Submission #714219

#	Time	Username	Problem	Language	Result	Execution time	Memory
714219		vjudge1	Art Collections (BOI22_art)	C++17	70 / 100	2168 ms	63356 KiB

art

#include "art.h"
#include<bits/stdc++.h>
using namespace std;
//
// --- Sample implementation for the task art ---
//
// To compile this program with the sample grader, place:
//     art.h art_sample.cpp sample_grader.cpp
// in a single folder, then open the terminal in this directory (right-click onto an empty spot in the directory,
// left click on "Open in terminal") and enter e.g.:
//     g++ -std=c++17 art_sample.cpp sample_grader.cpp
// in this folder. This will create a file a.out in the current directory which you can execute from the terminal
// as ./a.out
// See task statement or sample_grader.cpp for the input specification
//
int n;
map<vector<int>, int> mp;
int get(vector<int> v) {
  if(mp.find(v)!=mp.end())return mp[v];
  return (mp[v]=publish(v));
}
void solve(int N) {
  n=N;
  vector<int> def(N);
  iota(def.begin(),def.end(),1);
  vector<int> smaller(N+1);
  for(int i = 1;i<=n;i++) {
    vector<int> v;
    for(int j = 1;j<=n;j++) {
      if(j!=i)v.push_back(j);
    }
    v.push_back(i);
    int smaller_left=((n-i)-(get(v)-get(def)))/2;
    smaller[i]+=smaller_left;
  }
  reverse(def.begin(),def.end());
  for(int i = 1;i<=n;i++) {
    vector<int> v;
    for(int j = n;j>=1;j--) {
      if(j!=i)v.push_back(j);
    }
    v.push_back(i);
    int smaller_right=((i-1)-(get(v)-get(def)))/2;
    smaller[i]+=smaller_right;
  }
  vector<int> res(n);
  for(int i=1;i<=n;i++)res[smaller[i]]=i;
  answer(res);
}

Compilation message (stderr)

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: 20 / 20
• Subtask 6: 0 / 30