oj.uz

Submission #247654

# Submission time Handle Problem Language Result Execution time Memory
247654 2020-07-11T19:47:19 Z davi_bart Rice Hub (IOI11_ricehub) C++14
100 / 100
 22 ms 1792 KB 
#pragma GCC optimize("O3")
#include <bits/stdc++.h>
#include "ricehub.h"
using namespace std;
typedef long long ll;
//#define int ll
mt19937 rng(chrono::steady_clock::now().time_since_epoch().count());
int besthub(int R, int L, int X[], long long B){
  ll sx=0,dx=R+1;
  while(sx<dx-1){
    ll m=(sx+dx)/2;
    ll tot=0;
    ll mi=1e18;
    int pos=m/2;
    for(int i=0;i<m;i++){
      tot+=abs(X[i]-X[pos]);
    }
    mi=min(mi,tot);
    for(int i=m;i<R;i++){
      pos++;
      tot-=(ll)X[pos-1]-(ll)X[i-m];
      tot+=(ll)(m)/2*((ll)X[pos]-X[pos-1]);
      tot-=(ll)(m-1)/2*((ll)X[pos]-X[pos-1]);
      tot+=(ll)X[i]-X[pos];
      mi=min(mi,tot);
    }
    if(mi<=B)sx=m;
    else dx=m;
  }
  return (int)sx;
}

Subtask #1
17.0 / 17.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 384 KB Output is correct
2 Correct 5 ms 256 KB Output is correct
3 Correct 5 ms 384 KB Output is correct
4 Correct 5 ms 384 KB Output is correct
5 Correct 5 ms 384 KB Output is correct

Subtask #2
25.0 / 25.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 384 KB Output is correct
2 Correct 5 ms 384 KB Output is correct
3 Correct 4 ms 384 KB Output is correct
4 Correct 4 ms 384 KB Output is correct
5 Correct 5 ms 384 KB Output is correct
6 Correct 5 ms 384 KB Output is correct
7 Correct 5 ms 384 KB Output is correct
8 Correct 5 ms 384 KB Output is correct
9 Correct 5 ms 384 KB Output is correct
10 Correct 5 ms 384 KB Output is correct
11 Correct 4 ms 384 KB Output is correct
12 Correct 5 ms 384 KB Output is correct
13 Correct 5 ms 384 KB Output is correct
14 Correct 5 ms 384 KB Output is correct
15 Correct 4 ms 384 KB Output is correct
16 Correct 4 ms 384 KB Output is correct
17 Correct 5 ms 384 KB Output is correct
18 Correct 5 ms 384 KB Output is correct
19 Correct 4 ms 384 KB Output is correct
20 Correct 5 ms 384 KB Output is correct
21 Correct 5 ms 256 KB Output is correct
22 Correct 5 ms 384 KB Output is correct
23 Correct 5 ms 384 KB Output is correct
24 Correct 5 ms 384 KB Output is correct
25 Correct 5 ms 384 KB Output is correct
26 Correct 5 ms 384 KB Output is correct
27 Correct 4 ms 384 KB Output is correct
28 Correct 5 ms 384 KB Output is correct

Subtask #3
26.0 / 26.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 384 KB Output is correct
2 Correct 5 ms 384 KB Output is correct
3 Correct 5 ms 384 KB Output is correct
4 Correct 5 ms 384 KB Output is correct
5 Correct 5 ms 384 KB Output is correct
6 Correct 5 ms 384 KB Output is correct
7 Correct 5 ms 384 KB Output is correct
8 Correct 5 ms 384 KB Output is correct
9 Correct 5 ms 384 KB Output is correct
10 Correct 5 ms 384 KB Output is correct
11 Correct 5 ms 384 KB Output is correct
12 Correct 5 ms 384 KB Output is correct
13 Correct 5 ms 384 KB Output is correct
14 Correct 5 ms 384 KB Output is correct
15 Correct 5 ms 384 KB Output is correct
16 Correct 5 ms 384 KB Output is correct
17 Correct 5 ms 384 KB Output is correct
18 Correct 5 ms 384 KB Output is correct
19 Correct 5 ms 384 KB Output is correct
20 Correct 6 ms 384 KB Output is correct
21 Correct 5 ms 384 KB Output is correct
22 Correct 5 ms 384 KB Output is correct
23 Correct 5 ms 384 KB Output is correct
24 Correct 5 ms 384 KB Output is correct
25 Correct 5 ms 384 KB Output is correct
26 Correct 5 ms 384 KB Output is correct
27 Correct 5 ms 384 KB Output is correct
28 Correct 6 ms 384 KB Output is correct

Subtask #4
32.0 / 32.0

# Verdict Execution time Memory Grader output
1 Correct 7 ms 384 KB Output is correct
2 Correct 8 ms 512 KB Output is correct
3 Correct 21 ms 1792 KB Output is correct
4 Correct 19 ms 1792 KB Output is correct
5 Correct 12 ms 896 KB Output is correct
6 Correct 12 ms 896 KB Output is correct
7 Correct 18 ms 1536 KB Output is correct
8 Correct 17 ms 1536 KB Output is correct
9 Correct 14 ms 768 KB Output is correct
10 Correct 11 ms 768 KB Output is correct
11 Correct 22 ms 1792 KB Output is correct
12 Correct 22 ms 1792 KB Output is correct
13 Correct 12 ms 896 KB Output is correct
14 Correct 13 ms 896 KB Output is correct
15 Correct 18 ms 1408 KB Output is correct
16 Correct 17 ms 1408 KB Output is correct
17 Correct 20 ms 1664 KB Output is correct
18 Correct 21 ms 1664 KB Output is correct
19 Correct 20 ms 1664 KB Output is correct
20 Correct 20 ms 1664 KB Output is correct