oj.uz

Submission #919081

# Submission time Handle Problem Language Result Execution time Memory
919081 2024-01-31T08:20:03 Z Aiperiii Rice Hub (IOI11_ricehub) C++14
68 / 100
 13 ms 4816 KB 
#include <bits/stdc++.h>
#define ff first
#define ss second
#define pb push_back
#define all(x) x.begin(),x.end()
using namespace std;
int besthub(int R, int L, int X[], long long B)
{
   vector <long long> sum;long long x=0;
   for(int i=0;i<R;i++){
      x+=X[i];sum.pb(x);
   }
   int l=0,r=R+2;
   while(l+1<r){
      int md=(l+r)/2;
      bool ok=0;
      for(int i=0;i<R;i++){
         long long x=0;
         int a=0,b=0;
         if(md%2==1){a=md/2;b=md/2;}
         else {a=md/2;b=md/2-1;}
         if(i>a-1 && i+b<R){
            int pos=i-1;
            long long d=0;
            if(pos>=0)d+=sum[pos];
            if(pos-a>=0)d-=sum[pos-a];
            x+=X[i]*a-d;
            pos=i+b;
            d=sum[pos]-sum[i];
            x+=d-X[i]*b;
            if(x<=B)ok=1;
         }
      }
      if(ok)l=md;
      else r=md;
   }
   return l;
}

Subtask #1
17.0 / 17.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 0 ms 344 KB Output is correct
3 Correct 1 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 344 KB Output is correct

Subtask #2
25.0 / 25.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 344 KB Output is correct
2 Correct 0 ms 344 KB Output is correct
3 Correct 1 ms 344 KB Output is correct
4 Correct 0 ms 600 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 0 ms 344 KB Output is correct
7 Correct 1 ms 344 KB Output is correct
8 Correct 0 ms 344 KB Output is correct
9 Correct 1 ms 504 KB Output is correct
10 Correct 1 ms 344 KB Output is correct
11 Correct 0 ms 344 KB Output is correct
12 Correct 0 ms 344 KB Output is correct
13 Correct 1 ms 344 KB Output is correct
14 Correct 1 ms 344 KB Output is correct
15 Correct 0 ms 344 KB Output is correct
16 Correct 0 ms 600 KB Output is correct
17 Correct 0 ms 344 KB Output is correct
18 Correct 0 ms 344 KB Output is correct
19 Correct 0 ms 348 KB Output is correct
20 Correct 0 ms 344 KB Output is correct
21 Correct 0 ms 348 KB Output is correct
22 Correct 0 ms 344 KB Output is correct
23 Correct 0 ms 344 KB Output is correct
24 Correct 0 ms 344 KB Output is correct
25 Correct 1 ms 344 KB Output is correct
26 Correct 0 ms 344 KB Output is correct
27 Correct 0 ms 348 KB Output is correct
28 Correct 1 ms 344 KB Output is correct

Subtask #3
26.0 / 26.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 344 KB Output is correct
2 Correct 1 ms 344 KB Output is correct
3 Correct 0 ms 344 KB Output is correct
4 Correct 0 ms 344 KB Output is correct
5 Correct 1 ms 344 KB Output is correct
6 Correct 0 ms 344 KB Output is correct
7 Correct 1 ms 344 KB Output is correct
8 Correct 0 ms 344 KB Output is correct
9 Correct 0 ms 344 KB Output is correct
10 Correct 0 ms 344 KB Output is correct
11 Correct 1 ms 348 KB Output is correct
12 Correct 1 ms 344 KB Output is correct
13 Correct 0 ms 344 KB Output is correct
14 Correct 0 ms 348 KB Output is correct
15 Correct 0 ms 348 KB Output is correct
16 Correct 0 ms 344 KB Output is correct
17 Correct 0 ms 344 KB Output is correct
18 Correct 1 ms 344 KB Output is correct
19 Correct 0 ms 348 KB Output is correct
20 Correct 0 ms 348 KB Output is correct
21 Correct 1 ms 344 KB Output is correct
22 Correct 1 ms 344 KB Output is correct
23 Correct 1 ms 344 KB Output is correct
24 Correct 2 ms 344 KB Output is correct
25 Correct 1 ms 344 KB Output is correct
26 Correct 1 ms 344 KB Output is correct
27 Correct 1 ms 344 KB Output is correct
28 Correct 1 ms 348 KB Output is correct

Subtask #4
0 / 32.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 856 KB Output is correct
2 Correct 3 ms 856 KB Output is correct
3 Correct 11 ms 3792 KB Output is correct
4 Correct 13 ms 3792 KB Output is correct
5 Correct 7 ms 3828 KB Output is correct
6 Correct 7 ms 3540 KB Output is correct
7 Correct 11 ms 4560 KB Output is correct
8 Correct 11 ms 4440 KB Output is correct
9 Correct 7 ms 3540 KB Output is correct
10 Correct 6 ms 3544 KB Output is correct
11 Correct 12 ms 4816 KB Output is correct
12 Correct 12 ms 4808 KB Output is correct
13 Incorrect 6 ms 3544 KB Output isn't correct
14 Halted 0 ms 0 KB -