Submission #603306

#	Time	Username	Problem	Language	Result	Execution time	Memory
603306		DanerZein	Art Collections (BOI22_art)	C++17	50 / 100	863 ms	32136 KiB

art

#include "art.h"
#include <bits/stdc++.h>
using namespace std;

map<vector<int>,int> que;
int cost(vector<int> x,int i,int j){
  swap(x[i],x[j]);
  if(que.find(x)!=que.end()) return que[x];
  return que[x]=publish(x);
}
void printA(vector<int> &y){
  for(int i=0;i<y.size();i++) cout<<y[i]<<" ";
  cout<<endl;
}
int ori;
vector<int> ord;
vector<int> merge_sort(vector<int> x){
  if(x.size()==1) return x;
  vector<int> m1,m2;
  for(int i=0;i<x.size()/2;i++) m1.push_back(x[i]);
  for(int i=x.size()/2;i<x.size();i++) m2.push_back(x[i]);
  m1=merge_sort(m1);
  m2=merge_sort(m2);
  vector<int> o;
  int i=0,j=0;
  while(i!=m1.size() || j!=m2.size()){
    if(i==m1.size()){
      o.push_back(m2[j]); j++;
      continue;
    }
    if(j==m2.size()){
      o.push_back(m1[i]); i++;
      continue;
    }
    if(cost(ord,m1[i]-1,m2[j]-1)>ori){
      o.push_back(m1[i]);
      i++;
    }
    else {
      o.push_back(m2[j]);
      j++;
    }
  }
  return o;
}
void solve(int N) {
  for(int i=1;i<=N;i++) ord.push_back(i);
  ori=publish(ord);
  ord=merge_sort(ord);
  answer(ord);
}

Compilation message (stderr)

art.cpp: In function 'void printA(std::vector<int>&)':
art.cpp:12:16: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   12 |   for(int i=0;i<y.size();i++) cout<<y[i]<<" ";
      |               ~^~~~~~~~~
art.cpp: In function 'std::vector<int> merge_sort(std::vector<int>)':
art.cpp:20:16: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   20 |   for(int i=0;i<x.size()/2;i++) m1.push_back(x[i]);
      |               ~^~~~~~~~~~~
art.cpp:21:25: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   21 |   for(int i=x.size()/2;i<x.size();i++) m2.push_back(x[i]);
      |                        ~^~~~~~~~~
art.cpp:26:10: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   26 |   while(i!=m1.size() || j!=m2.size()){
      |         ~^~~~~~~~~~~
art.cpp:26:26: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   26 |   while(i!=m1.size() || j!=m2.size()){
      |                         ~^~~~~~~~~~~
art.cpp:27:9: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   27 |     if(i==m1.size()){
      |        ~^~~~~~~~~~~
art.cpp:31:9: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   31 |     if(j==m2.size()){
      |        ~^~~~~~~~~~~
interface.cpp: In function 'int publish(std::vector<int>)':
interface.cpp:20:17: warning: comparison of integer expressions of different signedness: 'std::vector<int>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
   20 |     if(v.size() != N) {
      |        ~~~~~~~~~^~~~
interface.cpp: In function 'void answer(std::vector<int>)':
interface.cpp:36:17: warning: comparison of integer expressions of different signedness: 'std::vector<int>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
   36 |     if(v.size() != N) {
      |        ~~~~~~~~~^~~~

• Subtask 1: 5 / 5
• Subtask 2: 15 / 15
• Subtask 3: 15 / 15
• Subtask 4: 15 / 15
• Subtask 5: 0 / 20
• Subtask 6: 0 / 30