Submission #848553

# Submission time Handle Problem Language Result Execution time Memory
848553 2023-09-12T21:53:23 Z Itamar Rarest Insects (IOI22_insects) C++17
75.04 / 100
66 ms 856 KB
#include <cassert>
#include <cstdio>
#include <insects.h>
#include <algorithm>
#include <map>
#include <set>
#include <string>
#include <vector>
#pragma warning(disable : 4996)
using namespace std;
#define vi vector<int>
/*
 int kMaxQueries = 40000;

static int N;
// Insect types are compressed to colors in the range [0, N).
static std::vector<int> color;
static std::vector<bool> in_box;

static std::vector<int> color_occurrences;
static std::multiset<int> max_occurrences;

static std::vector<int> op_counter(3, 0);

static inline void protocol_violation(std::string message) {
    printf("Protocol Violation: %s\n", message.c_str());
    exit(0);
}

void move_inside(int i) {
    if (i < 0 || i >= N) {
        protocol_violation("invalid parameter");
    }
    ++op_counter[0];
    if (op_counter[0] > kMaxQueries) {
        protocol_violation("too many calls");
    }
    if (!in_box[i]) {
        in_box[i] = true;
        max_occurrences.erase(max_occurrences.find(color_occurrences[color[i]]));
        ++color_occurrences[color[i]];
        max_occurrences.insert(color_occurrences[color[i]]);
    }
}

void move_outside(int i) {
    if (i < 0 || i >= N) {
        protocol_violation("invalid parameter");
    }
    ++op_counter[1];
    if (op_counter[1] > kMaxQueries) {
        protocol_violation("too many calls");
    }
    if (in_box[i]) {
        in_box[i] = false;
        max_occurrences.erase(max_occurrences.find(color_occurrences[color[i]]));
        --color_occurrences[color[i]];
        max_occurrences.insert(color_occurrences[color[i]]);
    }
}

int press_button() {
    ++op_counter[2];
    if (op_counter[2] > kMaxQueries) {
        protocol_violation("too many calls");
    }
    return *(max_occurrences.rbegin());
}

*/



int min_cardinality(int N) {
    int sum = 0;
    vector<bool> in(N);
    for (int i = 0; i < N; i++) {
        move_inside(i);
        sum++;
        in[i] = 1;
        if (press_button() > 1) {
            move_outside(i);
            sum--;
            in[i] = 0;
        }
    }
    const int n = N;
    const int num = sum;

    //int cur = 1;

    int s = 1, e = N / num;
    vi col_siz(N);
    vi my_col(N, -1);
    vi good;
    for (int i = 0; i < n; i++)if (in[i])good.push_back(i);
    if (num <= 8) {
        for (int i = 0; i < n; i++) {
            if (in[i]) {
                my_col[i] = i;
                col_siz[i]++;
                move_outside(i);
            }
        }
        for (int i = 0; i < n; i++) {
            if (!in[i]) {
                move_inside(i);
                random_shuffle(good.begin(), good.end());
                for(int j : good){
                        move_inside(j);
                        if (press_button() == 2) {
                            my_col[i] = j;
                            col_siz[j]++;
                            move_outside(j);
                            move_outside(i);
                            break;
                        }
                        move_outside(j);
                }
                
            }
        }
        int mini = 1e9;
        for (int i = 0; i < n; i++) {
            if (col_siz[i] > 0 && col_siz[i] < mini) {
                mini = col_siz[i];
            }
        }
        return mini;
    }
    else {
        while (s != e) {
            int mid = (3 * s + 1 * e + 3) / 4;
            vi ne;
            for (int i = 0; i < n; i++) {
                if (!in[i]) {
                    move_inside(i);
                    if (press_button() > mid) {
                        move_outside(i);
                    }
                    else {
                        in[i] = 1;
                        ne.push_back(i);
                        sum++;
                    }
                }
            }
            if (sum == mid * num) {
                s = mid;
            }
            else {
                e = mid - 1;

                for (int x : ne) {
                    move_outside(x);
                    sum--;
                    in[x] = 0;
                }
            }
        }

