oj.uz

답안 #886560

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
886560 2023-12-12T10:21:45 Z thinknoexit 드문 곤충 (IOI22_insects) C++17
0 / 100
 4 ms 604 KB 
#include <bits/stdc++.h>
#include "insects.h"
using namespace std;
using ll = long long;
int n;
int sz = 0;
set<int> rem;
void putin(int x) {
    move_inside(x);
    sz++;
}
void putout(int x) {
    move_outside(x);
    sz--;
}
int val() {
    return press_button();
}
int min_cardinality(int N) {
    n = N;
    putin(0);
    for (int i = 1;i < n;i++) {
        putin(i);
        if (val() == 2) {
            putout(i);
            rem.insert(i);
        }
    }
    int type = sz;
    if (type == n) return 1;
    int l = 1, r = n / type;
    while (l < r) {
        int mid = (l + r + 1) / 2;
        set<int> in;
        stack<int> st;
        for (auto& x : rem) {
            putin(x);
            in.insert(x);
            st.push(x);
            if (sz > type * mid) {
                while (!st.empty()) {
                    putout(st.top());
                    in.erase(st.top());
                    st.pop();
                    if (val() <= mid) break;
                }
            }
        }
        if (sz == type * mid) {
            for (auto& x : in) {
                rem.erase(x);
            }
            l = mid;
        }
        else {
            for (auto& x : in) {
                putout(x);
            }
            r = mid - 1;
        }
    }
    return l;
}

Subtask #1
0 / 10.0

# 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 Incorrect 4 ms 604 KB Wrong answer.
9 Halted 0 ms 0 KB -

Subtask #2
0 / 15.0

# 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 Incorrect 4 ms 604 KB Wrong answer.
9 Halted 0 ms 0 KB -

Subtask #3
0 / 75.0

# 결과 실행 시간 메모리 Grader output
1 Incorrect 1 ms 344 KB Wrong answer.
2 Halted 0 ms 0 KB -