답안 #825978

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
825978 2023-08-15T09:40:57 Z PixelCat 드문 곤충 (IOI22_insects) C++17
99.89 / 100
53 ms 436 KB
#include "insects.h"

#ifdef NYAOWO
#include "stub.cpp"
#endif

#include <bits/stdc++.h>
#define For(i, a, b) for(int i = a; i <= b; i++)
#define Forr(i, a, b) for(int i = a; i >= b; i--)
#define F first
#define S second
#define all(x) x.begin(), x.end()
#define sz(x) ((int)x.size())
#define eb emplace_back
// #define int LL
using namespace std;
using i32 = int32_t;
using LL = long long;
using pii = pair<int, int>;

int find_types(vector<int> &sus) {
    vector<int> rep;
    vector<int> uwu;
    for(auto &i:sus) {
        move_inside(i);
        if(press_button() == 1) {
            rep.eb(i);
        } else {
            move_outside(i);
            uwu.eb(i);
        }
    }
    sus = uwu;
    // for(auto &i:rep) move_outside(i);
    return sz(rep);
}

// # of all types >= k ?
bool check(int k, int m, vector<int> &sus, int good) {
    if(sz(sus) < k * m) return false;
    // for(auto &i:sus) cerr << i << " ";
    vector<int> owo;
    vector<int> uwu;
    for(auto &i:sus) {
        move_inside(i);
        if(press_button() > k + good) {
            uwu.eb(i);
            move_outside(i);
        } else {
            owo.eb(i);
        }
    }
    // cerr << " - " << k << " " << sz(owo) + good << " " << (m * k == sz(owo) + good) << "\n";
    if(m * k == sz(owo)) {
        sus = uwu;
        return true;
    }
    sus = owo;
    for(auto &i:owo) move_outside(i);
    return false;
}

int min_cardinality(int n) {

    vector<int> sus;
    For(i, 0, n - 1) sus.eb(i);
    random_shuffle(all(sus));

    int m = find_types(sus);
    cerr << m << "\n";

    int hi = n / m + 1, lo = 1;
    while(hi - lo > 1) {
        int mi = (hi - lo) / 2;
        if(check(mi, m, sus, lo)) lo += mi;
        else hi = lo + mi;
    }
    return lo;
}

