oj.uz

Submission #635407

# Submission time Handle Problem Language Result Execution time Memory
635407 2022-08-26T08:31:23 Z Carmel_Ab1 Rarest Insects (IOI22_insects) C++17
53.13 / 100
 178 ms 416 KB 
/*
#pragma GCC target ("avx2")
#pragma GCC optimization ("O3")
#pragma GCC optimization ("unroll-loops")
 */
#include<bits/stdc++.h>
#include "insects.h"
//#include <ext/pb_ds/assoc_container.hpp>
//#include <ext/pb_ds/tree_policy.hpp>

//using namespace __gnu_pbds;
using namespace std;

typedef long double ld;
typedef long long ll;
typedef unsigned long long ull;
typedef vector<int>vi;
typedef vector<vector<int>>vvi;
typedef vector<ll>vl;
typedef vector<vl> vvl;
typedef pair<int,int>pi;
typedef pair<ll,ll> pl;
typedef vector<pl> vpl;
typedef vector<ld> vld;
typedef pair<ld,ld> pld;
typedef vector<pi> vpi;

//typedef tree<ll, null_type, less_equal<ll>,rb_tree_tag,tree_order_statistics_node_update> ordered_set;
template<typename T> ostream& operator<<(ostream& os, vector<T>& a){os<<"[";for(int i=0; i<ll(a.size()); i++){os << a[i] << ((i!=ll(a.size()-1)?" ":""));}os << "]\n"; return os;}

#define all(x) x.begin(),x.end()
#define YES out("YES")
#define NO out("NO")
#define out(x){cout << x << "\n"; return;}
#define outfl(x){cout << x << endl;return;}
#define GLHF ios_base::sync_with_stdio(false); cin.tie(NULL); cout.tie(NULL)
#define print(x){for(auto ait:x) cout << ait << " "; cout << "\n";}
#define pb push_back
#define umap unordered_map

int small_distinct_vals(int n, int diff, vector<bool>in){
    int ans=1;
    while(1){
        int has=0;
        for(int i=0; i<n;i ++){
            if(in[i])continue;
            move_inside(i);
            in[i]=1;
            has++;
            if(press_button()!=ans+1)
                in[i]=0,has--, move_outside(i);
        }

        if(has!=diff)
            break;
        ans++;
    }
    return ans;

}

int min_cardinality(int n){
    int diff=0;
    vector<bool>in(n);

    vi a(n);
    iota(all(a),0);
    mt19937 rng(chrono::steady_clock::now().time_since_epoch().count());
    shuffle(all(a),rng);

    for(int i=0; i<n; i++){
        move_inside(a[i]),in[a[i]]=1;
        diff++;
        if(press_button()!=1)
            move_outside(a[i]),diff--,in[a[i]]=0;
    }

    if(n/diff<=6)
        return small_distinct_vals(n,diff,in);

    int l=2,r=n/diff,ans=1;


    while(l<=r){
        int m=(l+r)/2;

        int good=n;
        for(int i=0; i<n;i ++){
            if(in[a[i]])continue;
            move_inside(a[i]);
            in[a[i]]=1;
            int p=press_button();
            if(p>m)
                good--, move_outside(a[i]), in[a[i]]=0;
        }
        if(diff*m<=good)
            l=m+1,ans=m;
        else {
            r = m - 1;
            if(l>r)break;
            for(int i=0; i<n;i ++)
                if(in[a[i]])
                    in[a[i]]=0, move_outside(a[i]);
        }
    }

    return ans;

