oj.uz

Submission #838233

# Submission time Handle Problem Language Result Execution time Memory
838233 2023-08-26T11:43:55 Z Dremix10 Rarest Insects (IOI22_insects) C++17
25 / 100
 239 ms 456 KB 
#include "insects.h"
#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
typedef pair<int,int> pi;
typedef pair<ll,ll> pl;
#define F first
#define S second
#define all(x) (x).begin(),(x).end()
const int N = 3e5+5;
const int MOD = 1e9+7;
const ll INF = 1e18+5;
#ifdef dremix
    #define p(x) cerr<<#x<<" = "<<x<<endl;
    #define pv(x) cerr<<#x<<" = {";for(auto v : x)cerr<<v<<", ";cerr<<"}"<<endl;
    #define p2(x,y) cerr<<#x<<","<<#y<<" = "<<x<<" ,"<<y<<endl;
#else
    #define p(x) {}
    #define pv(x) {}
    #define p2(x,y) {}
#endif



int min_cardinality(int n) {

    int i,ret = 1;
    vector<int> p1,p2,p3;


    /// do some optimization

    for(i=0;i<n;i++){
        move_inside(i);
        int x = press_button();
        if(x == 1){
            p1.push_back(i);
        }
        else{
            assert(x == 2);
            p2.push_back(i);
            move_outside(i);
        }
    }

    int uni = p1.size();

    int sq = sqrt(n);

    if(uni >= sq){

        while(1){


            /// we have p1 with all the colors (uniquely)
            vector<int> neo;
            pv(p1)
            pv(p2)

            for(auto v : p2){
                move_inside(v);
                int x = press_button();
                if(x == ret + 1){
                    neo.push_back(v);
                }
                else{
                    assert(x == ret + 2);
                    p3.push_back(v);
                    move_outside(v);
                }
            }

            p2 = neo;
            pv(p2)
            pv(p3)
            /// we have p2 with all colors that have +1 occurence
            assert(p2.size() <= p1.size());
            if(p2.size() < p1.size())return ret;
            ret ++;

            /// in the machine atm there are all of the colours 2 times each

            p1 = p2;
            p2 = p3;
            p3.clear();
        }
    }
    else{
        /// we have small amount of unique colors
        multiset<int> s;
        int curr = 1;
        s.insert(0);
        move_inside(0);
        bool in[n];
        //p2(1,0)
        int arr[n];
        arr[0] = 0;
        int j;
        in[0] = true;
    
        for(i=1;i<n;i++){
            move_inside(i);
            //p2(1,i)
            in[i] = true;
            int x = press_button();
            if(x == 1){
                s.insert(curr);
                arr[i] = curr;
                curr++;
            }
            else{
                //assert(x == 2);
                bool ok =false;
                p(i)
                for(j=i-1;j>=0;j--){
                    if(!in[j])continue;
                    move_outside(j);
                    in[j] = false;
                    p2(2,j)
                    x = press_button();
                    if(x == 1){
                        arr[i] = arr[j];
                        s.insert(arr[i]);
                        ok = true;
                        break;
                    }
                    p2(1,j)
                    move_inside(j);
                    in[j] = true;
                }
                assert(ok);
            }
        }
        int ret = n;
        for(auto x : s){
            ret = min(ret,(int)s.count(x));
        }
        return ret; 

    }


}

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 208 KB Output is correct
2 Correct 0 ms 208 KB Output is correct
3 Correct 1 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 6 ms 208 KB Output is correct
7 Correct 1 ms 208 KB Output is correct
8 Correct 16 ms 208 KB Output is correct
9 Correct 8 ms 208 KB Output is correct
10 Correct 6 ms 336 KB Output is correct
11 Correct 3 ms 208 KB Output is correct
12 Correct 7 ms 308 KB Output is correct
13 Correct 3 ms 208 KB Output is correct
14 Correct 8 ms 300 KB Output is correct
15 Correct 10 ms 208 KB Output is correct
16 Correct 11 ms 208 KB Output is correct
17 Correct 12 ms 208 KB Output is correct
18 Correct 4 ms 300 KB Output is correct
19 Correct 4 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 0 ms 208 KB Output is correct
2 Correct 0 ms 208 KB Output is correct
3 Correct 1 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 6 ms 208 KB Output is correct
7 Correct 1 ms 208 KB Output is correct
8 Correct 16 ms 208 KB Output is correct
9 Correct 8 ms 208 KB Output is correct
10 Correct 6 ms 336 KB Output is correct
11 Correct 3 ms 208 KB Output is correct
12 Correct 7 ms 308 KB Output is correct
13 Correct 3 ms 208 KB Output is correct
14 Correct 8 ms 300 KB Output is correct
15 Correct 10 ms 208 KB Output is correct
16 Correct 11 ms 208 KB Output is correct
17 Correct 12 ms 208 KB Output is correct
18 Correct 4 ms 300 KB Output is correct
19 Correct 4 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 30 ms 328 KB Output is correct
24 Correct 6 ms 208 KB Output is correct
25 Correct 129 ms 208 KB Output is correct
26 Correct 82 ms 300 KB Output is correct
27 Correct 24 ms 332 KB Output is correct
28 Correct 10 ms 208 KB Output is correct
29 Correct 36 ms 296 KB Output is correct
30 Correct 17 ms 300 KB Output is correct
31 Correct 44 ms 320 KB Output is correct
32 Correct 59 ms 344 KB Output is correct
33 Correct 36 ms 332 KB Output is correct
34 Correct 57 ms 292 KB Output is correct
35 Correct 78 ms 328 KB Output is correct
36 Correct 99 ms 324 KB Output is correct
37 Correct 55 ms 424 KB Output is correct
38 Correct 23 ms 208 KB Output is correct
39 Correct 15 ms 456 KB Output is correct
40 Correct 15 ms 208 KB Output is correct
41 Correct 12 ms 208 KB Output is correct

Subtask #3
0 / 75.0

# Verdict Execution time Memory Grader output
1 Correct 0 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 1 ms 208 KB Output is correct
7 Correct 48 ms 368 KB Output is correct
8 Correct 14 ms 300 KB Output is correct
9 Incorrect 239 ms 304 KB Too many queries.
10 Halted 0 ms 0 KB -