oj.uz

답안 #969154

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
969154 2024-04-24T15:44:05 Z abczz Snowy Roads (JOI16_snowy) C++14
100 / 100
 17 ms 1996 KB 
#include "Anyalib.h"
#include <iostream>
#include <array>
#include <vector>
#define ll long long
 
using namespace std;
 
vector <array<ll, 2> > adj[500];
vector <int> c;
ll n, sz, f, z, q, D[500], cnt[12];
 
void dfs(ll u, ll p, ll w) {
  D[u] = w;
  ++cnt[w];
  for (auto [v, x] : adj[u]) {
    if (v != p) dfs(v, u, (w+1)%12);
  }
}
 
void dfs2(ll u, ll p, ll w) {
  for (auto [v, x] : adj[u]) {
    if (v != p) {
      dfs2(v, u, w+c[x]);
      if (D[v] != z) Save(sz++, c[x]);
    }
  }
  if (u && D[u] == z) {
    for (int i=8; i>=0; --i) {
      if ((w & (1<<i))) Save(sz++, 1);
      else Save(sz++, 0);
    }
  }
}
 
void InitAnya(int N, int A[], int B[]) {
  n = N;
  for (int i=0; i<N; ++i) {
    adj[i].clear();
  }
  for (int i=0; i<N-1; ++i) {
    adj[A[i]].push_back({B[i],i});
    adj[B[i]].push_back({A[i],i});
  }
  dfs(0, -1, 0);
  f = 1e18;
  for (int i=0; i<12; ++i) {
    if (f > cnt[i] && cnt[i]) {
      f = cnt[i];
      z = i;
    }
  }
}
 
void Anya(int C[]) {
  c.clear();
  for (int i=0; i<n; ++i) c.push_back(C[i]);
  sz = 0;
  dfs2(0, -1, 0);
}
#include "Borislib.h"
#include <iostream>
#include <array>
#include <vector>
#define ll long long
 
using namespace std;
 
vector <array<ll, 2> > adj[500];
vector <int> c;
ll n, sz, f, z, q, D[500], cnt[12];
 
void dfs(ll u, ll p, ll w) {
  D[u] = w;
  ++cnt[w];
  for (auto [v, x] : adj[u]) {
    if (v != p) dfs(v, u, (w+1)%12);
  }
}
 
bool query(ll u, ll p) {
  bool B = 0, res;
  if (u == q) B = 1;
  for (auto [v, x] : adj[u]) {
    if (v != p) {
      res = query(v, u);
      if (res) f += Ask(sz);
      if (D[v] != z) sz++;
      B |= res;
    }
  }
  if (u && D[u] == z) {
    for (int i=8; i>=0; --i) {
      if (B) f += Ask(sz)*(1<<i);
      sz++;
    }
    return 0;
  }
  return B;
}
 
void InitBoris(int N, int A[], int B[]) {
  n = N;
  for (int i=0; i<N; ++i) {
    adj[i].clear();
  }
  for (int i=0; i<N-1; ++i) {
    adj[A[i]].push_back({B[i],i});
    adj[B[i]].push_back({A[i],i});
  }
  dfs(0, -1, 0);
  f = 1e18;
  for (int i=0; i<12; ++i) {
    if (f > cnt[i] && cnt[i]) {
      f = cnt[i];
      z = i;
    }
  }
}
 
int Boris(int city) {
  q = city;
  f = sz = 0;
  query(0, -1);
  return f;
}

Compilation message

Anya.cpp: In function 'void dfs(long long int, long long int, long long int)':
Anya.cpp:16:13: warning: structured bindings only available with '-std=c++17' or '-std=gnu++17'
   16 |   for (auto [v, x] : adj[u]) {
      |             ^
Anya.cpp: In function 'void dfs2(long long int, long long int, long long int)':
Anya.cpp:22:13: warning: structured bindings only available with '-std=c++17' or '-std=gnu++17'
   22 |   for (auto [v, x] : adj[u]) {
      |             ^

Boris.cpp: In function 'void dfs(long long int, long long int, long long int)':
Boris.cpp:16:13: warning: structured bindings only available with '-std=c++17' or '-std=gnu++17'
   16 |   for (auto [v, x] : adj[u]) {
      |             ^
Boris.cpp: In function 'bool query(long long int, long long int)':
Boris.cpp:24:13: warning: structured bindings only available with '-std=c++17' or '-std=gnu++17'
   24 |   for (auto [v, x] : adj[u]) {
      |             ^

Subtask #1
15.0 / 15.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 792 KB Output is correct
2 Correct 1 ms 804 KB Output is correct
3 Correct 2 ms 848 KB Output is correct
4 Correct 3 ms 1132 KB Output is correct
5 Correct 5 ms 1204 KB Output is correct
6 Correct 5 ms 1212 KB Output is correct
7 Correct 5 ms 1212 KB Output is correct
8 Correct 5 ms 1284 KB Output is correct
9 Correct 4 ms 1204 KB Output is correct
10 Correct 5 ms 1212 KB Output is correct

