Submission #837761

# Submission time Handle Problem Language Result Execution time Memory
837761 2023-08-25T16:07:08 Z kshitij_sodani Rarest Insects (IOI22_insects) C++17
0 / 100
32 ms 576 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(j);
            }
            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:32:22: warning: unused variable 'jj' [-Wunused-variable]
   32 |             for(auto jj:cc){
      |                      ^~
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 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 2 ms 208 KB Output is correct
7 Correct 2 ms 208 KB Output is correct
8 Correct 5 ms 300 KB Output is correct
9 Correct 5 ms 304 KB Output is correct
10 Correct 4 ms 304 KB Output is correct
11 Correct 2 ms 208 KB Output is correct
12 Incorrect 3 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 2 ms 208 KB Output is correct
7 Correct 2 ms 208 KB Output is correct
8 Correct 5 ms 300 KB Output is correct
9 Correct 5 ms 304 KB Output is correct
10 Correct 4 ms 304 KB Output is correct
11 Correct 2 ms 208 KB Output is correct
12 Incorrect 3 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 15 ms 296 KB Output is correct
8 Correct 12 ms 312 KB Output is correct
9 Correct 28 ms 328 KB Output is correct
10 Correct 31 ms 304 KB Output is correct
11 Correct 25 ms 324 KB Output is correct
12 Correct 14 ms 576 KB Output is correct
13 Incorrect 32 ms 308 KB Wrong answer.
14 Halted 0 ms 0 KB -