oj.uz

답안 #125078

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
125078 2019-07-04T14:30:27 Z RockyB 최후의 만찬 (IOI12_supper) C++17
0 / 100
 449 ms 31984 KB 
#include "advisor.h"
#include <bits/stdc++.h>

#define f first
#define s second

#define pb push_back
#define pp pop_back

#define sz(x) (int)x.size()

#define rep(z, a, b) for (int z = (a); (z) <= (b); z++)
#define per(z, a, b) for (int z = (a); (z) >= (b); z--)

using namespace std;

const int MAXN = (int)2e5 + 7;


struct tree {
  int t[MAXN << 2];
  void upd(int p, int x, int v = 1, int tl = 0, int tr = MAXN) {
    if (tl == tr) {
      t[v] += x;
      return;
    }
    int tm = tl + tr >> 1;
    if (p <= tm) upd(p, x, v << 1, tl, tm);
    else upd(p, x, v << 1 | 1, tm +1 , tr);
    t[v] = t[v << 1] + t[v << 1 | 1];
  }
  int get(int l, int r, int v = 1, int tl = 0, int tr = MAXN) {
    if (l <= tl && tr <= r) return t[v];
    if (tl > r || tr < l) return 0;
    int tm = tl + tr >> 1;
    return get(l, r, v << 1, tl, tm) + get(l, r, v << 1 | 1, tm + 1, tr);
  }
  int kth(int x, int v = 1, int tl = 0, int tr = MAXN) {
    if (tl == tr) return tl;
    int tm = tl + tr >> 1;
    if (t[v << 1] >= x) return kth(x, v << 1, tl, tm);
    return kth(x - t[v << 1], v << 1 | 1, tm + 1, tr);
  }
} f;

vector <int> nxt[MAXN];
set <int> in;
set < pair <int, int > > dp;
void ComputeAdvice(int *C, int N, int K, int M) {
  rep(i, 0, N - 1) {
    nxt[i].pb(N);
  }
  per(i, N - 1, 0) {
    nxt[C[i]].pb(i);
  }
  rep(i, 0, K - 1) {
    in.insert(i);
    dp.insert({nxt[i].back(), i});
    f.upd(i, 1);
  }
  int LOG = log2(K);
  rep(i, 0, N - 1) {
    if (in.count(C[i])) {
      continue;
    }

    while (sz(dp) && dp.begin() -> f <= i) {
      int x = dp.begin() -> s;
      dp.erase(dp.begin());
      nxt[x].pp();
      dp.insert({nxt[x].back(), x});
    }

    int del = dp.rbegin() -> s, id = f.get(0, del) - 1;
    
    dp.erase(--dp.end());
    in.erase(del);
    in.insert(C[i]);
    f.upd(C[i], 1);
    f.upd(del, -1);
    dp.insert({nxt[C[i]].back(), C[i]});
    // cerr << "PUT -> " << del << endl;
    rep(j, 0, LOG) {
      if (id & (1 << j)) WriteAdvice(1);
      else WriteAdvice(0);
    }
  }
} 

#include "assistant.h"
#include <bits/stdc++.h>

#define f first
#define s second

#define pb push_back
#define pp pop_back

#define sz(x) (int)x.size()

#define rep(z, a, b) for (int z = (a); (z) <= (b); z++)
#define per(z, a, b) for (int z = (a); (z) >= (b); z--)

using namespace std;

const int MAXN = (int)2e5 + 7;

struct fenwick {
  int t[MAXN << 2];
  void upd(int p, int x, int v = 1, int tl = 0, int tr = MAXN) {
    if (tl == tr) {
      t[v] += x;
      return;
    }
    int tm = tl + tr >> 1;
    if (p <= tm) upd(p, x, v << 1, tl, tm);
    else upd(p, x, v << 1 | 1, tm +1 , tr);
    t[v] = t[v << 1] + t[v << 1 | 1];
  }
  int kth(int x, int v = 1, int tl = 0, int tr = MAXN) {
    if (tl == tr) return tl;
    int tm = tl + tr >> 1;
    if (t[v << 1] >= x) return kth(x, v << 1, tl, tm);
    return kth(x - t[v << 1], v << 1 | 1, tm + 1, tr);
  }
} T;