Subtask #2
5.0 / 5.0

# 결과 실행 시간 메모리 Grader output
1 Correct 5 ms 1200 KB Output is correct
2 Correct 6 ms 1248 KB Output is correct
3 Correct 7 ms 1244 KB Output is correct
4 Correct 6 ms 1256 KB Output is correct
5 Correct 6 ms 1252 KB Output is correct
6 Correct 5 ms 1256 KB Output is correct
7 Correct 6 ms 1248 KB Output is correct
8 Correct 5 ms 1248 KB Output is correct
9 Correct 6 ms 1248 KB Output is correct
10 Correct 5 ms 1248 KB Output is correct

Subtask #3
35.0 / 35.0

# 결과 실행 시간 메모리 Grader output
1 Correct 13 ms 1216 KB Output is correct
2 Correct 13 ms 1728 KB Output is correct
3 Correct 14 ms 1716 KB Output is correct
4 Correct 13 ms 1728 KB Output is correct
5 Correct 12 ms 1968 KB Output is correct
6 Correct 13 ms 1732 KB Output is correct
7 Correct 14 ms 1732 KB Output is correct
8 Correct 14 ms 1712 KB Output is correct
9 Correct 15 ms 1952 KB Output is correct
10 Correct 13 ms 1732 KB Output is correct
11 Correct 16 ms 1720 KB Output is correct
12 Correct 14 ms 1728 KB Output is correct
13 Correct 13 ms 1724 KB Output is correct
14 Correct 13 ms 1728 KB Output is correct
15 Correct 15 ms 1732 KB Output is correct
16 Correct 17 ms 1724 KB Output is correct
17 Correct 14 ms 1724 KB Output is correct
18 Correct 13 ms 1752 KB Output is correct
19 Correct 15 ms 1704 KB Output is correct
20 Correct 13 ms 1732 KB Output is correct

Subtask #4
45.0 / 45.0

# 결과 실행 시간 메모리 Grader output
1 Correct 11 ms 1216 KB Output is correct
2 Correct 13 ms 1716 KB Output is correct
3 Correct 12 ms 1984 KB Output is correct
4 Correct 13 ms 1716 KB Output is correct
5 Correct 14 ms 1724 KB Output is correct
6 Correct 11 ms 1728 KB Output is correct
7 Correct 14 ms 1724 KB Output is correct
8 Correct 11 ms 1728 KB Output is correct
9 Correct 14 ms 1724 KB Output is correct
10 Correct 13 ms 1720 KB Output is correct
11 Correct 14 ms 1704 KB Output is correct
12 Correct 11 ms 1708 KB Output is correct
13 Correct 14 ms 1728 KB Output is correct
14 Correct 14 ms 1724 KB Output is correct
15 Correct 15 ms 1724 KB Output is correct
16 Correct 12 ms 1840 KB Output is correct
17 Correct 14 ms 1924 KB Output is correct
18 Correct 16 ms 1724 KB Output is correct
19 Correct 16 ms 1740 KB Output is correct
20 Correct 13 ms 1776 KB Output is correct
21 Correct 13 ms 1744 KB Output is correct
22 Correct 13 ms 1740 KB Output is correct
23 Correct 13 ms 1740 KB Output is correct
24 Correct 13 ms 1744 KB Output is correct
25 Correct 13 ms 1748 KB Output is correct
26 Correct 13 ms 1740 KB Output is correct
27 Correct 13 ms 1744 KB Output is correct
28 Correct 13 ms 1728 KB Output is correct
29 Correct 15 ms 1996 KB Output is correct
30 Correct 15 ms 1724 KB Output is correct
31 Correct 13 ms 1724 KB Output is correct
32 Correct 12 ms 1788 KB Output is correct
33 Correct 14 ms 1716 KB Output is correct
34 Correct 11 ms 1728 KB Output is correct
35 Correct 11 ms 1848 KB Output is correct
36 Correct 14 ms 1732 KB Output is correct
37 Correct 11 ms 1724 KB Output is correct
38 Correct 14 ms 1740 KB Output is correct
39 Correct 11 ms 1720 KB Output is correct
40 Correct 11 ms 1720 KB Output is correct
41 Correct 11 ms 1720 KB Output is correct
42 Correct 11 ms 1720 KB Output is correct
43 Correct 11 ms 1728 KB Output is correct
44 Correct 12 ms 1728 KB Output is correct
45 Correct 11 ms 1720 KB Output is correct
46 Correct 12 ms 1716 KB Output is correct
47 Correct 11 ms 1720 KB Output is correct
48 Correct 11 ms 1724 KB Output is correct
49 Correct 11 ms 1716 KB Output is correct
50 Correct 13 ms 1712 KB Output is correct