oj.uz

Submission #85972

# Submission time Handle Problem Language Result Execution time Memory
85972 2018-11-23T15:45:34 Z Nordway Ice Hockey World Championship (CEOI15_bobek) C++14
20 / 100
 624 ms 17220 KB 
#include<bits/stdc++.h>
using namespace std;
long long int n,m,i,j,a[42],mid,sum,ans;
vector <long long int> v;
int main()
{
 cin>>n>>m;
 for(i=0;i<n;i++)
 {
  cin>>a[i];
 }
 mid=n/2+1;
 for(i=0;i<(1<<mid);i++)
 {
  for(j=0;j<mid;j++)
  {
   if((i>>j)&1)
   {
    sum+=a[j];
   }
  }
  v.push_back(sum);
  sum=0;
 }
 int fn=mid;
 mid=n-mid;
 sort(v.begin(),v.end());
 for(i=0;i<(1<<mid);i++)
 {
  for(j=0;j<mid;j++)
  {
   if((i>>j)&1)
   {
    sum+=a[j+fn];
   }
  }
  if(sum>m)continue;
  ans+=upper_bound(v.begin(),v.end(),m-sum)-v.begin();
  sum=0;
 }
 cout<<ans;
 return 0;
}

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 376 KB Output is correct

Subtask #2
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 508 KB Output is correct
2 Correct 2 ms 556 KB Output is correct
3 Correct 2 ms 556 KB Output is correct
4 Correct 2 ms 556 KB Output is correct
5 Correct 2 ms 556 KB Output is correct
6 Correct 2 ms 556 KB Output is correct
7 Correct 2 ms 556 KB Output is correct

Subtask #3
0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 556 KB Output is correct
2 Incorrect 2 ms 680 KB Output isn't correct
3 Halted 0 ms 0 KB -

Subtask #4
0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 680 KB Output is correct
2 Incorrect 2 ms 680 KB Output isn't correct
3 Halted 0 ms 0 KB -

Subtask #5
0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 59 ms 1764 KB Output is correct
2 Correct 151 ms 4824 KB Output is correct
3 Correct 624 ms 17220 KB Output is correct
4 Correct 142 ms 17220 KB Output is correct
5 Incorrect 23 ms 17220 KB Output isn't correct
6 Halted 0 ms 0 KB -

Subtask #6
0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 60 ms 17220 KB Output is correct
2 Correct 42 ms 17220 KB Output is correct
3 Correct 265 ms 17220 KB Output is correct
4 Correct 2 ms 17220 KB Output is correct
5 Correct 11 ms 17220 KB Output is correct
6 Correct 27 ms 17220 KB Output is correct
7 Incorrect 25 ms 17220 KB Output isn't correct

Subtask #7
0 / 10.0

# Verdict Execution time Memory Grader output
1 Incorrect 72 ms 17220 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #8
0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 392 ms 17220 KB Output is correct
2 Correct 36 ms 17220 KB Output is correct
3 Correct 16 ms 17220 KB Output is correct
4 Incorrect 2 ms 17220 KB Output isn't correct
5 Halted 0 ms 0 KB -

Subtask #9
0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 39 ms 17220 KB Output is correct
2 Correct 129 ms 17220 KB Output is correct
3 Correct 15 ms 17220 KB Output is correct
4 Incorrect 17 ms 17220 KB Output isn't correct
5 Halted 0 ms 0 KB -

Subtask #10
0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 555 ms 17220 KB Output is correct
2 Correct 40 ms 17220 KB Output is correct
3 Correct 19 ms 17220 KB Output is correct
4 Incorrect 619 ms 17220 KB Output isn't correct
5 Halted 0 ms 0 KB -