답안 #1057094

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
1057094 2024-08-13T14:05:02 Z vjudge1 드문 곤충 (IOI22_insects) C++17
99.83 / 100
185 ms 1124 KB
#include "insects.h"
#include <bits/stdc++.h>

using namespace std;

using vi = vector<int>;
using ii = pair<int, int>;

set<int> Cur, Vreau;

void movein2(int v) {
    Vreau.insert(v);
}
void moveout2(int v) {
    Vreau.erase(v);
}

int press2() {
    vi scos, add;
    for(auto it : Cur) {
        if(!Vreau.count(it)) scos.push_back(it);
    }
    for(auto it : Vreau)
        if(!Cur.count(it)) add.push_back(it);
    for(auto it : add) move_inside(it);
    for(auto it : scos) move_outside(it);

    Cur = Vreau;
    return press_button();
}

int min_cardinality(int n) {
    int d = 0;
    vi Cul;
    for(int i = 0; i < n; ++i) {
        movein2(i);
        if(press2() == 1) {
            Cul.push_back(i);
            ++d;
        }
        else moveout2(i);
    }
    for(auto it : Cul) moveout2(it);

    int re = 0;
    int st = 1, dr = n / d, mij;
    set<int> S;
    for(int i = 0; i < n; ++i) S.insert(i);
    while(st < dr) {
        mij = (st + dr + 1) / 2;
        if(d > S.size()) {
            st = dr = 0;
            break; // exista 0!
        }
        set<int> I;
        for(auto it : S) {
            if(I.size() == d * mij) break;
            movein2(it);
            if(press2() == mij + 1) {
                moveout2(it);
            } else {
                I.insert(it);
            }
        }

        if(I.size() == d * mij) {
            for(auto it : I) {
                S.erase(it);
            }
            re += mij;
            st = 0;
            dr = dr - mij;
        } else {
            dr = mij - 1;
            S = I;
        }
        for(auto it : I) moveout2(it);
    }
    return re + st;
}

Compilation message

insects.cpp: In function 'int min_cardinality(int)':
insects.cpp:51:14: warning: comparison of integer expressions of different signedness: 'int' and 'std::set<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   51 |         if(d > S.size()) {
      |            ~~^~~~~~~~~~
insects.cpp:57:25: warning: comparison of integer expressions of different signedness: 'std::set<int>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
   57 |             if(I.size() == d * mij) break;
      |                ~~~~~~~~~^~~~~~~~~~
insects.cpp:66:21: warning: comparison of integer expressions of different signedness: 'std::set<int>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
   66 |         if(I.size() == d * mij) {
      |            ~~~~~~~~~^~~~~~~~~~
# 결과 실행 시간 메모리 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 2 ms 432 KB Output is correct
9 Correct 3 ms 344 KB Output is correct
10 Correct 3 ms 344 KB Output is correct
11 Correct 2 ms 344 KB Output is correct
12 Correct 3 ms 432 KB Output is correct
13 Correct 3 ms 344 KB Output is correct
14 Correct 2 ms 344 KB Output is correct
15 Correct 3 ms 344 KB Output is correct
16 Correct 2 ms 344 KB Output is correct
17 Correct 3 ms 344 KB Output is correct
18 Correct 3 ms 344 KB Output is correct
19 Correct 3 ms 344 KB Output is correct
20 Correct 3 ms 344 KB Output is correct
21 Correct 3 ms 696 KB Output is correct
22 Correct 1 ms 344 KB Output is correct
# 결과 실행 시간 메모리 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 2 ms 432 KB Output is correct
9 Correct 3 ms 344 KB Output is correct
10 Correct 3 ms 344 KB Output is correct
11 Correct 2 ms 344 KB Output is correct
12 Correct 3 ms 432 KB Output is correct
13 Correct 3 ms 344 KB Output is correct
14 Correct 2 ms 344 KB Output is correct
15 Correct 3 ms 344 KB Output is correct
16 Correct 2 ms 344 KB Output is correct
17 Correct 3 ms 344 KB Output is correct
18 Correct 3 ms 344 KB Output is correct
19 Correct 3 ms 344 KB Output is correct
20 Correct 3 ms 344 KB Output is correct
21 Correct 3 ms 696 KB Output is correct
22 Correct 1 ms 344 KB Output is correct
23 Correct 13 ms 600 KB Output is correct
24 Correct 22 ms 600 KB Output is correct
25 Correct 22 ms 344 KB Output is correct
26 Correct 23 ms 344 KB Output is correct
27 Correct 17 ms 488 KB Output is correct
28 Correct 15 ms 344 KB Output is correct
29 Correct 22 ms 600 KB Output is correct
30 Correct 26 ms 436 KB Output is correct
31 Correct 14 ms 340 KB Output is correct
32 Correct 15 ms 344 KB Output is correct
33 Correct 22 ms 436 KB Output is correct
34 Correct 16 ms 340 KB Output is correct
35 Correct 22 ms 936 KB Output is correct
36 Correct 20 ms 592 KB Output is correct
37 Correct 28 ms 600 KB Output is correct
38 Correct 37 ms 516 KB Output is correct
39 Correct 37 ms 692 KB Output is correct
40 Correct 29 ms 704 KB Output is correct
41 Correct 21 ms 480 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 0 ms 368 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 36 ms 608 KB Output is correct
8 Correct 144 ms 608 KB Output is correct
9 Correct 76 ms 732 KB Output is correct
10 Correct 103 ms 432 KB Output is correct
11 Correct 54 ms 440 KB Output is correct
12 Correct 83 ms 752 KB Output is correct
13 Correct 74 ms 600 KB Output is correct
14 Correct 100 ms 848 KB Output is correct
15 Correct 42 ms 588 KB Output is correct
16 Correct 63 ms 668 KB Output is correct
17 Correct 60 ms 644 KB Output is correct
18 Correct 65 ms 712 KB Output is correct
19 Correct 53 ms 828 KB Output is correct
20 Correct 69 ms 428 KB Output is correct
21 Correct 85 ms 1124 KB Output is correct
22 Partially correct 107 ms 788 KB Output is partially correct
23 Correct 115 ms 688 KB Output is correct
24 Correct 161 ms 484 KB Output is correct
25 Correct 143 ms 504 KB Output is correct
26 Correct 65 ms 344 KB Output is correct
27 Correct 91 ms 600 KB Output is correct
28 Correct 40 ms 592 KB Output is correct
29 Partially correct 99 ms 592 KB Output is partially correct
30 Partially correct 111 ms 588 KB Output is partially correct
31 Correct 132 ms 592 KB Output is correct
32 Correct 87 ms 848 KB Output is correct
33 Correct 116 ms 600 KB Output is correct
34 Correct 154 ms 536 KB Output is correct
35 Partially correct 112 ms 592 KB Output is partially correct
36 Correct 56 ms 588 KB Output is correct
37 Correct 110 ms 600 KB Output is correct
38 Correct 87 ms 724 KB Output is correct
39 Correct 117 ms 708 KB Output is correct
40 Correct 47 ms 436 KB Output is correct
41 Correct 70 ms 748 KB Output is correct
42 Partially correct 122 ms 736 KB Output is partially correct
43 Correct 7 ms 344 KB Output is correct
44 Correct 40 ms 796 KB Output is correct
45 Correct 36 ms 600 KB Output is correct
46 Correct 66 ms 588 KB Output is correct
47 Correct 185 ms 624 KB Output is correct
48 Correct 108 ms 440 KB Output is correct