/*

6
5 8 9 5 9 9

1
7

*/
# 결과 실행 시간 메모리 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 1 ms 208 KB Output is correct
5 Correct 0 ms 208 KB Output is correct
6 Correct 5 ms 304 KB Output is correct
7 Correct 1 ms 208 KB Output is correct
8 Correct 5 ms 300 KB Output is correct
9 Correct 6 ms 208 KB Output is correct
10 Correct 4 ms 304 KB Output is correct
11 Correct 1 ms 208 KB Output is correct
12 Correct 4 ms 208 KB Output is correct
13 Correct 6 ms 208 KB Output is correct
14 Correct 4 ms 300 KB Output is correct
15 Correct 4 ms 208 KB Output is correct
16 Correct 4 ms 208 KB Output is correct
17 Correct 3 ms 336 KB Output is correct
18 Correct 5 ms 208 KB Output is correct
19 Correct 4 ms 208 KB Output is correct
20 Correct 3 ms 208 KB Output is correct
21 Correct 3 ms 208 KB Output is correct
22 Correct 1 ms 208 KB Output is correct
# 결과 실행 시간 메모리 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 1 ms 208 KB Output is correct
5 Correct 0 ms 208 KB Output is correct
6 Correct 5 ms 304 KB Output is correct
7 Correct 1 ms 208 KB Output is correct
8 Correct 5 ms 300 KB Output is correct
9 Correct 6 ms 208 KB Output is correct
10 Correct 4 ms 304 KB Output is correct
11 Correct 1 ms 208 KB Output is correct
12 Correct 4 ms 208 KB Output is correct
13 Correct 6 ms 208 KB Output is correct
14 Correct 4 ms 300 KB Output is correct
15 Correct 4 ms 208 KB Output is correct
16 Correct 4 ms 208 KB Output is correct
17 Correct 3 ms 336 KB Output is correct
18 Correct 5 ms 208 KB Output is correct
19 Correct 4 ms 208 KB Output is correct
20 Correct 3 ms 208 KB Output is correct
21 Correct 3 ms 208 KB Output is correct
22 Correct 1 ms 208 KB Output is correct
23 Correct 19 ms 208 KB Output is correct
24 Correct 6 ms 308 KB Output is correct
25 Correct 18 ms 316 KB Output is correct
26 Correct 15 ms 304 KB Output is correct
27 Correct 19 ms 316 KB Output is correct
28 Correct 5 ms 308 KB Output is correct
29 Correct 27 ms 308 KB Output is correct
30 Correct 24 ms 208 KB Output is correct
31 Correct 18 ms 320 KB Output is correct
32 Correct 13 ms 316 KB Output is correct
33 Correct 20 ms 308 KB Output is correct
34 Correct 18 ms 316 KB Output is correct
35 Correct 16 ms 312 KB Output is correct
36 Correct 17 ms 316 KB Output is correct
37 Correct 19 ms 312 KB Output is correct
38 Correct 17 ms 316 KB Output is correct
39 Correct 16 ms 320 KB Output is correct
40 Correct 8 ms 312 KB Output is correct
41 Correct 7 ms 308 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 208 KB Output is correct
2 Correct 0 ms 304 KB Output is correct
3 Correct 0 ms 208 KB Output is correct
4 Correct 1 ms 208 KB Output is correct
5 Correct 0 ms 208 KB Output is correct
6 Correct 1 ms 208 KB Output is correct
7 Correct 52 ms 308 KB Output is correct
8 Correct 14 ms 312 KB Output is correct
9 Correct 43 ms 316 KB Output is correct
10 Correct 32 ms 308 KB Output is correct
11 Correct 19 ms 324 KB Output is correct
12 Correct 17 ms 308 KB Output is correct
13 Correct 44 ms 320 KB Output is correct
14 Correct 21 ms 208 KB Output is correct
15 Correct 43 ms 316 KB Output is correct
16 Correct 49 ms 308 KB Output is correct
17 Correct 40 ms 316 KB Output is correct
18 Correct 24 ms 312 KB Output is correct
19 Partially correct 46 ms 316 KB Output is partially correct
20 Correct 41 ms 312 KB Output is correct
21 Correct 39 ms 312 KB Output is correct
22 Correct 23 ms 312 KB Output is correct
23 Correct 31 ms 320 KB Output is correct
24 Correct 22 ms 436 KB Output is correct
25 Correct 18 ms 316 KB Output is correct
26 Correct 13 ms 304 KB Output is correct
27 Correct 31 ms 312 KB Output is correct
28 Correct 27 ms 312 KB Output is correct
29 Partially correct 49 ms 312 KB Output is partially correct
30 Partially correct 36 ms 208 KB Output is partially correct
31 Correct 32 ms 208 KB Output is correct
32 Correct 36 ms 312 KB Output is correct
33 Correct 50 ms 312 KB Output is correct
34 Correct 30 ms 308 KB Output is correct
35 Partially correct 32 ms 320 KB Output is partially correct
36 Partially correct 27 ms 208 KB Output is partially correct
37 Correct 24 ms 308 KB Output is correct
38 Correct 42 ms 208 KB Output is correct
39 Correct 31 ms 316 KB Output is correct
40 Correct 37 ms 320 KB Output is correct
41 Partially correct 26 ms 312 KB Output is partially correct
42 Partially correct 53 ms 320 KB Output is partially correct
43 Correct 10 ms 308 KB Output is correct
44 Correct 24 ms 208 KB Output is correct
45 Correct 26 ms 324 KB Output is correct
46 Correct 24 ms 316 KB Output is correct
47 Correct 14 ms 316 KB Output is correct
48 Correct 18 ms 304 KB Output is correct