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Submission #828012

# Submission time Handle Problem Language Result Execution time Memory
828012 2023-08-17T01:32:45 Z bachhoangxuan Rice Hub (IOI11_ricehub) C++17
100 / 100
 14 ms 2528 KB 
#include "ricehub.h"
#include<bits/stdc++.h>
using namespace std;



int besthub(int R, int L, int x[], long long B)
{
  vector<long long> X(R+1,0);
  for(int i=0;i<R;i++) X[i+1]=X[i]+x[i];
  auto check = [&](int l,int r){
    int mid=(l+r)>>1;
    long long sum=1LL*x[mid-1]*(2*mid+1-r-l)+(X[r]+X[l-1]-2*X[mid]);
    return sum<=B;
  };
  int pos=1,ans=0;
  for(int i=1;i<=R;i++){
    while(pos<=R && check(i,pos)) pos++;
    ans=max(ans,pos-i);
  }
  return ans;
}

Subtask #1
17.0 / 17.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 1 ms 312 KB Output is correct
4 Correct 1 ms 212 KB Output is correct
5 Correct 1 ms 212 KB Output is correct

Subtask #2
25.0 / 25.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Correct 0 ms 212 KB Output is correct
5 Correct 1 ms 212 KB Output is correct
6 Correct 1 ms 212 KB Output is correct
7 Correct 1 ms 212 KB Output is correct
8 Correct 1 ms 212 KB Output is correct
9 Correct 0 ms 312 KB Output is correct
10 Correct 0 ms 212 KB Output is correct
11 Correct 0 ms 212 KB Output is correct
12 Correct 0 ms 212 KB Output is correct
13 Correct 1 ms 212 KB Output is correct
14 Correct 0 ms 212 KB Output is correct
15 Correct 0 ms 212 KB Output is correct
16 Correct 0 ms 312 KB Output is correct
17 Correct 1 ms 212 KB Output is correct
18 Correct 0 ms 212 KB Output is correct
19 Correct 0 ms 212 KB Output is correct
20 Correct 1 ms 212 KB Output is correct
21 Correct 1 ms 212 KB Output is correct
22 Correct 1 ms 312 KB Output is correct
23 Correct 1 ms 212 KB Output is correct
24 Correct 1 ms 212 KB Output is correct
25 Correct 1 ms 212 KB Output is correct
26 Correct 1 ms 212 KB Output is correct
27 Correct 0 ms 212 KB Output is correct
28 Correct 0 ms 212 KB Output is correct

Subtask #3
26.0 / 26.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 316 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Correct 1 ms 212 KB Output is correct
5 Correct 0 ms 212 KB Output is correct
6 Correct 1 ms 212 KB Output is correct
7 Correct 1 ms 212 KB Output is correct
8 Correct 1 ms 212 KB Output is correct
9 Correct 0 ms 312 KB Output is correct
10 Correct 1 ms 212 KB Output is correct
11 Correct 1 ms 212 KB Output is correct
12 Correct 1 ms 212 KB Output is correct
13 Correct 1 ms 312 KB Output is correct
14 Correct 1 ms 212 KB Output is correct
15 Correct 1 ms 212 KB Output is correct
16 Correct 1 ms 312 KB Output is correct
17 Correct 1 ms 212 KB Output is correct
18 Correct 1 ms 212 KB Output is correct
19 Correct 1 ms 212 KB Output is correct
20 Correct 1 ms 212 KB Output is correct
21 Correct 1 ms 340 KB Output is correct
22 Correct 1 ms 340 KB Output is correct
23 Correct 1 ms 340 KB Output is correct
24 Correct 1 ms 340 KB Output is correct
25 Correct 1 ms 324 KB Output is correct
26 Correct 1 ms 340 KB Output is correct
27 Correct 1 ms 340 KB Output is correct
28 Correct 1 ms 340 KB Output is correct

Subtask #4
32.0 / 32.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 596 KB Output is correct
2 Correct 2 ms 596 KB Output is correct
3 Correct 12 ms 2472 KB Output is correct
4 Correct 12 ms 2516 KB Output is correct
5 Correct 4 ms 1236 KB Output is correct
6 Correct 5 ms 1236 KB Output is correct
7 Correct 9 ms 2252 KB Output is correct
8 Correct 9 ms 2260 KB Output is correct
9 Correct 4 ms 1196 KB Output is correct
10 Correct 4 ms 1184 KB Output is correct
11 Correct 13 ms 2528 KB Output is correct
12 Correct 14 ms 2508 KB Output is correct
13 Correct 5 ms 1220 KB Output is correct
14 Correct 5 ms 1216 KB Output is correct
15 Correct 8 ms 1876 KB Output is correct
16 Correct 7 ms 1876 KB Output is correct
17 Correct 9 ms 2216 KB Output is correct
18 Correct 9 ms 2252 KB Output is correct
19 Correct 9 ms 2400 KB Output is correct
20 Correct 9 ms 2388 KB Output is correct