oj.uz

Submission #627477

# Submission time Handle Problem Language Result Execution time Memory
627477 2022-08-12T15:28:49 Z inwbear Rarest Insects (IOI22_insects) C++17
0 / 100
 164 ms 332 KB 
#include "insects.h"
#include<bits/stdc++.h>
#define pb push_back
#define F first
#define S second
using namespace std;

int cc[2005],re,sq;
pair<int,int>pos[2005];
bool ins[2005];

int min_cardinality(int N) {
  re=N;
  vector<int>v;
  vector<pair<int,int> >fr;
  for(int i=0;i<N;i++){
    move_inside(i);
    if(press_button()>1){
      move_outside(i);
      fr.pb({i,false});
    }
    else v.pb(i),ins[i]=true;
  }
  if(v.size()!=(int)sqrt(v.size())*(int)sqrt(v.size()))sq=(int)sqrt(v.size())+1;
  else sq=(int)sqrt(v.size());
  for(int i=0;i<v.size();i++)move_outside(v[i]);
  for(int i=0;i<v.size();i+=sq){
    for(int j=i;j<v.size()&&j<i+sq;j++){
      move_inside(v[j]);
    }
    for(int j=0;j<fr.size();j++){
      if(fr[j].S)continue;
      move_inside(fr[j].F);
      if(press_button()>1){
        fr[j].S=true;
        pos[fr[j].F].F=i/sq;
      }
      move_outside(fr[j].F);
    }
    for(int j=i;j<v.size()&&j<i+sq;j++){
      move_outside(v[j]);
    }
  }
  for(int i=0;i<sq;i++){
    for(int j=i;j<v.size();j+=sq){
      move_inside(v[j]);
    }
    for(int j=0;j<fr.size();j++){
      if(!fr[j].S)continue;
      move_inside(fr[j].F);
      if(press_button()>1){
        fr[j].S=false;
        pos[fr[j].F].S=i;
      }
      move_outside(fr[j].F);
    }
    for(int j=i;j<v.size();j+=sq){
      move_inside(v[j]);
    }
  }
  //for(int i=0;i<fr.size();i++)printf("[%d %d]",pos[fr[i].F].F,pos[fr[i].F].S);
  for(int i=0;i<fr.size();i++){
    cc[(pos[fr[i].F].F*sq)+pos[fr[i].F].S]++;
  }
  for(int i=0;i<v.size();i++)re=min(re,cc[v[i]]+1);
  return re;
}

Compilation message

insects.cpp: In function 'int min_cardinality(int)':
insects.cpp:24:14: warning: comparison of integer expressions of different signedness: 'std::vector<int>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
   24 |   if(v.size()!=(int)sqrt(v.size())*(int)sqrt(v.size()))sq=(int)sqrt(v.size())+1;
      |      ~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
insects.cpp:26:16: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   26 |   for(int i=0;i<v.size();i++)move_outside(v[i]);
      |               ~^~~~~~~~~
insects.cpp:27:16: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   27 |   for(int i=0;i<v.size();i+=sq){
      |               ~^~~~~~~~~
insects.cpp:28:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   28 |     for(int j=i;j<v.size()&&j<i+sq;j++){
      |                 ~^~~~~~~~~
insects.cpp:31:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   31 |     for(int j=0;j<fr.size();j++){
      |                 ~^~~~~~~~~~
insects.cpp:40:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   40 |     for(int j=i;j<v.size()&&j<i+sq;j++){
      |                 ~^~~~~~~~~
insects.cpp:45:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   45 |     for(int j=i;j<v.size();j+=sq){
      |                 ~^~~~~~~~~
insects.cpp:48:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   48 |     for(int j=0;j<fr.size();j++){
      |                 ~^~~~~~~~~~
insects.cpp:57:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   57 |     for(int j=i;j<v.size();j+=sq){
      |                 ~^~~~~~~~~
insects.cpp:62:16: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   62 |   for(int i=0;i<fr.size();i++){
      |               ~^~~~~~~~~~
insects.cpp:65:16: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   65 |   for(int i=0;i<v.size();i++)re=min(re,cc[v[i]]+1);
      |               ~^~~~~~~~~

Subtask #1
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 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 4 ms 312 KB Output is correct
7 Correct 3 ms 208 KB Output is correct
8 Incorrect 14 ms 208 KB Wrong answer.
9 Halted 0 ms 0 KB -

Subtask #2
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 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 4 ms 312 KB Output is correct
7 Correct 3 ms 208 KB Output is correct
8 Incorrect 14 ms 208 KB Wrong answer.
9 Halted 0 ms 0 KB -

Subtask #3
0 / 75.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 208 KB Output is correct
2 Partially correct 0 ms 208 KB Output is partially correct
3 Partially correct 0 ms 208 KB Output is partially correct
4 Partially correct 0 ms 208 KB Output is partially correct
5 Partially correct 0 ms 208 KB Output is partially correct
6 Partially correct 1 ms 208 KB Output is partially correct
7 Correct 44 ms 332 KB Output is correct
8 Partially correct 21 ms 320 KB Output is partially correct
9 Incorrect 164 ms 332 KB Wrong answer.
10 Halted 0 ms 0 KB -