oj.uz

Submission #684130

# Submission time Handle Problem Language Result Execution time Memory
684130 2023-01-20T13:42:01 Z sharaelong Rarest Insects (IOI22_insects) C++17
99.89 / 100
 62 ms 428 KB 
#include "insects.h"
#include <bits/stdc++.h>
using namespace std;

int uniq_cnt;

vector<int> cands;
vector<int> st;
int cnt = 0;

void insert(int n, int p) {
    for (int x: cands) {
        if (cnt < p && find(st.begin(), st.end(), x) != st.end()) continue;
        move_inside(x);
        st.push_back(x);
        if (press_button() > p) {
            move_outside(x);
            st.pop_back();
        }
    }
    cnt = p;
}

void clear() {
    while (!st.empty()) {
        move_outside(st.back());
        st.pop_back();
    }
}

int min_cardinality(int n) {
    for (int i=0; i<n; ++i) cands.push_back(i);
    insert(n, 1);
    uniq_cnt = st.size();

    int low = 1, high = n / uniq_cnt;
    int offset = 0;
    while (low < high) {
        int mid = (low + high + 1) / 2;
        if (cnt >= mid) clear();
        insert(n, mid);
        if (st.size() == uniq_cnt * mid) {
            offset += mid;
            low = 0;
            high = high - mid;
            vector<int> tmp;
            for (int x: cands) {
                if (find(st.begin(), st.end(), x) == st.end()) tmp.push_back(x);
            }
            cands = tmp;
        } else {
            high = mid-1;
            cands = st;
        }
    }
    return low + offset;
}

Compilation message

insects.cpp: In function 'int min_cardinality(int)':
insects.cpp:42:23: warning: comparison of integer expressions of different signedness: 'std::vector<int>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
   42 |         if (st.size() == uniq_cnt * mid) {
      |             ~~~~~~~~~~^~~~~~~~~~~~~~~~~

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 208 KB Output is correct
2 Correct 1 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 1 ms 208 KB Output is correct
6 Correct 8 ms 208 KB Output is correct
7 Correct 3 ms 208 KB Output is correct
8 Correct 6 ms 208 KB Output is correct
9 Correct 5 ms 208 KB Output is correct
10 Correct 4 ms 208 KB Output is correct
11 Correct 2 ms 208 KB Output is correct
12 Correct 7 ms 208 KB Output is correct
13 Correct 5 ms 208 KB Output is correct
14 Correct 5 ms 208 KB Output is correct
15 Correct 5 ms 208 KB Output is correct
16 Correct 5 ms 208 KB Output is correct
17 Correct 6 ms 208 KB Output is correct
18 Correct 5 ms 208 KB Output is correct
19 Correct 4 ms 208 KB Output is correct
20 Correct 4 ms 208 KB Output is correct
21 Correct 4 ms 208 KB Output is correct
22 Correct 3 ms 208 KB Output is correct

Subtask #2
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 208 KB Output is correct
2 Correct 1 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 1 ms 208 KB Output is correct
6 Correct 8 ms 208 KB Output is correct
7 Correct 3 ms 208 KB Output is correct
8 Correct 6 ms 208 KB Output is correct
9 Correct 5 ms 208 KB Output is correct
10 Correct 4 ms 208 KB Output is correct
11 Correct 2 ms 208 KB Output is correct
12 Correct 7 ms 208 KB Output is correct
13 Correct 5 ms 208 KB Output is correct
14 Correct 5 ms 208 KB Output is correct
15 Correct 5 ms 208 KB Output is correct
16 Correct 5 ms 208 KB Output is correct
17 Correct 6 ms 208 KB Output is correct
18 Correct 5 ms 208 KB Output is correct
19 Correct 4 ms 208 KB Output is correct
20 Correct 4 ms 208 KB Output is correct
21 Correct 4 ms 208 KB Output is correct
22 Correct 3 ms 208 KB Output is correct
23 Correct 31 ms 284 KB Output is correct
24 Correct 10 ms 304 KB Output is correct
25 Correct 21 ms 208 KB Output is correct
26 Correct 29 ms 416 KB Output is correct
27 Correct 18 ms 208 KB Output is correct
28 Correct 10 ms 208 KB Output is correct
29 Correct 23 ms 208 KB Output is correct
30 Correct 15 ms 208 KB Output is correct
31 Correct 29 ms 208 KB Output is correct
32 Correct 24 ms 208 KB Output is correct
33 Correct 21 ms 284 KB Output is correct
34 Correct 29 ms 208 KB Output is correct
35 Correct 30 ms 208 KB Output is correct
36 Correct 28 ms 292 KB Output is correct
37 Correct 20 ms 208 KB Output is correct
38 Correct 27 ms 208 KB Output is correct
39 Correct 23 ms 284 KB Output is correct
40 Correct 9 ms 308 KB Output is correct
41 Correct 9 ms 208 KB Output is correct

Subtask #3
74.89 / 75.0

# Verdict Execution time Memory Grader output
1 Correct 1 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 0 ms 208 KB Output is correct
5 Correct 1 ms 208 KB Output is correct
6 Correct 1 ms 208 KB Output is correct
7 Correct 26 ms 296 KB Output is correct
8 Correct 22 ms 312 KB Output is correct
9 Correct 53 ms 300 KB Output is correct
10 Correct 50 ms 288 KB Output is correct
11 Correct 50 ms 208 KB Output is correct
12 Correct 25 ms 208 KB Output is correct
13 Correct 52 ms 292 KB Output is correct
14 Correct 57 ms 288 KB Output is correct
15 Correct 52 ms 208 KB Output is correct
16 Correct 62 ms 208 KB Output is correct
17 Correct 43 ms 208 KB Output is correct
18 Correct 54 ms 208 KB Output is correct
19 Partially correct 54 ms 208 KB Output is partially correct
20 Correct 50 ms 424 KB Output is correct
21 Correct 46 ms 292 KB Output is correct
22 Correct 56 ms 304 KB Output is correct
23 Correct 52 ms 288 KB Output is correct
24 Correct 51 ms 304 KB Output is correct
25 Correct 25 ms 316 KB Output is correct
26 Correct 15 ms 292 KB Output is correct
27 Correct 56 ms 208 KB Output is correct
28 Correct 33 ms 416 KB Output is correct
29 Partially correct 53 ms 208 KB Output is partially correct
30 Partially correct 41 ms 304 KB Output is partially correct
31 Correct 54 ms 292 KB Output is correct
32 Correct 37 ms 300 KB Output is correct
33 Correct 46 ms 208 KB Output is correct
34 Correct 53 ms 304 KB Output is correct
35 Partially correct 26 ms 304 KB Output is partially correct
36 Partially correct 51 ms 296 KB Output is partially correct
37 Correct 42 ms 304 KB Output is correct
38 Correct 52 ms 296 KB Output is correct
39 Correct 24 ms 300 KB Output is correct
40 Correct 42 ms 292 KB Output is correct
41 Partially correct 50 ms 428 KB Output is partially correct
42 Partially correct 59 ms 304 KB Output is partially correct
43 Correct 10 ms 208 KB Output is correct
44 Correct 33 ms 208 KB Output is correct
45 Correct 44 ms 208 KB Output is correct
46 Correct 24 ms 208 KB Output is correct
47 Correct 29 ms 208 KB Output is correct
48 Correct 32 ms 208 KB Output is correct