oj.uz

Submission #1058150

# Submission time Handle Problem Language Result Execution time Memory
1058150 2024-08-14T08:43:34 Z hirayuu_oj Rarest Insects (IOI22_insects) C++17
59.61 / 100
 77 ms 1008 KB 
#include "insects.h"
#include<bits/stdc++.h>
using namespace std;
#define rep(i,n) for(int i=0; i<(n); i++)
#define rng(i,l,r) for(int i=(l); i<(r); i++)
#define all(x) x.begin(),x.end()
using ll=long long;

int min_cardinality(int N) {
    vector<int> types;
    vector<bool> mark(N,false);
    rep(i,N) {
        move_inside(i);
        if(press_button()==1) {
            mark[i]=true;
            types.emplace_back(i);
        }
        else move_outside(i);
    }
    if(types.size()==1)return N;
    vector<int> cnt(types.size(),1);
    vector<vector<array<int,3>>> ser(types.size()+1);
    rep(i,N) {
        if(!mark[i])ser[types.size()/2].push_back({i,(int)types.size(),0});
    }
    int rest=N-types.size();
    int pos=types.size();
    while(rest) {
        for(auto data:ser[pos]) {
            int mid=pos;
            int ok=data[1];
            int ng=data[2];
            move_inside(data[0]);
            if(press_button()==2) {
                ok=mid;
            }
            else {
                ng=mid;
            }
            move_outside(data[0]);
            if(abs(ok-ng)==1) {
                cnt[ok-1]++;
                rest--;
            }
            else {
                ser[(ok+ng)/2].push_back({data[0],ok,ng});
            }
        }
        ser[pos].clear();
        pair<int,int> near={998244353,-1};
        rep(i,types.size()+1) {
            if(ser[i].size())near=min(near,{abs(pos-i),i});
        }
        if(near.second<pos) {
            pos--;
            move_outside(types[pos]);
        }
        else {
            move_inside(types[pos]);
            pos++;
        }
    }
    int ans=998244353;
    for(int i:cnt)ans=min(ans,i);
    return ans;
}

Compilation message

insects.cpp: In function 'int min_cardinality(int)':
insects.cpp:4:32: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
    4 | #define rep(i,n) for(int i=0; i<(n); i++)
      |                                ^
insects.cpp:51:9: note: in expansion of macro 'rep'
   51 |         rep(i,types.size()+1) {
      |         ^~~

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1 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 2 ms 436 KB Output is correct
8 Correct 3 ms 344 KB Output is correct
9 Correct 5 ms 608 KB Output is correct
10 Correct 1 ms 344 KB Output is correct
11 Correct 3 ms 344 KB Output is correct
12 Correct 3 ms 600 KB Output is correct
13 Correct 4 ms 344 KB Output is correct
14 Correct 3 ms 344 KB Output is correct
15 Correct 2 ms 436 KB Output is correct
16 Correct 3 ms 444 KB Output is correct
17 Correct 3 ms 436 KB Output is correct
18 Correct 2 ms 344 KB Output is correct
19 Correct 2 ms 600 KB Output is correct
20 Correct 4 ms 344 KB Output is correct
21 Correct 4 ms 344 KB Output is correct
22 Correct 4 ms 444 KB Output is correct