}

Subtask #1
10.0 / 10.0

# 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 1 ms 208 KB Output is correct
5 Correct 1 ms 208 KB Output is correct
6 Correct 6 ms 208 KB Output is correct
7 Correct 2 ms 208 KB Output is correct
8 Correct 7 ms 208 KB Output is correct
9 Correct 8 ms 208 KB Output is correct
10 Correct 10 ms 208 KB Output is correct
11 Correct 3 ms 208 KB Output is correct
12 Correct 10 ms 208 KB Output is correct
13 Correct 8 ms 208 KB Output is correct
14 Correct 6 ms 208 KB Output is correct
15 Correct 6 ms 208 KB Output is correct
16 Correct 8 ms 208 KB Output is correct
17 Correct 5 ms 208 KB Output is correct
18 Correct 10 ms 208 KB Output is correct
19 Correct 8 ms 208 KB Output is correct
20 Correct 3 ms 208 KB Output is correct
21 Correct 3 ms 208 KB Output is correct
22 Correct 2 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 0 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 6 ms 208 KB Output is correct
7 Correct 2 ms 208 KB Output is correct
8 Correct 7 ms 208 KB Output is correct
9 Correct 8 ms 208 KB Output is correct
10 Correct 10 ms 208 KB Output is correct
11 Correct 3 ms 208 KB Output is correct
12 Correct 10 ms 208 KB Output is correct
13 Correct 8 ms 208 KB Output is correct
14 Correct 6 ms 208 KB Output is correct
15 Correct 6 ms 208 KB Output is correct
16 Correct 8 ms 208 KB Output is correct
17 Correct 5 ms 208 KB Output is correct
18 Correct 10 ms 208 KB Output is correct
19 Correct 8 ms 208 KB Output is correct
20 Correct 3 ms 208 KB Output is correct
21 Correct 3 ms 208 KB Output is correct
22 Correct 2 ms 208 KB Output is correct
23 Correct 32 ms 212 KB Output is correct
24 Correct 9 ms 208 KB Output is correct
25 Correct 24 ms 208 KB Output is correct
26 Correct 43 ms 208 KB Output is correct
27 Correct 71 ms 208 KB Output is correct
28 Correct 14 ms 208 KB Output is correct
29 Correct 44 ms 208 KB Output is correct
30 Correct 44 ms 208 KB Output is correct
31 Correct 33 ms 208 KB Output is correct
32 Correct 37 ms 208 KB Output is correct
33 Correct 40 ms 208 KB Output is correct
34 Correct 37 ms 208 KB Output is correct
35 Correct 43 ms 208 KB Output is correct
36 Correct 36 ms 208 KB Output is correct
37 Correct 27 ms 208 KB Output is correct
38 Correct 26 ms 208 KB Output is correct
39 Correct 18 ms 208 KB Output is correct
40 Correct 15 ms 208 KB Output is correct
41 Correct 10 ms 208 KB Output is correct

Subtask #3
28.13 / 75.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 208 KB Output is correct
2 Correct 0 ms 292 KB Output is correct
3 Correct 0 ms 208 KB Output is correct
4 Correct 0 ms 208 KB Output is correct
5 Correct 0 ms 208 KB Output is correct
6 Correct 1 ms 208 KB Output is correct
7 Correct 49 ms 208 KB Output is correct
8 Correct 19 ms 208 KB Output is correct
9 Correct 52 ms 208 KB Output is correct
10 Partially correct 68 ms 304 KB Output is partially correct
11 Partially correct 166 ms 208 KB Output is partially correct
12 Correct 33 ms 208 KB Output is correct
13 Partially correct 178 ms 208 KB Output is partially correct
14 Partially correct 55 ms 288 KB Output is partially correct
15 Partially correct 72 ms 416 KB Output is partially correct
16 Partially correct 67 ms 292 KB Output is partially correct
17 Partially correct 78 ms 288 KB Output is partially correct
18 Partially correct 92 ms 288 KB Output is partially correct
19 Partially correct 72 ms 288 KB Output is partially correct
20 Partially correct 83 ms 408 KB Output is partially correct
21 Partially correct 80 ms 292 KB Output is partially correct
22 Partially correct 86 ms 208 KB Output is partially correct
23 Partially correct 54 ms 288 KB Output is partially correct
24 Correct 33 ms 208 KB Output is correct
25 Correct 24 ms 208 KB Output is correct
26 Correct 21 ms 208 KB Output is correct
27 Correct 47 ms 208 KB Output is correct
28 Correct 44 ms 208 KB Output is correct
29 Partially correct 33 ms 208 KB Output is partially correct
30 Partially correct 48 ms 208 KB Output is partially correct
31 Partially correct 95 ms 304 KB Output is partially correct
32 Partially correct 80 ms 288 KB Output is partially correct
33 Partially correct 78 ms 208 KB Output is partially correct
34 Partially correct 71 ms 208 KB Output is partially correct
35 Partially correct 52 ms 208 KB Output is partially correct
36 Partially correct 35 ms 208 KB Output is partially correct
37 Partially correct 95 ms 296 KB Output is partially correct
38 Partially correct 107 ms 292 KB Output is partially correct
39 Correct 36 ms 208 KB Output is correct
40 Correct 40 ms 208 KB Output is correct
41 Partially correct 52 ms 208 KB Output is partially correct
42 Partially correct 49 ms 208 KB Output is partially correct
43 Partially correct 33 ms 208 KB Output is partially correct
44 Partially correct 136 ms 208 KB Output is partially correct
45 Correct 46 ms 208 KB Output is correct
46 Correct 29 ms 208 KB Output is correct
47 Correct 19 ms 208 KB Output is correct
48 Correct 29 ms 208 KB Output is correct