Submission #632182

# Submission time Handle Problem Language Result Execution time Memory
632182 2022-08-19T15:16:34 Z beaconmc Rarest Insects (IOI22_insects) C++17
100 / 100
72 ms 436 KB
#include "insects.h"
#include <bits/stdc++.h>

typedef long long ll;
using namespace std;


#define FOR(i, x, y) for(ll i=x; i<y; i++)
#define FORNEG(i, x, y) for(ll i=x; i>y; i--)

#define fast() ios_base::sync_with_stdio(false);cin.tie(NULL)



int min_cardinality(int N) {
  vector<ll> ins;
  vector<ll> outs;
  FOR(i,0,N){
    move_inside(i);
    ll sus = press_button();
    if (sus>1){
      move_outside(i);
      outs.push_back(i);
    }else{
      ins.push_back(i);
    }
  }
  ll numsize = ins.size();

  ll lo = 1;
  ll hi = N/ins.size()+1;
  while (lo<hi){
    int mid = lo + (hi - lo + 1) / 2;
    vector<ll> nowin;
    vector<ll> nowout;

    while (outs.size()){
      ll sus = outs[outs.size()-1];
      outs.pop_back();
      move_inside(sus);
      ll count = press_button();

      if (count>mid){
        move_outside(sus);
        nowout.push_back(sus);
      }else{
        nowin.push_back(sus);
      }
      if (ins.size() + nowin.size() == mid*numsize){
        break;
      }
    }

    if (ins.size() + nowin.size() == mid*numsize){
      for (auto&i : nowin){
        ins.push_back(i);
      }
      for (auto&i : nowout){
        outs.push_back(i);
      }
      lo = mid;

    }else{
      for (auto&i : nowin){
        move_outside(i);
        outs.push_back(i);
      }

