 208 KB Output is correct
38 Correct 0 ms 208 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 0 ms 208 KB Output is correct
2 Correct 0 ms 208 KB Output is correct
3 Correct 0 ms 276 KB Output is correct
4 Correct 0 ms 208 KB Output is correct
5 Correct 0 ms 208 KB Output is correct
6 Correct 0 ms 208 KB Output is correct
7 Correct 0 ms 208 KB Output is correct
8 Correct 0 ms 208 KB Output is correct
9 Correct 0 ms 208 KB Output is correct
10 Correct 1 ms 208 KB Output is correct
11 Correct 0 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 0 ms 208 KB Output is correct
16 Correct 1 ms 208 KB Output is correct
17 Correct 0 ms 208 KB Output is correct
18 Correct 1 ms 208 KB Output is correct
19 Correct 0 ms 208 KB Output is correct
20 Correct 1 ms 208 KB Output is correct
21 Correct 1 ms 220 KB Output is correct
22 Correct 1 ms 220 KB Output is correct
23 Correct 0 ms 208 KB Output is correct
24 Correct 0 ms 208 KB Output is correct
25 Correct 0 ms 208 KB Output is correct
26 Correct 0 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 216 KB Output is correct
30 Correct 1 ms 208 KB Output is correct
31 Correct 1 ms 208 KB Output is correct
32 Correct 1 ms 208 KB Output is correct
33 Correct 1 ms 208 KB Output is correct
34 Correct 0 ms 208 KB Output is correct
35 Correct 0 ms 208 KB Output is correct
36 Correct 1 ms 208 KB Output is correct
37 Correct 1 ms 208 KB Output is correct
38 Correct 0 ms 208 KB Output is correct
39 Correct 1 ms 208 KB Output is correct
40 Correct 0 ms 208 KB Output is correct
41 Correct 0 ms 208 KB Output is correct
42 Correct 0 ms 208 KB Output is correct
43 Correct 1 ms 208 KB Output is correct
44 Correct 0 ms 208 KB Output is correct
45 Correct 1 ms 208 KB Output is correct
46 Correct 0 ms 208 KB Output is correct
47 Correct 0 ms 208 KB Output is correct
48 Correct 0 ms 208 KB Output is correct
49 Correct 0 ms 208 KB Output is correct
50 Correct 0 ms 208 KB Output is correct
51 Correct 0 ms 208 KB Output is correct
52 Correct 0 ms 208 KB Output is correct
53 Correct 0 ms 208 KB Output is correct
54 Correct 0 ms 208 KB Output is correct
55 Correct 1 ms 208 KB Output is correct
56 Correct 0 ms 208 KB Output is correct
57 Correct 0 ms 208 KB Output is correct
58 Correct 0 ms 208 KB Output is correct
59 Correct 0 ms 208 KB Output is correct
60 Correct 0 ms 208 KB Output is correct
61 Correct 1 ms 208 KB Output is correct
62 Correct 0 ms 208 KB Output is correct
63 Correct 0 ms 208 KB Output is correct
64 Correct 0 ms 208 KB Output is correct
65 Correct 0 ms 208 KB Output is correct
66 Correct 0 ms 208 KB Output is correct
67 Correct 1 ms 208 KB Output is correct
68 Correct 0 ms 208 KB Output is correct
69 Correct 0 ms 208 KB Output is correct
70 Correct 0 ms 208 KB Output is correct
71 Correct 0 ms 208 KB Output is correct
72 Correct 0 ms 208 KB Output is correct
73 Correct 1 ms 208 KB Output is correct
74 Correct 1 ms 208 KB Output is correct
75 Correct 1 ms 208 KB Output is correct
76 Correct 0 ms 208 KB Output is correct
77 Correct 1 ms 208 KB Output is correct
78 Correct 0 ms 208 KB Output is correct
79 Correct 1 ms 208 KB Output is correct
80 Correct 1 ms 256 KB Output is correct
81 Correct 1 ms 256 KB Output is correct
82 Correct 0 ms 208 KB Output is correct