Subtask #2
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 1 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 2 ms 436 KB Output is correct
8 Correct 3 ms 344 KB Output is correct
9 Correct 5 ms 608 KB Output is correct
10 Correct 1 ms 344 KB Output is correct
11 Correct 3 ms 344 KB Output is correct
12 Correct 3 ms 600 KB Output is correct
13 Correct 4 ms 344 KB Output is correct
14 Correct 3 ms 344 KB Output is correct
15 Correct 2 ms 436 KB Output is correct
16 Correct 3 ms 444 KB Output is correct
17 Correct 3 ms 436 KB Output is correct
18 Correct 2 ms 344 KB Output is correct
19 Correct 2 ms 600 KB Output is correct
20 Correct 4 ms 344 KB Output is correct
21 Correct 4 ms 344 KB Output is correct
22 Correct 4 ms 444 KB Output is correct
23 Correct 4 ms 344 KB Output is correct
24 Correct 4 ms 344 KB Output is correct
25 Correct 20 ms 464 KB Output is correct
26 Correct 24 ms 460 KB Output is correct
27 Correct 9 ms 600 KB Output is correct
28 Correct 19 ms 736 KB Output is correct
29 Correct 17 ms 444 KB Output is correct
30 Correct 51 ms 600 KB Output is correct
31 Correct 13 ms 948 KB Output is correct
32 Correct 15 ms 600 KB Output is correct
33 Correct 21 ms 456 KB Output is correct
34 Correct 16 ms 588 KB Output is correct
35 Correct 25 ms 600 KB Output is correct
36 Correct 12 ms 728 KB Output is correct
37 Correct 32 ms 600 KB Output is correct
38 Correct 25 ms 692 KB Output is correct
39 Correct 34 ms 724 KB Output is correct
40 Correct 26 ms 600 KB Output is correct
41 Correct 25 ms 464 KB Output is correct

Subtask #3
34.61 / 75.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 1 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 7 ms 344 KB Output is correct
8 Correct 9 ms 452 KB Output is correct
9 Partially correct 71 ms 576 KB Output is partially correct
10 Partially correct 65 ms 804 KB Output is partially correct
11 Correct 21 ms 436 KB Output is correct
12 Partially correct 47 ms 780 KB Output is partially correct
13 Partially correct 28 ms 712 KB Output is partially correct
14 Partially correct 50 ms 592 KB Output is partially correct
15 Partially correct 28 ms 496 KB Output is partially correct
16 Partially correct 31 ms 484 KB Output is partially correct
17 Partially correct 41 ms 712 KB Output is partially correct
18 Partially correct 40 ms 592 KB Output is partially correct
19 Partially correct 35 ms 652 KB Output is partially correct
20 Partially correct 51 ms 728 KB Output is partially correct
21 Partially correct 61 ms 1004 KB Output is partially correct
22 Partially correct 48 ms 792 KB Output is partially correct
23 Partially correct 75 ms 832 KB Output is partially correct
24 Partially correct 70 ms 708 KB Output is partially correct
25 Partially correct 51 ms 764 KB Output is partially correct
26 Partially correct 59 ms 672 KB Output is partially correct
27 Partially correct 63 ms 800 KB Output is partially correct
28 Partially correct 74 ms 760 KB Output is partially correct
29 Partially correct 55 ms 464 KB Output is partially correct
30 Partially correct 45 ms 736 KB Output is partially correct
31 Partially correct 68 ms 920 KB Output is partially correct
32 Partially correct 76 ms 592 KB Output is partially correct
33 Partially correct 76 ms 592 KB Output is partially correct
34 Partially correct 76 ms 572 KB Output is partially correct
35 Partially correct 63 ms 592 KB Output is partially correct
36 Partially correct 75 ms 668 KB Output is partially correct
37 Partially correct 61 ms 540 KB Output is partially correct
38 Partially correct 69 ms 672 KB Output is partially correct
39 Partially correct 57 ms 1008 KB Output is partially correct
40 Partially correct 72 ms 812 KB Output is partially correct
41 Partially correct 76 ms 744 KB Output is partially correct
42 Partially correct 77 ms 720 KB Output is partially correct
43 Partially correct 7 ms 344 KB Output is partially correct
44 Partially correct 27 ms 592 KB Output is partially correct
45 Correct 10 ms 344 KB Output is correct
46 Partially correct 58 ms 848 KB Output is partially correct
47 Partially correct 45 ms 800 KB Output is partially correct
48 Partially correct 43 ms 764 KB Output is partially correct