Submission #837762

# Submission time Handle Problem Language Result Execution time Memory
837762 2023-08-25T16:07:45 Z kshitij_sodani Rarest Insects (IOI22_insects) C++17
0 / 100
34 ms 416 KB
#include <bits/stdc++.h>
using namespace std;
typedef long long llo;
#define a first
#define b second
#define pb push_back
typedef long long llo;
#define endl '\n'

#include "insects.h"
#define in move_inside
#define out move_outside
#define query press_button

int d;
int query(int l,int r,vector<int> aa,vector<int> bb){
    //cout<<l<<":"<<r<<endl;

    if(l==r){
        return l;
    }
    int mid=(l+r+1)/2;
    vector<int> cc;
    vector<int> dd;
    int le=bb.size();
    for(auto j:bb){
        if(aa.size()+cc.size()==mid*d){
            dd.pb(j);
            continue;
        }
        if(aa.size()+cc.size()+le<mid*d){
            for(auto jj:cc){
                out(jj);
            }
            return query(l,mid-1,aa,cc);
        }
        le--;

        in(j);
        cc.pb(j);
        if(query()>mid){
            out(j);
            cc.pop_back();
            dd.pb(j);
        }
    }

    if(aa.size()+cc.size()!=mid*d){
        for(auto j:cc){
            out(j);
        }
        return query(l,mid-1,aa,cc);
    }
    for(auto j:cc){
        aa.pb(j);
    }
    return query(mid,r,aa,dd);
}
int min_cardinality(int n) {
    vector<int> ss;
    vector<int> tt;
    for(int i=0;i<n;i++){
        in(i);
        ss.pb(i);
        if(query()==2){
            out(i);
            tt.pb(i);
            ss.pop_back();
        }
    }
    d=ss.size();
    if(ss.size()==n){
        return 1;
    }
    if(ss.size()==1){
        return n;
    }

    int x=query(1,n/(ss.size()),ss,tt);



return x;
}

Compilation message

insects.cpp: In function 'int press_button(int, int, std::vector<int>, std::vector<int>)':
insects.cpp:27:31: warning: comparison of integer expressions of different signedness: 'std::vector<int>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
   27 |         if(aa.size()+cc.size()==mid*d){
      |            ~~~~~~~~~~~~~~~~~~~^~~~~~~
insects.cpp:31:34: warning: comparison of integer expressions of different signedness: 'std::vector<int>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
   31 |         if(aa.size()+cc.size()+le<mid*d){
      |            ~~~~~~~~~~~~~~~~~~~~~~^~~~~~
insects.cpp:48:27: warning: comparison of integer expressions of different signedness: 'std::vector<int>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
   48 |     if(aa.size()+cc.size()!=mid*d){
      |        ~~~~~~~~~~~~~~~~~~~^~~~~~~
insects.cpp: In function 'int min_cardinality(int)':
insects.cpp:72:17: warning: comparison of integer expressions of different signedness: 'std::vector<int>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
   72 |     if(ss.size()==n){
      |        ~~~~~~~~~^~~
# 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 2 ms 208 KB Output is correct
7 Correct 2 ms 208 KB Output is correct
8 Correct 4 ms 300 KB Output is correct
9 Correct 6 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 Incorrect 5 ms 208 KB Wrong answer.
13 Halted 0 ms 0 KB -
# 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 2 ms 208 KB Output is correct
7 Correct 2 ms 208 KB Output is correct
8 Correct 4 ms 300 KB Output is correct
9 Correct 6 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 Incorrect 5 ms 208 KB Wrong answer.
13 Halted 0 ms 0 KB -
# 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 0 ms 208 KB Output is correct
5 Correct 0 ms 208 KB Output is correct
6 Correct 0 ms 208 KB Output is correct
7 Correct 18 ms 304 KB Output is correct
8 Correct 13 ms 208 KB Output is correct
9 Correct 34 ms 300 KB Output is correct
10 Correct 28 ms 416 KB Output is correct
11 Correct 23 ms 312 KB Output is correct
12 Correct 13 ms 304 KB Output is correct
13 Incorrect 19 ms 308 KB Wrong answer.
14 Halted 0 ms 0 KB -