oj.uz

Submission #1069905

# Submission time Handle Problem Language Result Execution time Memory
1069905 2024-08-22T09:53:15 Z j_vdd16 Rarest Insects (IOI22_insects) C++17
91.9 / 100
 60 ms 596 KB 
#include "insects.h"

#include <algorithm>
#include <bitset>
#include <cstdint>
#include <cstring>
#include <iostream>
#include <limits.h>
#include <math.h>
#include <map>
#include <numeric>
#include <queue>
#include <set>
#include <stack>
#include <string>
#include <vector>

//#define int long long
#define loop(X, N) for(int X = 0; X < (N); X++)
#define all(V) V.begin(), V.end()
#define rall(V) V.rbegin(), V.rend()

using namespace std;

typedef vector<int> vi;
typedef vector<vi> vvi;
typedef pair<int, int> ii;
typedef vector<ii> vii;
typedef vector<vector<ii>> vvii;
typedef vector<bool> vb;
typedef vector<vector<bool>> vvb;

typedef uint64_t u64;
typedef int64_t i64;

int min_cardinality(int N) {
    vb isDone(N);

    vi madeItBigger(N, 0);
    vb isRemoved(N);
    loop(i, N) {
        move_inside(i);

        int res = press_button();
        if (res > 1) {
            madeItBigger[i] = 1;
            move_outside(i);
            isRemoved[i] = true;
        }
    }

    int diffCount = 0;
    loop(i, N) {
        if (!isRemoved[i]) {
            diffCount++;
            isDone[i] = true;
        }
    }

    int prevRes = 1;
    loop(i, N) {
        if (isDone[i]) continue;

        move_inside(i);
        int res = press_button();
        if (res > prevRes) {
            madeItBigger[i] = max(madeItBigger[i], prevRes);
            prevRes = res;
        }
    }
    int maxCount = prevRes;
    loop(i, N) {
        if (isDone[i]) continue;

        move_outside(i);
    }

    int total = N;
    vi possible;
    for (int x = 1; x <= N; x++) {
        if (diffCount == 2 && x + maxCount != total) continue;
        if (diffCount == 1 && (x != maxCount || x != total)) continue;

        if ((diffCount - 1) * x + maxCount <= total && total <= (diffCount - 1) * maxCount + x) {
            possible.push_back(x);
        }
    }

    int extra = 1;
    int l = 0, r = possible.size() - 1;
    while (l < r) {
        //int m = (4 * l + r + 4) / 5;
        int m = (2 * l + r + 2) / 3;

        int lessThanM = diffCount * extra;
        isRemoved = vb(N);

        int prevPress = extra;
        loop(i, N) {
            if (isDone[i]) continue;

            if (madeItBigger[i] >= possible[m]) {
                isRemoved[i] = true;
            }
            else {
                move_inside(i);
                int res = press_button();
                if (res > prevPress) {
                    madeItBigger[i] = max(madeItBigger[i], prevPress);
                    prevPress = res;
                }

                if (res > possible[m]) {
                    madeItBigger[i] = max(madeItBigger[i], possible[m]);
                    move_outside(i);
                    isRemoved[i] = true;
                }
                else {
                    lessThanM++;
                }
            }
        }

        if (lessThanM == diffCount * possible[m]) {
            l = m;
            loop(i, N) {
                if (!isRemoved[i] && !isDone[i]) {
                    isDone[i] = true;
                }
            }

            extra = possible[m];
        }
        else {
            r = m - 1;

            loop(i, N) {
                if (!isRemoved[i] && !isDone[i]) {
                    move_outside(i);
                }
            }
        }
    }

