Submission #1098864

#	Time	Username	Problem	Language	Result	Execution time	Memory
1098864		epicci23	Art Collections (BOI22_art)	C++17	100 / 100	1293 ms	1192 KiB

art

#include "bits/stdc++.h"
#include "art.h"
//#define int long long
#define all(v) v.begin() , v.end()
#define sz(a) (int)a.size()
using namespace std;

void solve(int n){
 vector<int> ans(n, -1);
 vector<int> cur;
 for(int j = 1; j <= n; j++) cur.push_back(j);
 int xd = publish(cur), agla = 0;
 for(int i = 1; i < n; i++){
   vector<int> v;
   for(int j = 1; j <= i; j++) v.push_back(j);
   for(int j = n; j > i; j--) v.push_back(j);
   int hm = xd + publish(v);
   hm -= agla * 2;
   hm -= (n-i) * (n-1-i) / 2;
   hm /= 2;
   int koy;
   for(int j=0;j<n;j++){
   	if(ans[j]!=-1) continue;
   	if(hm==0){
   	  ans[j]=i;
   	  koy=j;
   	  break;
   	}
   	hm--;
   }
   for(int j=0;j<koy;j++) if(ans[j]==-1) agla++;
 }

 for(int i=0;i<n;i++){
   if(ans[i]==-1){
   	 ans[i]=n;
   	 break;
   }
 }
 answer(ans);
}

/*void _(){
	
}

int32_t main(){
  cin.tie(0); ios::sync_with_stdio(0);
  int tc=1;//cin >> tc;
  while(tc--) _();
  return 0;
}*/

Compilation message (stderr)

art.cpp: In function 'void solve(int)':
art.cpp:21:8: warning: 'koy' may be used uninitialized in this function [-Wmaybe-uninitialized]
   21 |    int koy;
      |        ^~~
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