        return s;
    }
}

Compilation message

insects.cpp:9: warning: ignoring '#pragma warning ' [-Wunknown-pragmas]
    9 | #pragma warning(disable : 4996)
      |
# 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 1 ms 344 KB Output is correct
8 Correct 3 ms 344 KB Output is correct
9 Correct 3 ms 596 KB Output is correct
10 Correct 2 ms 344 KB Output is correct
11 Correct 1 ms 344 KB Output is correct
12 Correct 3 ms 344 KB Output is correct
13 Correct 2 ms 344 KB Output is correct
14 Correct 3 ms 344 KB Output is correct
15 Correct 4 ms 344 KB Output is correct
16 Correct 3 ms 344 KB Output is correct
17 Correct 3 ms 600 KB Output is correct
18 Correct 3 ms 600 KB Output is correct
19 Correct 2 ms 344 KB Output is correct
20 Correct 2 ms 344 KB Output is correct
21 Correct 1 ms 600 KB Output is correct
22 Correct 1 ms 600 KB Output is correct
# 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 1 ms 344 KB Output is correct
8 Correct 3 ms 344 KB Output is correct
9 Correct 3 ms 596 KB Output is correct
10 Correct 2 ms 344 KB Output is correct
11 Correct 1 ms 344 KB Output is correct
12 Correct 3 ms 344 KB Output is correct
13 Correct 2 ms 344 KB Output is correct
14 Correct 3 ms 344 KB Output is correct
15 Correct 4 ms 344 KB Output is correct
16 Correct 3 ms 344 KB Output is correct
17 Correct 3 ms 600 KB Output is correct
18 Correct 3 ms 600 KB Output is correct
19 Correct 2 ms 344 KB Output is correct
20 Correct 2 ms 344 KB Output is correct
21 Correct 1 ms 600 KB Output is correct
22 Correct 1 ms 600 KB Output is correct
23 Correct 8 ms 424 KB Output is correct
24 Correct 4 ms 424 KB Output is correct
25 Correct 25 ms 600 KB Output is correct
26 Correct 22 ms 424 KB Output is correct
27 Correct 11 ms 600 KB Output is correct
28 Correct 5 ms 428 KB Output is correct
29 Correct 16 ms 420 KB Output is correct
30 Correct 20 ms 344 KB Output is correct
31 Correct 24 ms 424 KB Output is correct
32 Correct 25 ms 344 KB Output is correct
33 Correct 21 ms 344 KB Output is correct
34 Correct 22 ms 600 KB Output is correct
35 Correct 26 ms 856 KB Output is correct
36 Correct 27 ms 428 KB Output is correct
37 Correct 19 ms 600 KB Output is correct
38 Correct 16 ms 856 KB Output is correct
39 Correct 10 ms 420 KB Output is correct
40 Correct 9 ms 344 KB Output is correct
41 Correct 4 ms 600 KB Output is correct
# 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 592 KB Output is correct
6 Partially correct 0 ms 344 KB Output is partially correct
7 Correct 23 ms 600 KB Output is correct
8 Correct 8 ms 420 KB Output is correct
9 Partially correct 46 ms 400 KB Output is partially correct
10 Partially correct 40 ms 652 KB Output is partially correct
11 Partially correct 22 ms 592 KB Output is partially correct
12 Correct 12 ms 592 KB Output is correct
13 Partially correct 46 ms 420 KB Output is partially correct
14 Partially correct 33 ms 500 KB Output is partially correct
15 Partially correct 46 ms 592 KB Output is partially correct
16 Partially correct 66 ms 592 KB Output is partially correct
17 Partially correct 55 ms 600 KB Output is partially correct
18 Partially correct 55 ms 600 KB Output is partially correct
19 Partially correct 60 ms 592 KB Output is partially correct
20 Partially correct 46 ms 588 KB Output is partially correct
21 Partially correct 52 ms 848 KB Output is partially correct
22 Partially correct 38 ms 600 KB Output is partially correct
23 Correct 29 ms 420 KB Output is correct
24 Correct 15 ms 856 KB Output is correct
25 Correct 16 ms 680 KB Output is correct
26 Correct 8 ms 424 KB Output is correct
27 Partially correct 53 ms 600 KB Output is partially correct
28 Partially correct 46 ms 416 KB Output is partially correct
29 Partially correct 53 ms 592 KB Output is partially correct
30 Partially correct 48 ms 600 KB Output is partially correct
31 Partially correct 46 ms 600 KB Output is partially correct
32 Partially correct 48 ms 676 KB Output is partially correct
33 Partially correct 51 ms 600 KB Output is partially correct
34 Partially correct 36 ms 344 KB Output is partially correct
35 Partially correct 46 ms 652 KB Output is partially correct
36 Partially correct 46 ms 420 KB Output is partially correct
37 Partially correct 58 ms 416 KB Output is partially correct
38 Partially correct 65 ms 600 KB Output is partially correct
39 Partially correct 42 ms 344 KB Output is partially correct
40 Partially correct 57 ms 592 KB Output is partially correct
41 Partially correct 47 ms 588 KB Output is partially correct
42 Partially correct 42 ms 600 KB Output is partially correct
43 Partially correct 9 ms 600 KB Output is partially correct
44 Partially correct 45 ms 396 KB Output is partially correct
45 Partially correct 27 ms 412 KB Output is partially correct
46 Correct 14 ms 592 KB Output is correct
47 Correct 13 ms 344 KB Output is correct
48 Correct 14 ms 344 KB Output is correct