oj.uz

Submission #1054634

# Submission time Handle Problem Language Result Execution time Memory
1054634 2024-08-12T11:16:45 Z shmax Rarest Insects (IOI22_insects) C++17
25 / 100
 227 ms 848 KB 
#include "insects.h"
#include <bits/stdc++.h>

using namespace std;
#define len(x) ((int)(x.size()))
#define all(x) x.begin(), x.end()
template<typename T>
using vec = vector<T>;

template<typename T>
using graph = vec<vec<T>>;


mt19937 rnd(2312);

int min_cardinality(int n) {
    graph<int> g(n);
    auto connect = [&](int u, int v) {
        g[u].push_back(v);
        g[v].push_back(u);
    };
    vec<int> ord(n);
    int diff = 0;
    vec<int> in;
    for (int i = 0; i < n; i++) {
        move_inside(i);
        if (press_button() > 1) {
            move_outside(i);
        } else {
            diff++;
            in.push_back(i);
        }
    }
    for (auto x: in) {
        move_outside(x);
    }
    int tcnt = n;
    int tl = 1;
    int tr = tcnt;
    iota(all(ord), 0);
    auto check = [&](int x) {
        int cnt = 0;
        vec<int> ins;
        for (int i: ord) {
            move_inside(i);
            if (press_button() > x) {
                move_outside(i);
            } else {
                cnt++;
                ins.push_back(i);
            }
            if (cnt == x * diff) break;
        }
        for (auto y: ins) {
            move_outside(y);
        }
        tcnt = cnt;
        return cnt == x * diff;
    };

    while (tr > 2) {
        int tm = tr / diff;
        if (check(tm)) {
            return tm;
        } else {
            tr = tcnt;
        }
    }
    if (check(2)) {
        return 2;
    }
    return 1;
}

Compilation message

insects.cpp: In function 'int min_cardinality(int)':
insects.cpp:18:10: warning: variable 'connect' set but not used [-Wunused-but-set-variable]
   18 |     auto connect = [&](int u, int v) {
      |          ^~~~~~~
insects.cpp:38:9: warning: unused variable 'tl' [-Wunused-variable]
   38 |     int tl = 1;
      |         ^~

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 0 ms 344 KB Output is correct
3 Correct 0 ms 344 KB Output is correct
4 Correct 0 ms 344 KB Output is correct
5 Correct 0 ms 344 KB Output is correct
6 Correct 2 ms 344 KB Output is correct
7 Correct 2 ms 344 KB Output is correct
8 Correct 2 ms 344 KB Output is correct
9 Correct 7 ms 344 KB Output is correct
10 Correct 4 ms 344 KB Output is correct
11 Correct 2 ms 344 KB Output is correct
12 Correct 9 ms 344 KB Output is correct
13 Correct 9 ms 344 KB Output is correct
14 Correct 6 ms 344 KB Output is correct
15 Correct 3 ms 344 KB Output is correct
16 Correct 4 ms 344 KB Output is correct
17 Correct 7 ms 344 KB Output is correct
18 Correct 11 ms 344 KB Output is correct
19 Correct 6 ms 344 KB Output is correct
20 Correct 5 ms 436 KB Output is correct
21 Correct 2 ms 344 KB Output is correct
22 Correct 2 ms 344 KB Output is correct

Subtask #2
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 0 ms 344 KB Output is correct
3 Correct 0 ms 344 KB Output is correct
4 Correct 0 ms 344 KB Output is correct
5 Correct 0 ms 344 KB Output is correct
6 Correct 2 ms 344 KB Output is correct
7 Correct 2 ms 344 KB Output is correct
8 Correct 2 ms 344 KB Output is correct
9 Correct 7 ms 344 KB Output is correct
10 Correct 4 ms 344 KB Output is correct
11 Correct 2 ms 344 KB Output is correct
12 Correct 9 ms 344 KB Output is correct
13 Correct 9 ms 344 KB Output is correct
14 Correct 6 ms 344 KB Output is correct
15 Correct 3 ms 344 KB Output is correct
16 Correct 4 ms 344 KB Output is correct
17 Correct 7 ms 344 KB Output is correct
18 Correct 11 ms 344 KB Output is correct
19 Correct 6 ms 344 KB Output is correct
20 Correct 5 ms 436 KB Output is correct
21 Correct 2 ms 344 KB Output is correct
22 Correct 2 ms 344 KB Output is correct
23 Correct 11 ms 344 KB Output is correct
24 Correct 9 ms 344 KB Output is correct
25 Correct 8 ms 340 KB Output is correct
26 Correct 68 ms 468 KB Output is correct
27 Correct 54 ms 464 KB Output is correct
28 Correct 12 ms 460 KB Output is correct
29 Correct 130 ms 344 KB Output is correct
30 Correct 174 ms 468 KB Output is correct
31 Correct 31 ms 344 KB Output is correct
32 Correct 46 ms 468 KB Output is correct
33 Correct 79 ms 600 KB Output is correct
34 Correct 73 ms 448 KB Output is correct
35 Correct 31 ms 344 KB Output is correct
36 Correct 45 ms 344 KB Output is correct
37 Correct 28 ms 344 KB Output is correct
38 Correct 33 ms 452 KB Output is correct
39 Correct 14 ms 344 KB Output is correct
40 Correct 15 ms 344 KB Output is correct
41 Correct 9 ms 720 KB Output is correct

Subtask #3
0 / 75.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 0 ms 344 KB Output is correct
3 Correct 0 ms 344 KB Output is correct
4 Correct 0 ms 344 KB Output is correct
5 Partially correct 0 ms 344 KB Output is partially correct
6 Correct 0 ms 344 KB Output is correct
7 Correct 14 ms 496 KB Output is correct
8 Correct 20 ms 848 KB Output is correct
9 Correct 16 ms 484 KB Output is correct
10 Partially correct 176 ms 728 KB Output is partially correct
11 Partially correct 116 ms 344 KB Output is partially correct
12 Correct 31 ms 600 KB Output is correct
13 Incorrect 227 ms 736 KB Too many queries.
14 Halted 0 ms 0 KB -