    return possible[l];
}

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 340 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 4 ms 344 KB Output is correct
9 Correct 4 ms 344 KB Output is correct
10 Correct 2 ms 344 KB Output is correct
11 Correct 2 ms 596 KB Output is correct
12 Correct 3 ms 344 KB Output is correct
13 Correct 4 ms 344 KB Output is correct
14 Correct 4 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 4 ms 344 KB Output is correct
18 Correct 4 ms 344 KB Output is correct
19 Correct 4 ms 344 KB Output is correct
20 Correct 2 ms 344 KB Output is correct
21 Correct 2 ms 344 KB Output is correct
22 Correct 1 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 340 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 4 ms 344 KB Output is correct
9 Correct 4 ms 344 KB Output is correct
10 Correct 2 ms 344 KB Output is correct
11 Correct 2 ms 596 KB Output is correct
12 Correct 3 ms 344 KB Output is correct
13 Correct 4 ms 344 KB Output is correct
14 Correct 4 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 4 ms 344 KB Output is correct
18 Correct 4 ms 344 KB Output is correct
19 Correct 4 ms 344 KB Output is correct
20 Correct 2 ms 344 KB Output is correct
21 Correct 2 ms 344 KB Output is correct
22 Correct 1 ms 344 KB Output is correct
23 Correct 6 ms 344 KB Output is correct
24 Correct 5 ms 344 KB Output is correct
25 Correct 25 ms 344 KB Output is correct
26 Correct 16 ms 344 KB Output is correct
27 Correct 9 ms 344 KB Output is correct
28 Correct 7 ms 344 KB Output is correct
29 Correct 16 ms 416 KB Output is correct
30 Correct 21 ms 344 KB Output is correct
31 Correct 12 ms 344 KB Output is correct
32 Correct 29 ms 344 KB Output is correct
33 Correct 36 ms 344 KB Output is correct
34 Correct 18 ms 344 KB Output is correct
35 Correct 24 ms 344 KB Output is correct
36 Correct 24 ms 344 KB Output is correct
37 Correct 26 ms 344 KB Output is correct
38 Correct 16 ms 344 KB Output is correct
39 Correct 14 ms 344 KB Output is correct
40 Correct 12 ms 344 KB Output is correct
41 Correct 6 ms 344 KB Output is correct

Subtask #3
66.9 / 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 Correct 0 ms 344 KB Output is correct
6 Correct 0 ms 344 KB Output is correct
7 Correct 20 ms 344 KB Output is correct
8 Correct 8 ms 344 KB Output is correct
9 Partially correct 60 ms 592 KB Output is partially correct
10 Partially correct 53 ms 424 KB Output is partially correct
11 Correct 25 ms 592 KB Output is correct
12 Correct 16 ms 420 KB Output is correct
13 Partially correct 36 ms 416 KB Output is partially correct
14 Partially correct 45 ms 344 KB Output is partially correct
15 Partially correct 38 ms 420 KB Output is partially correct
16 Partially correct 55 ms 596 KB Output is partially correct
17 Partially correct 43 ms 416 KB Output is partially correct
18 Partially correct 45 ms 416 KB Output is partially correct
19 Partially correct 50 ms 416 KB Output is partially correct
20 Partially correct 52 ms 592 KB Output is partially correct
21 Partially correct 56 ms 592 KB Output is partially correct
22 Partially correct 44 ms 344 KB Output is partially correct
23 Partially correct 28 ms 344 KB Output is partially correct
24 Correct 35 ms 424 KB Output is correct
25 Correct 21 ms 344 KB Output is correct
26 Correct 11 ms 344 KB Output is correct
27 Correct 29 ms 420 KB Output is correct
28 Correct 21 ms 592 KB Output is correct
29 Partially correct 52 ms 344 KB Output is partially correct
30 Partially correct 45 ms 440 KB Output is partially correct
31 Partially correct 36 ms 344 KB Output is partially correct
32 Partially correct 37 ms 436 KB Output is partially correct
33 Partially correct 45 ms 592 KB Output is partially correct
34 Partially correct 35 ms 592 KB Output is partially correct
35 Correct 28 ms 344 KB Output is correct
36 Correct 26 ms 344 KB Output is correct
37 Partially correct 41 ms 344 KB Output is partially correct
38 Partially correct 42 ms 344 KB Output is partially correct
39 Partially correct 49 ms 420 KB Output is partially correct
40 Partially correct 33 ms 344 KB Output is partially correct
41 Partially correct 30 ms 596 KB Output is partially correct
42 Partially correct 37 ms 344 KB Output is partially correct
43 Correct 6 ms 344 KB Output is correct
44 Correct 23 ms 436 KB Output is correct
45 Correct 20 ms 420 KB Output is correct
46 Correct 14 ms 344 KB Output is correct
47 Correct 24 ms 420 KB Output is correct
48 Correct 24 ms 592 KB Output is correct