oj.uz

답안 #39349

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
39349 2018-01-12T04:20:53 Z funcsr Snowy Roads (JOI16_snowy) C++14
100 / 100
 22 ms 4248 KB 
#include "Anyalib.h"
#include <iostream>
#include <string>
#include <vector>
#include <queue>
#include <set>
#include <cassert>
#include <algorithm>
using namespace std;
typedef pair<int, int> P;
#define rep(i, n) for (int i=0; i<(n); i++)
#define all(x) x.begin(), x.end()
#define uniq(x) x.erase(unique(all(x)), x.end())
#define index(x, y) (int)(lower_bound(all(x), y) - x.begin())
#define _1 first
#define _2 second
#define pb push_back
#define INF 1145141919
const int D = 11;

namespace A {
  int N;
  vector<P> G[500];
  int dp[500][20];

  int dfs(int x, int p, int d) {
    if (dp[x][d] != -1) return dp[x][d];
    int s = (d==0);
    for (P pp : G[x]) if (pp._1 != p) {
      int t = pp._1;
      s += min(dfs(t, x, 0), d<D?dfs(t, x, d+1):INF);
    }
    return dp[x][d] = s;
  }
  vector<int> pts;
  void dfs2(int x, int p, int d) {
    if (d == 0) pts.pb(x);
    for (P pp : G[x]) if (pp._1 != p) {
      int t = pp._1;
      if (dfs(t, x, 0) <= (d<D?dfs(t, x, d+1):INF)) {
        dfs2(t, x, 0);
      }
      else {
        dfs2(t, x, d+1);
      }
    }
  }
  void InitAnya(int NN, int A[] , int B[]) {
    N = NN;
    rep(i, N-1) {
      G[A[i]].pb(P(B[i], i));
      G[B[i]].pb(P(A[i], i));
    }
    rep(i, N) rep(j, D+1) dp[i][j] = -1;
    int num = dfs(0, -1, 0);
    //cout<<"num="<<num<<"\n";
    assert(num <= 55);
    dfs2(0, -1, 0);
    //cout<<"{"; for (int x:  pts)cout<<x<<",";cout<<"}\n";
  }
  int C[500], R[500];
  void dfs3(int x, int p, int r) {
    R[x] = r;
    for (P pp : G[x]) if (pp._1 != p) {
      int t = pp._1;
      dfs3(t, x, r+C[pp._2]);
    }
  }
  void Anya(int CC[]) {
    //rep(i, N-1) cout<<CC[i];cout<<"\n";
    rep(i, N-1) C[i] = CC[i], Save(i, C[i]);
    dfs3(0, -1, 0);
    rep(i, pts.size()) {
      int v = pts[i];
      //cout<<"ans["<<v<<"]="<<R[v]<<"\n";
      rep(o, 9) {
        Save(N-1+9*i+o, (R[v]>>o)&1);
      }
    }
  }
}
void InitAnya(int NN, int A[] , int B[]) {
  A::InitAnya(NN, A, B);
}

void Anya(int CC[]) {
  A::Anya(CC);
}

#include "Borislib.h"
#include <iostream>
#include <string>
#include <vector>
#include <queue>
#include <set>
#include <cassert>
#include <algorithm>
using namespace std;
typedef pair<int, int> P;
typedef pair<int, P> P2;
#define rep(i, n) for (int i=0; i<(n); i++)
#define all(x) x.begin(), x.end()
#define uniq(x) x.erase(unique(all(x)), x.end())
#define index(x, y) (int)(lower_bound(all(x), y) - x.begin())
#define _1 first
#define _2 second
#define pb push_back
#define INF 1145141919
const int D = 11;

int N;
vector<P> G[500];
int dp[500][20];
int U[500], Ue[500];

int dfs(int x, int p, int d) {
  if (dp[x][d] != -1) return dp[x][d];
  U[x] = p;
  int s = (d==0);
  for (P pp : G[x]) if (pp._1 != p) {
    int t = pp._1;
    Ue[t] = pp._2;
    s += min(dfs(t, x, 0), d<D?dfs(t, x, d+1):INF);
  }
  return dp[x][d] = s;
}
vector<int> pts;
void dfs2(int x, int p, int d) {
  if (d == 0) pts.pb(x);
  for (P pp : G[x]) if (pp._1 != p) {
    int t = pp._1;
    if (dfs(t, x, 0) <= (d<D?dfs(t, x, d+1):INF)) {
      dfs2(t, x, 0);
    }
    else {
      dfs2(t, x, d+1);
    }
  }
}

int pos[500];
void InitBoris(int NN, int A[], int B[]) {
  N = NN;
  rep(i, N-1) {
    G[A[i]].pb(P(B[i], i));
    G[B[i]].pb(P(A[i], i));
  }
  rep(i, N) rep(j, D+1) dp[i][j] = -1;
  int num = dfs(0, -1, 0);
  assert(num <= 55);
  dfs2(0, -1, 0);
  rep(i, N) pos[i] = -1;
  rep(i, pts.size()) pos[pts[i]] = i;
  //cout<<"{"; for (int x:  pts)cout<<x<<",";cout<<"}\n";
}

int Boris(int x) {
  int s = 0, up = 0;
  while (pos[x] == -1) s += Ask(Ue[x]), x = U[x], up++;
  assert(up <= D);
  //while (pos[x] == -1) cout<<"up->"<<U[x]<<"\n",s += Ask(Ue[x]), x = U[x];
  int base = N-1+9*pos[x];
  int ans = 0;
  rep(o, 9) ans |= (Ask(base+o)<<o);
  //cout<<"boris("<<x<<") = "<<ans<<"\n";
  return ans+s;
}

