Submission #677865

#	Time	Username	Problem	Language	Result	Execution time	Memory
677865		jamezzz	Art Collections (BOI22_art)	C++17	100 / 100	1547 ms	724 KiB

art

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

void solve(int N){
	vector<int> v;
	for(int i=1;i<=N;++i)v.push_back(i);
	int cost=publish(v);
	
	vector<int> ans={1};
	for(int i=2;i<=N;++i){
		vector<int> v={i};
		for(int j=1;j<=N;++j){
			if(i!=j)v.push_back(j);
		}
		int newcost=publish(v);
		int diff=newcost-cost;
		int small=(i+diff)/2;
		
		vector<int> newans;
		for(int j=0;j<small;++j)newans.push_back(ans[j]);
		newans.push_back(i);
		for(int j=small;j<ans.size();++j)newans.push_back(ans[j]);
		swap(newans,ans);
		newans.clear();
	}
	
	answer(ans);
}

Compilation message (stderr)

art.cpp: In function 'void solve(int)':
art.cpp:23:20: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   23 |   for(int j=small;j<ans.size();++j)newans.push_back(ans[j]);
      |                   ~^~~~~~~~~~~
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: 30 / 30