void Assist(unsigned char *A, int N, int K, int R) {
  int LOG = log2(K);
  set <int> st;
  rep(i, 0, K - 1) {
    st.insert(i);
    T.upd(i, 1);
  }
  int i = 0;
  for (int z = 0; z < N; z++) {
    int add = GetRequest();
    if (st.count(add)) {
      i++;
      continue;
    }
    else {
      int id = 0;
      rep(j, 0, LOG) {
        if (A[i + j] == 1) id |= 1 << j;
      }
      int val = T.kth(id + 1);
      i += LOG + 1;
      // cerr << val << " -> " << endl;
      PutBack(val);
      T.upd(val, -1);
      st.erase(val);
    }
    st.insert(add);
    T.upd(add, 1);
  }
}

Compilation message

advisor.cpp: In member function 'void tree::upd(int, int, int, int, int)':
advisor.cpp:27:17: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
     int tm = tl + tr >> 1;
              ~~~^~~~
advisor.cpp: In member function 'int tree::get(int, int, int, int, int)':
advisor.cpp:35:17: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
     int tm = tl + tr >> 1;
              ~~~^~~~
advisor.cpp: In member function 'int tree::kth(int, int, int, int)':
advisor.cpp:40:17: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
     int tm = tl + tr >> 1;
              ~~~^~~~

assistant.cpp: In member function 'void fenwick::upd(int, int, int, int, int)':
assistant.cpp:26:17: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
     int tm = tl + tr >> 1;
              ~~~^~~~
assistant.cpp: In member function 'int fenwick::kth(int, int, int, int)':
assistant.cpp:33:17: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
     int tm = tl + tr >> 1;
              ~~~^~~~

Subtask #1
0 / 8.0

# 결과 실행 시간 메모리 Grader output
1 Incorrect 8 ms 9968 KB Output isn't correct - not an optimal way
2 Halted 0 ms 0 KB -

Subtask #2
0 / 9.0

# 결과 실행 시간 메모리 Grader output
1 Incorrect 34 ms 11760 KB Error - Putting back a color that is not on the scaffold
2 Halted 0 ms 0 KB -

Subtask #3
0 / 9.0

# 결과 실행 시간 메모리 Grader output
1 Incorrect 303 ms 25552 KB Error - Putting back a color that is not on the scaffold
2 Halted 0 ms 0 KB -

Subtask #4
0 / 35.0

# 결과 실행 시간 메모리 Grader output
1 Incorrect 11 ms 10744 KB Error - advice is too long
2 Halted 0 ms 0 KB -

Subtask #5
0.0 / 39.0

# 결과 실행 시간 메모리 Grader output
1 Incorrect 407 ms 29040 KB Error - Putting back a color that is not on the scaffold
2 Incorrect 395 ms 29672 KB Error - Putting back a color that is not on the scaffold
3 Incorrect 371 ms 29864 KB Error - Putting back a color that is not on the scaffold
4 Incorrect 383 ms 29680 KB Error - Putting back a color that is not on the scaffold
5 Incorrect 377 ms 29424 KB Error - Putting back a color that is not on the scaffold
6 Incorrect 384 ms 29680 KB Error - Putting back a color that is not on the scaffold
7 Incorrect 383 ms 29632 KB Error - Putting back a color that is not on the scaffold
8 Incorrect 379 ms 29680 KB Error - Putting back a color that is not on the scaffold
9 Incorrect 376 ms 29488 KB Error - Putting back a color that is not on the scaffold
10 Incorrect 449 ms 31984 KB Error - Putting back a color that is not on the scaffold