oj.uz

Submission #36354

# Submission time Handle Problem Language Result Execution time Memory
36354 2017-12-08T03:51:57 Z funcsr Dancing Elephants (IOI11_elephants) C++14
26 / 100
 9000 ms 18812 KB 
#include <iostream>
#include <vector>
#include <queue>
#include <algorithm>
#include "elephants.h"
using namespace std;
#define INF 1145141919
#define rep(i, n) for (int i=0; i<(n); i++)
#define pb push_back
#define all(x) x.begin(), x.end()
#define _1 first
#define _2 second
typedef pair<int, int> P;

int N, L;
int A[150000], B[150000];

void init(int n, int l, int X[]) {
  N = n, L = l;
  rep(i, N) A[i] = B[i] = X[i];
}

int lb(int len, int x) {
  int lo = -1, hi = len;
  while (hi - lo > 1) {
    int mid = (lo + hi) / 2;
    if (B[mid] >= x) hi = mid;
    else lo = mid;
  }
  return hi;
}

int update(int i, int y) {
  // remove A[i]
  //int pos = lower_bound(B, B+N, A[i])-B;
  int pos = lb(N, A[i]);
  for (int x=pos; x<N-1; x++) B[x] = B[x+1];
  B[N-1] = 0;

  // insert y
  A[i] = y;
  //pos = lower_bound(B, B+N-1, y+1)-B;
  pos = lb(N-1, y+1);
  for (int x=N-2; x>=pos; x--) B[x+1] = B[x];
  B[pos] = y;

  //
  int until = B[0]+L, c = 1;
  rep(i, N) {
    if (B[i] > until) until = B[i]+L, c++;
  }
  return c;
}

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 18812 KB Output is correct
2 Correct 0 ms 18812 KB Output is correct
3 Correct 0 ms 18812 KB Output is correct

Subtask #2
16.0 / 16.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 18812 KB Output is correct
2 Correct 0 ms 18812 KB Output is correct
3 Correct 0 ms 18812 KB Output is correct

Subtask #3
0 / 24.0

# Verdict Execution time Memory Grader output
1 Correct 2923 ms 18812 KB Output is correct
2 Correct 4089 ms 18812 KB Output is correct
3 Correct 4319 ms 18812 KB Output is correct
4 Correct 5143 ms 18812 KB Output is correct
5 Correct 4733 ms 18812 KB Output is correct
6 Execution timed out 9000 ms 18812 KB Execution timed out
7 Halted 0 ms 0 KB -

Subtask #4
0 / 47.0

# Verdict Execution time Memory Grader output
1 Correct 2869 ms 18812 KB Output is correct
2 Correct 7736 ms 18812 KB Output is correct
3 Execution timed out 9000 ms 18812 KB Execution timed out
4 Halted 0 ms 0 KB -

Subtask #5
0 / 3.0

# Verdict Execution time Memory Grader output
1 Execution timed out 9000 ms 18812 KB Execution timed out
2 Halted 0 ms 0 KB -