oj.uz

Submission #126826

# Submission time Handle Problem Language Result Execution time Memory
126826 2019-07-08T13:39:25 Z RockyB Last supper (IOI12_supper) C++17
0 / 100
 309 ms 39408 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;


vector <int> nxt[MAXN];
int del_val[MAXN];
bool good[MAXN];
void ComputeAdvice(int *C, int N, int K, int M) {
  per(i, N - 1, 0) nxt[i].pb(N);
  per(i, N - 1, 0) nxt[C[i]].pb(i);

  set < pair <int, int > > st;
  rep(i, 0, K - 1) st.insert({nxt[i].back(), i});

  int Log = log2(N);

  rep(i, 0, N - 1) {
    while (sz(st) && st.begin() -> f <= i) {
      int x = st.begin() -> s;
      st.erase(st.begin());
      nxt[x].pp();
      st.insert({nxt[x].back(), x});
    }
    if (st.count({nxt[C[i]].back(), C[i]})) {
      continue;
    }
    int x = st.rbegin() -> s;
    st.erase(--st.end());
    st.insert({nxt[C[i]].back(), C[i]});
    del_val[i] = x;
  } 
  map <int, int> ask, del;
  per(i, N - 1, 0) {
    /// good if ask < del
    if (ask.count(C[i]) && (!del.count(C[i]) || ask[C[i]] < del[C[i]])) {
      good[i] = 1;
    }

    ask[C[i]] = i;
    del[del_val[C[i]]] = i;
  }
  rep(i, 0, K - 1) {
    if (ask.count(i) && (!del.count(i) || ask[i] < del[i])) {
      WriteAdvice(1);
    }
    else WriteAdvice(0);
  }
  rep(i, 0, N - 1) {
    WriteAdvice(good[i]);
  }
}
#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;
 
void Assist(unsigned char *A, int N, int K, int R) {
  set <int> a[2];
  rep(i, 0, K - 1) a[A[i]].insert(i);
  rep(i, K, K + N - 1) {
    int val = GetRequest();
    if (a[0].count(val) || a[1].count(val)) continue;
    PutBack(*a[0].begin());
    a[0].erase(a[0].begin());
    a[A[i]].insert(val);
  }
}

Compilation message

advisor.cpp: In function 'void ComputeAdvice(int*, int, int, int)':
advisor.cpp:30:7: warning: unused variable 'Log' [-Wunused-variable]
   int Log = log2(N);
       ^~~

Subtask #1
0 / 8.0

# Verdict Execution time Memory Grader output
1 Correct 8 ms 9968 KB Output is correct
2 Incorrect 8 ms 10224 KB Error - Putting back a color that is not on the scaffold
3 Halted 0 ms 0 KB -

Subtask #2
0 / 9.0

# Verdict Execution time Memory Grader output
1 Incorrect 26 ms 12272 KB Error - Putting back a color that is not on the scaffold
2 Halted 0 ms 0 KB -

Subtask #3
0 / 9.0

# Verdict Execution time Memory Grader output
1 Incorrect 213 ms 27888 KB Error - Putting back a color that is not on the scaffold
2 Halted 0 ms 0 KB -

Subtask #4
0 / 35.0

# Verdict Execution time Memory Grader output
1 Incorrect 13 ms 10992 KB Error - Putting back a color that is not on the scaffold
2 Halted 0 ms 0 KB -

Subtask #5
0.0 / 39.0

# Verdict Execution time Memory Grader output
1 Incorrect 281 ms 32096 KB Error - Putting back a color that is not on the scaffold
2 Incorrect 273 ms 32360 KB Error - Putting back a color that is not on the scaffold
3 Incorrect 289 ms 32520 KB Error - Putting back a color that is not on the scaffold
4 Incorrect 271 ms 32696 KB Error - Putting back a color that is not on the scaffold
5 Incorrect 279 ms 32416 KB Error - Putting back a color that is not on the scaffold
6 Incorrect 280 ms 32584 KB Error - Putting back a color that is not on the scaffold
7 Incorrect 286 ms 32568 KB Error - Putting back a color that is not on the scaffold
8 Incorrect 278 ms 32504 KB Error - Putting back a color that is not on the scaffold
9 Incorrect 278 ms 32496 KB Error - Putting back a color that is not on the scaffold
10 Incorrect 309 ms 39408 KB Output isn't correct - not an optimal way