Compilation message

Anya.cpp: In function 'void A::Anya(int*)':
Anya.cpp:11:34: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
 #define rep(i, n) for (int i=0; i<(n); i++)
                                  ^
Anya.cpp:73:5: note: in expansion of macro 'rep'
     rep(i, pts.size()) {
     ^

Boris.cpp: In function 'void InitBoris(int, int*, int*)':
Boris.cpp:12:34: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
 #define rep(i, n) for (int i=0; i<(n); i++)
                                  ^
Boris.cpp:64:3: note: in expansion of macro 'rep'
   rep(i, pts.size()) pos[pts[i]] = i;
   ^

Subtask #1
15.0 / 15.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 4248 KB Output is correct
2 Correct 0 ms 4248 KB Output is correct
3 Correct 0 ms 4248 KB Output is correct
4 Correct 0 ms 4248 KB Output is correct
5 Correct 6 ms 4248 KB Output is correct
6 Correct 3 ms 4248 KB Output is correct
7 Correct 6 ms 4248 KB Output is correct
8 Correct 3 ms 4248 KB Output is correct
9 Correct 6 ms 4248 KB Output is correct
10 Correct 3 ms 4248 KB Output is correct

Subtask #2
5.0 / 5.0

# 결과 실행 시간 메모리 Grader output
1 Correct 6 ms 4248 KB Output is correct
2 Correct 3 ms 4248 KB Output is correct
3 Correct 6 ms 4248 KB Output is correct
4 Correct 6 ms 4248 KB Output is correct
5 Correct 6 ms 4248 KB Output is correct
6 Correct 3 ms 4248 KB Output is correct
7 Correct 3 ms 4248 KB Output is correct
8 Correct 0 ms 4248 KB Output is correct
9 Correct 9 ms 4248 KB Output is correct
10 Correct 6 ms 4248 KB Output is correct

Subtask #3
35.0 / 35.0

# 결과 실행 시간 메모리 Grader output
1 Correct 9 ms 4248 KB Output is correct
2 Correct 12 ms 4248 KB Output is correct
3 Correct 16 ms 4248 KB Output is correct
4 Correct 12 ms 4248 KB Output is correct
5 Correct 12 ms 4248 KB Output is correct
6 Correct 16 ms 4248 KB Output is correct
7 Correct 19 ms 4248 KB Output is correct
8 Correct 19 ms 4248 KB Output is correct
9 Correct 19 ms 4248 KB Output is correct
10 Correct 12 ms 4248 KB Output is correct
11 Correct 16 ms 4248 KB Output is correct
12 Correct 12 ms 4248 KB Output is correct
13 Correct 16 ms 4248 KB Output is correct
14 Correct 12 ms 4248 KB Output is correct
15 Correct 9 ms 4248 KB Output is correct
16 Correct 16 ms 4248 KB Output is correct
17 Correct 16 ms 4248 KB Output is correct
18 Correct 12 ms 4248 KB Output is correct
19 Correct 16 ms 4248 KB Output is correct
20 Correct 12 ms 4248 KB Output is correct

Subtask #4
45.0 / 45.0

# 결과 실행 시간 메모리 Grader output
1 Correct 6 ms 4248 KB Output is correct
2 Correct 9 ms 4248 KB Output is correct
3 Correct 16 ms 4248 KB Output is correct
4 Correct 16 ms 4248 KB Output is correct
5 Correct 12 ms 4248 KB Output is correct
6 Correct 12 ms 4248 KB Output is correct
7 Correct 12 ms 4248 KB Output is correct
8 Correct 12 ms 4248 KB Output is correct
9 Correct 12 ms 4248 KB Output is correct
10 Correct 12 ms 4248 KB Output is correct
11 Correct 16 ms 4248 KB Output is correct
12 Correct 12 ms 4248 KB Output is correct
13 Correct 22 ms 4248 KB Output is correct
14 Correct 16 ms 4248 KB Output is correct
15 Correct 16 ms 4248 KB Output is correct
16 Correct 9 ms 4248 KB Output is correct
17 Correct 12 ms 4248 KB Output is correct
18 Correct 12 ms 4248 KB Output is correct
19 Correct 12 ms 4248 KB Output is correct
20 Correct 16 ms 4248 KB Output is correct
21 Correct 9 ms 4248 KB Output is correct
22 Correct 12 ms 4248 KB Output is correct
23 Correct 12 ms 4248 KB Output is correct
24 Correct 12 ms 4248 KB Output is correct
25 Correct 12 ms 4248 KB Output is correct
26 Correct 19 ms 4248 KB Output is correct
27 Correct 12 ms 4248 KB Output is correct
28 Correct 19 ms 4248 KB Output is correct
29 Correct 12 ms 4248 KB Output is correct
30 Correct 12 ms 4248 KB Output is correct
31 Correct 16 ms 4248 KB Output is correct
32 Correct 12 ms 4248 KB Output is correct
33 Correct 9 ms 4248 KB Output is correct
34 Correct 12 ms 4248 KB Output is correct
35 Correct 3 ms 4248 KB Output is correct
36 Correct 12 ms 4248 KB Output is correct
37 Correct 6 ms 4248 KB Output is correct
38 Correct 16 ms 4248 KB Output is correct
39 Correct 16 ms 4248 KB Output is correct
40 Correct 12 ms 4248 KB Output is correct
41 Correct 16 ms 4248 KB Output is correct
42 Correct 19 ms 4248 KB Output is correct
43 Correct 9 ms 4248 KB Output is correct
44 Correct 12 ms 4248 KB Output is correct
45 Correct 12 ms 4248 KB Output is correct
46 Correct 19 ms 4248 KB Output is correct
47 Correct 9 ms 4248 KB Output is correct
48 Correct 9 ms 4248 KB Output is correct
49 Correct 12 ms 4248 KB Output is correct
50 Correct 12 ms 4248 KB Output is correct