Submission #1069926

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
1069926	2024-08-22 10:06:41	AdamGS	Rarest Insects (IOI22_insects)	C++17	100 / 100	42 ms	960 KiB

insects

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#include "insects.h"
#include<bits/stdc++.h>
using namespace std;
#define rep(a, b) for(int a = 0; a < (b); ++a)
#define st first
#define nd second
#define pb push_back
#define all(a) a.begin(), a.end()
vector<int>V, usun, Q;
int n, m;
int solve(int l, int r, vector<int>czy) {
  if(l==r) return l;
  int mid=(l+r+1)/2;
  vector<int>A, B;
  rep(i, n) if(czy[i]) {
    move_inside(Q[i]);
    ++m;
    if(press_button()>mid) {
      A.pb(i);
      move_outside(Q[i]);
      --m;
    } else B.pb(i);
    if(m==mid*V.size()) break;
  }
  if(m==mid*V.size()) {
    for(auto i : B) czy[i]=0;
    return solve(mid, r, czy);
  }
  for(auto i : A) czy[i]=0;
  for(auto i : B) {
 
 
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Compilation message (stderr)

insects.cpp: In function 'int solve(int, int, std::vector<int>)':
insects.cpp:23:7: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   23 |   if(m==mid*V.size()) break;
      |      ~^~~~~~~~~~~~~~
insects.cpp:25:6: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   25 |  if(m==mid*V.size()) {
      |     ~^~~~~~~~~~~~~~
insects.cpp: In function 'int min_cardinality(int)':
insects.cpp:4:36: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
    4 | #define rep(a, b) for(int a = 0; a < (b); ++a)
      |                                    ^
insects.cpp:54:2: note: in expansion of macro 'rep'
   54 |  rep(i, V.size()) usun.pb(0);
      |  ^~~

• Subtask 1: 10 / 10
• Subtask 2: 15 / 15
• Subtask 3: 75 / 75