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Submission #1054103

# Submission time Handle Problem Language Result Execution time Memory
1054103 2024-08-12T06:30:04 Z matere Ice Hockey World Championship (CEOI15_bobek) C++14
50 / 100
 244 ms 11704 KB 
#include<bits/stdc++.h>
using namespace std;
long long n,n1,n2,m,a[21],b[21];
vector<int>v1,v2;
int main(){
    cin>>n>>m;
    n1=n/2;
    n2=n-n/2;
    for(int i=1;i<=n1;i++){
        cin>>a[i];
    }
    for(int i=1;i<=n2;i++){
        cin>>b[i];
    }
    for(int i=0;i<(1<<n1);i++){
        long long sum=0;
        for(int j=0;j<n1;j++){
            if(i&(1<<j)){
                sum+=a[j+1];
            }
        }
        v1.push_back(sum);
    }
    for(int i=0;i<(1<<n2);i++){
        long long sum=0;
        for(int j=0;j<n2;j++){
            if(i&(1<<j)){
                sum+=b[j+1];
            }
        }
        v2.push_back(sum);
    }
    sort(v1.begin(),v1.end());
    sort(v2.begin(),v2.end());
    long long ans=0;
    for(long long i:v1){
        ans+=upper_bound(v2.begin(),v2.end(),m-i)-v2.begin();
    }
    cout<<ans<<endl;
}

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB Output is correct

Subtask #2
10.0 / 10.0

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

Subtask #3
0 / 10.0

# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 344 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #4
0 / 10.0

# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 348 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #5
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 18 ms 1116 KB Output is correct
2 Correct 57 ms 2764 KB Output is correct
3 Correct 244 ms 11704 KB Output is correct
4 Correct 58 ms 2768 KB Output is correct
5 Correct 11 ms 984 KB Output is correct
6 Correct 7 ms 604 KB Output is correct
7 Correct 13 ms 980 KB Output is correct

Subtask #6
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 26 ms 1492 KB Output is correct
2 Correct 21 ms 1116 KB Output is correct
3 Correct 116 ms 5444 KB Output is correct
4 Correct 0 ms 344 KB Output is correct
5 Correct 5 ms 604 KB Output is correct
6 Correct 13 ms 984 KB Output is correct
7 Correct 13 ms 1100 KB Output is correct

Subtask #7
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 41 ms 1880 KB Output is correct
2 Correct 84 ms 3400 KB Output is correct
3 Correct 84 ms 3400 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 55 ms 3604 KB Output is correct
6 Correct 219 ms 11192 KB Output is correct
7 Correct 82 ms 3668 KB Output is correct

Subtask #8
0 / 10.0

# Verdict Execution time Memory Grader output
1 Incorrect 176 ms 8000 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #9
0 / 10.0

# Verdict Execution time Memory Grader output
1 Incorrect 20 ms 1116 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #10
0 / 10.0

# Verdict Execution time Memory Grader output
1 Incorrect 239 ms 11196 KB Output isn't correct
2 Halted 0 ms 0 KB -