      hi = mid-1;
    }

  }
  return lo;
}

Compilation message

insects.cpp: In function 'int min_cardinality(int)':
insects.cpp:49:37: warning: comparison of integer expressions of different signedness: 'std::vector<long long int>::size_type' {aka 'long unsigned int'} and 'll' {aka 'long long int'} [-Wsign-compare]
   49 |       if (ins.size() + nowin.size() == mid*numsize){
      |           ~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~
insects.cpp:54:35: warning: comparison of integer expressions of different signedness: 'std::vector<long long int>::size_type' {aka 'long unsigned int'} and 'll' {aka 'long long int'} [-Wsign-compare]
   54 |     if (ins.size() + nowin.size() == mid*numsize){
      |         ~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~
# Verdict Execution time Memory Grader output
1 Correct 0 ms 208 KB Output is correct
2 Correct 1 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 1 ms 272 KB Output is correct
6 Correct 4 ms 304 KB Output is correct
7 Correct 3 ms 208 KB Output is correct
8 Correct 2 ms 208 KB Output is correct
9 Correct 5 ms 300 KB Output is correct
10 Correct 5 ms 228 KB Output is correct
11 Correct 2 ms 208 KB Output is correct
12 Correct 6 ms 208 KB Output is correct
13 Correct 5 ms 208 KB Output is correct
14 Correct 9 ms 300 KB Output is correct
15 Correct 5 ms 208 KB Output is correct
16 Correct 7 ms 308 KB Output is correct
17 Correct 5 ms 208 KB Output is correct
18 Correct 5 ms 304 KB Output is correct
19 Correct 6 ms 300 KB Output is correct
20 Correct 5 ms 304 KB Output is correct
21 Correct 4 ms 208 KB Output is correct
22 Correct 3 ms 304 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 0 ms 208 KB Output is correct
2 Correct 1 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 1 ms 272 KB Output is correct
6 Correct 4 ms 304 KB Output is correct
7 Correct 3 ms 208 KB Output is correct
8 Correct 2 ms 208 KB Output is correct
9 Correct 5 ms 300 KB Output is correct
10 Correct 5 ms 228 KB Output is correct
11 Correct 2 ms 208 KB Output is correct
12 Correct 6 ms 208 KB Output is correct
13 Correct 5 ms 208 KB Output is correct
14 Correct 9 ms 300 KB Output is correct
15 Correct 5 ms 208 KB Output is correct
16 Correct 7 ms 308 KB Output is correct
17 Correct 5 ms 208 KB Output is correct
18 Correct 5 ms 304 KB Output is correct
19 Correct 6 ms 300 KB Output is correct
20 Correct 5 ms 304 KB Output is correct
21 Correct 4 ms 208 KB Output is correct
22 Correct 3 ms 304 KB Output is correct
23 Correct 11 ms 208 KB Output is correct
24 Correct 5 ms 300 KB Output is correct
25 Correct 18 ms 208 KB Output is correct
26 Correct 28 ms 296 KB Output is correct
27 Correct 37 ms 296 KB Output is correct
28 Correct 16 ms 208 KB Output is correct
29 Correct 13 ms 304 KB Output is correct
30 Correct 29 ms 420 KB Output is correct
31 Correct 20 ms 304 KB Output is correct
32 Correct 25 ms 300 KB Output is correct
33 Correct 24 ms 304 KB Output is correct
34 Correct 21 ms 328 KB Output is correct
35 Correct 27 ms 300 KB Output is correct
36 Correct 25 ms 292 KB Output is correct
37 Correct 14 ms 316 KB Output is correct
38 Correct 33 ms 300 KB Output is correct
39 Correct 27 ms 208 KB Output is correct
40 Correct 14 ms 316 KB Output is correct
41 Correct 13 ms 308 KB Output is correct
# 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 0 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 18 ms 316 KB Output is correct
8 Correct 24 ms 304 KB Output is correct
9 Correct 57 ms 312 KB Output is correct
10 Correct 44 ms 304 KB Output is correct
11 Correct 42 ms 300 KB Output is correct
12 Correct 30 ms 208 KB Output is correct
13 Correct 41 ms 340 KB Output is correct
14 Correct 44 ms 304 KB Output is correct
15 Correct 56 ms 316 KB Output is correct
16 Correct 33 ms 312 KB Output is correct
17 Correct 39 ms 328 KB Output is correct
18 Correct 19 ms 340 KB Output is correct
19 Correct 43 ms 308 KB Output is correct
20 Correct 50 ms 316 KB Output is correct
21 Correct 61 ms 304 KB Output is correct
22 Correct 55 ms 320 KB Output is correct
23 Correct 46 ms 316 KB Output is correct
24 Correct 46 ms 312 KB Output is correct
25 Correct 16 ms 320 KB Output is correct
26 Correct 18 ms 208 KB Output is correct
27 Correct 39 ms 316 KB Output is correct
28 Correct 51 ms 344 KB Output is correct
29 Correct 27 ms 300 KB Output is correct
30 Correct 22 ms 320 KB Output is correct
31 Correct 72 ms 312 KB Output is correct
32 Correct 48 ms 308 KB Output is correct
33 Correct 54 ms 308 KB Output is correct
34 Correct 32 ms 324 KB Output is correct
35 Correct 48 ms 296 KB Output is correct
36 Correct 36 ms 296 KB Output is correct
37 Correct 63 ms 308 KB Output is correct
38 Correct 32 ms 344 KB Output is correct
39 Correct 40 ms 312 KB Output is correct
40 Correct 49 ms 304 KB Output is correct
41 Correct 47 ms 328 KB Output is correct
42 Correct 33 ms 436 KB Output is correct
43 Correct 9 ms 308 KB Output is correct
44 Correct 33 ms 316 KB Output is correct
45 Correct 38 ms 308 KB Output is correct
46 Correct 32 ms 308 KB Output is correct
47 Correct 25 ms 308 KB Output is correct
48 Correct 23 ms 208 KB Output is correct