답안 #825983

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
825983 2023-08-15T09:42:00 Z PixelCat 드문 곤충 (IOI22_insects) C++17
99.79 / 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 + 1) / 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 1 ms 256 KB Output is correct
2 Correct 0 ms 208 KB Output is correct
3 Correct 0 ms 304 KB Output is correct
4 Correct 1 ms 208 KB Output is correct
5 Correct 1 ms 336 KB Output is correct
6 Correct 4 ms 304 KB Output is correct
7 Correct 2 ms 304 KB Output is correct
8 Correct 4 ms 308 KB Output is correct
9 Correct 5 ms 208 KB Output is correct
10 Correct 4 ms 304 KB Output is correct
11 Correct 3 ms 296 KB Output is correct
12 Correct 5 ms 304 KB Output is correct
13 Correct 5 ms 208 KB Output is correct
14 Correct 4 ms 304 KB Output is correct
15 Correct 3 ms 304 KB Output is correct
16 Correct 4 ms 208 KB Output is correct
17 Correct 4 ms 208 KB Output is correct
18 Correct 4 ms 208 KB Output is correct
19 Correct 4 ms 208 KB Output is correct
20 Correct 5 ms 308 KB Output is correct
21 Correct 2 ms 304 KB Output is correct
22 Correct 2 ms 208 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 256 KB Output is correct
2 Correct 0 ms 208 KB Output is correct
3 Correct 0 ms 304 KB Output is correct
4 Correct 1 ms 208 KB Output is correct
5 Correct 1 ms 336 KB Output is correct
6 Correct 4 ms 304 KB Output is correct
7 Correct 2 ms 304 KB Output is correct
8 Correct 4 ms 308 KB Output is correct
9 Correct 5 ms 208 KB Output is correct
10 Correct 4 ms 304 KB Output is correct
11 Correct 3 ms 296 KB Output is correct
12 Correct 5 ms 304 KB Output is correct
13 Correct 5 ms 208 KB Output is correct
14 Correct 4 ms 304 KB Output is correct
15 Correct 3 ms 304 KB Output is correct
16 Correct 4 ms 208 KB Output is correct
17 Correct 4 ms 208 KB Output is correct
18 Correct 4 ms 208 KB Output is correct
19 Correct 4 ms 208 KB Output is correct
20 Correct 5 ms 308 KB Output is correct
21 Correct 2 ms 304 KB Output is correct
22 Correct 2 ms 208 KB Output is correct
23 Correct 20 ms 312 KB Output is correct
24 Correct 8 ms 208 KB Output is correct
25 Correct 26 ms 316 KB Output is correct
26 Correct 13 ms 308 KB Output is correct
27 Correct 20 ms 208 KB Output is correct
28 Correct 7 ms 308 KB Output is correct
29 Correct 14 ms 308 KB Output is correct
30 Correct 21 ms 312 KB Output is correct
31 Correct 28 ms 304 KB Output is correct
32 Correct 27 ms 312 KB Output is correct
33 Correct 27 ms 304 KB Output is correct
34 Correct 20 ms 320 KB Output is correct
35 Correct 19 ms 312 KB Output is correct
36 Correct 21 ms 312 KB Output is correct
37 Correct 20 ms 308 KB Output is correct
38 Correct 15 ms 308 KB Output is correct
39 Correct 25 ms 304 KB Output is correct
40 Correct 8 ms 312 KB Output is correct
41 Correct 7 ms 288 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 300 KB Output is correct
2 Correct 1 ms 300 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 1 ms 208 KB Output is correct
7 Correct 52 ms 316 KB Output is correct
8 Correct 14 ms 320 KB Output is correct
9 Correct 37 ms 316 KB Output is correct
10 Correct 36 ms 316 KB Output is correct
11 Correct 20 ms 332 KB Output is correct
12 Correct 27 ms 316 KB Output is correct
13 Correct 45 ms 320 KB Output is correct
14 Correct 37 ms 320 KB Output is correct
15 Correct 37 ms 312 KB Output is correct
16 Correct 47 ms 320 KB Output is correct
17 Correct 37 ms 324 KB Output is correct
18 Correct 30 ms 332 KB Output is correct
19 Correct 47 ms 316 KB Output is correct
20 Correct 37 ms 316 KB Output is correct
21 Correct 38 ms 316 KB Output is correct
22 Correct 48 ms 324 KB Output is correct
23 Correct 51 ms 316 KB Output is correct
24 Correct 30 ms 312 KB Output is correct
25 Correct 24 ms 312 KB Output is correct
26 Correct 16 ms 304 KB Output is correct
27 Correct 35 ms 308 KB Output is correct
28 Correct 39 ms 308 KB Output is correct
29 Correct 32 ms 324 KB Output is correct
30 Correct 43 ms 308 KB Output is correct
31 Correct 33 ms 312 KB Output is correct
32 Correct 40 ms 328 KB Output is correct
33 Partially correct 41 ms 332 KB Output is partially correct
34 Partially correct 46 ms 324 KB Output is partially correct
35 Correct 37 ms 312 KB Output is correct
36 Correct 21 ms 312 KB Output is correct
37 Correct 35 ms 208 KB Output is correct
38 Correct 26 ms 316 KB Output is correct
39 Correct 43 ms 208 KB Output is correct
40 Correct 39 ms 300 KB Output is correct
41 Correct 33 ms 320 KB Output is correct
42 Correct 30 ms 304 KB Output is correct
43 Correct 11 ms 208 KB Output is correct
44 Correct 33 ms 208 KB Output is correct
45 Correct 53 ms 312 KB Output is correct
46 Correct 21 ms 320 KB Output is correct
47 Correct 17 ms 436 KB Output is correct
48 Correct 26 ms 316 KB Output is correct