Submission #936182

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
936182	2024-03-01T10:21:25 Z	nguyentunglam	City (JOI17_city)	C++17	8 / 100	129 ms	39764 KB

Encoder

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

namespace {
const int NN = 3e5 + 10;

vector<int> adj[NN];

bool vis[NN];

int cnt = -1;
}


void dfs(int u, int p) {
  vis[u] = 1;
  int st = ++cnt;
  for(int &v : adj[u]) if (v != p) dfs(v, u);
  int diff = 1, deg = 0;
  while (diff < cnt - st) diff *= 2, deg++;
  cnt = st + diff;
  long long code = st * 19 + deg;
//  cout << st << " " << cnt << " " << deg << " " << u << endl;
  assert(code < (1 << 27));
  Code(u, code);
}

void Encode(int N, int A[], int B[])
{
  for(int i = 0; i < N - 1; i++) {
    adj[A[i]].push_back(B[i]);
    adj[B[i]].push_back(A[i]);
  }
  for(int i = 0; i < N; i++) if (!vis[i]) dfs(i, i);
}

Device

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

void InitDevice()
{

}

int Answer(long long S, long long T)
{
  long long st_x = S / 19;
  long long ed_x = st_x + (1 << (S % 19));

  long long st_y = T / 19;
  long long ed_y = st_y + (1 << (T % 19));

//  cout << st_x << " " << ed_x << endl;
//  cout << st_y << " " << ed_y << endl;

  if (st_x <= st_y && st_y <= ed_x) return 1;
  if (st_y <= st_x && st_x <= ed_y) return 0;
	return 2;
}

Subtask #1

8.0 / 8.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	3 ms	13068 KB	Output is correct
2	Correct	4 ms	13068 KB	Output is correct
3	Correct	2 ms	13084 KB	Output is correct
4	Correct	2 ms	13084 KB	Output is correct
5	Correct	2 ms	13084 KB	Output is correct
6	Correct	3 ms	13084 KB	Output is correct
7	Correct	2 ms	13084 KB	Output is correct
8	Correct	2 ms	13084 KB	Output is correct
9	Correct	3 ms	13068 KB	Output is correct
10	Correct	2 ms	13396 KB	Output is correct
11	Correct	2 ms	13084 KB	Output is correct
12	Correct	3 ms	13076 KB	Output is correct

Subtask #2

0 / 92.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	129 ms	20644 KB	Output is correct - L = 175256
2	Correct	124 ms	20516 KB	Output is correct - L = 1246191
3	Correct	129 ms	20784 KB	Output is correct - L = 181811
4	Correct	125 ms	20648 KB	Output is correct - L = 726655
5	Runtime error	81 ms	39764 KB	Execution killed with signal 6
6	Halted	0 ms	0 KB	-