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Submission #1074634

# Submission time Handle Problem Language Result Execution time Memory
1074634 2024-08-25T11:33:57 Z Nicolaikrob Rarest Insects (IOI22_insects) C++17
10 / 100
 259 ms 1052 KB 
#include "insects.h"
#include <bits/stdc++.h>
using namespace std;
typedef vector<int> vi;

int n, tc, il, rc = 0;
set<int> M, IU;
vi IS;

void mi(int i) {
    move_inside(IS[i]);
    M.insert(i);
}

void mo(int i) {
    move_outside(IS[i]);
    M.erase(i);
}

int pb() {
    return press_button()+rc;
}

void rm(bool t) {
    if(t) {
        for(auto x : M) {
            IU.erase(x);
            move_outside(IS[x]);
        }
        il -= M.size();
        rc += M.size()/tc;
        M.clear();
    }
    else {
        IU = M;
        il = M.size();
        for(auto x : M)
            move_outside(IS[x]);
        M.clear();
    }
}

bool tjek(int g) {
    for(auto i : IU) {
        mi(i);
        if(pb() > g) mo(i);
    }
    bool s = (int(M.size())+rc*tc == tc*g);
    rm(s);
    return s;
}

int min_cardinality(int N) {
    il = n = N;
    IS.resize(n);
    for(int i = 0; i < n; i++)
        IS[i] = i;
    srand(time(NULL));
    random_shuffle(IS.begin(), IS.end());
    mi(0);
    for(int i = 1; i < n; i++) {
        mi(i);
        if(pb() > 1) mo(i);
    }
    tc = M.size();
    for(int i = 0; i < n; i++)
        IU.insert(i);
    rm(1);
    int l = 1, u = n/tc;
    while(l < u) {
        int mx = -1, g = (l+u+1)/2;
        for(int i = l; i <= u; i++) {
            if(max(tc*i, il-tc*i+1) > mx)
                mx = max(tc*i, il-tc*i+1), g = i;
        }
        if(tjek(g)) l = g;
        else u = g-1;
    }
    return l;
}

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 596 KB Output is correct
2 Correct 0 ms 344 KB Output is correct
3 Correct 1 ms 344 KB Output is correct
4 Correct 0 ms 344 KB Output is correct
5 Correct 1 ms 344 KB Output is correct
6 Correct 4 ms 344 KB Output is correct
7 Correct 1 ms 344 KB Output is correct
8 Correct 3 ms 436 KB Output is correct
9 Correct 6 ms 344 KB Output is correct
10 Correct 20 ms 436 KB Output is correct
11 Correct 1 ms 344 KB Output is correct
12 Correct 12 ms 436 KB Output is correct
13 Correct 8 ms 344 KB Output is correct
14 Correct 8 ms 436 KB Output is correct
15 Correct 5 ms 344 KB Output is correct
16 Correct 4 ms 344 KB Output is correct
17 Correct 6 ms 344 KB Output is correct
18 Correct 7 ms 436 KB Output is correct
19 Correct 4 ms 344 KB Output is correct
20 Correct 4 ms 344 KB Output is correct
21 Correct 2 ms 344 KB Output is correct
22 Correct 1 ms 344 KB Output is correct

Subtask #2
0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 596 KB Output is correct
2 Correct 0 ms 344 KB Output is correct
3 Correct 1 ms 344 KB Output is correct
4 Correct 0 ms 344 KB Output is correct
5 Correct 1 ms 344 KB Output is correct
6 Correct 4 ms 344 KB Output is correct
7 Correct 1 ms 344 KB Output is correct
8 Correct 3 ms 436 KB Output is correct
9 Correct 6 ms 344 KB Output is correct
10 Correct 20 ms 436 KB Output is correct
11 Correct 1 ms 344 KB Output is correct
12 Correct 12 ms 436 KB Output is correct
13 Correct 8 ms 344 KB Output is correct
14 Correct 8 ms 436 KB Output is correct
15 Correct 5 ms 344 KB Output is correct
16 Correct 4 ms 344 KB Output is correct
17 Correct 6 ms 344 KB Output is correct
18 Correct 7 ms 436 KB Output is correct
19 Correct 4 ms 344 KB Output is correct
20 Correct 4 ms 344 KB Output is correct
21 Correct 2 ms 344 KB Output is correct
22 Correct 1 ms 344 KB Output is correct
23 Correct 10 ms 344 KB Output is correct
24 Correct 7 ms 440 KB Output is correct
25 Correct 8 ms 436 KB Output is correct
26 Correct 61 ms 600 KB Output is correct
27 Incorrect 238 ms 344 KB Too many queries.
28 Halted 0 ms 0 KB -

Subtask #3
0 / 75.0

# Verdict Execution time Memory 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 1 ms 344 KB Output is correct
7 Correct 13 ms 444 KB Output is correct
8 Correct 9 ms 456 KB Output is correct
9 Correct 22 ms 588 KB Output is correct
10 Partially correct 218 ms 1052 KB Output is partially correct
11 Incorrect 259 ms 1052 KB Too many queries.
12 Halted 0 ms 0 KB -