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Submission #638798

# Submission time Handle Problem Language Result Execution time Memory
638798 2022-09-07T13:55:46 Z Ahmed57 Ice Hockey World Championship (CEOI15_bobek) C++14
100 / 100
 477 ms 8632 KB 
#include <bits/stdc++.h>
using namespace std;
int main(){
    long long n,m;
    cin>>n>>m;
    long long arr[n];
    for(int i = 0;i<n;i++){
        cin>>arr[i];
    }
    long long l = n/2;
    vector<long long> v;
    for(int i = 0;i<(1<<l);i++){
        long long s = 0;
        for(int j = 0;j<l;j++){
            if(i&(1<<j)){
                s+=arr[j];
            }
        }
        v.push_back(s);
    }
    sort(v.begin(),v.end());
    long long all = 0;
    for(int i = 0;i<(1<<(n-l));i++){
        long long s= 0;
        for(int j= l;j<n;j++){
            if(i&(1<<(j-l))){
                s+=arr[j];
            }
        }
        if(s<=m)all++;
        long long it = lower_bound(v.begin(),v.end(),(m-s)+1)-v.begin();
        it--;
        if(it>=0)all+=it;
    }
    cout<<all;
	return 0;
}

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct

Subtask #2
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 0 ms 212 KB Output is correct
5 Correct 0 ms 212 KB Output is correct
6 Correct 0 ms 212 KB Output is correct
7 Correct 0 ms 212 KB Output is correct

Subtask #3
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 0 ms 212 KB Output is correct
5 Correct 0 ms 212 KB Output is correct
6 Correct 0 ms 212 KB Output is correct
7 Correct 0 ms 212 KB Output is correct

Subtask #4
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 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 1 ms 212 KB Output is correct
6 Correct 1 ms 212 KB Output is correct
7 Correct 0 ms 212 KB Output is correct

Subtask #5
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 28 ms 848 KB Output is correct
2 Correct 95 ms 2428 KB Output is correct
3 Correct 477 ms 8572 KB Output is correct
4 Correct 97 ms 2460 KB Output is correct
5 Correct 16 ms 848 KB Output is correct
6 Correct 7 ms 596 KB Output is correct
7 Correct 17 ms 848 KB Output is correct

Subtask #6
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 41 ms 1356 KB Output is correct
2 Correct 32 ms 848 KB Output is correct
3 Correct 189 ms 4552 KB Output is correct
4 Correct 0 ms 212 KB Output is correct
5 Correct 7 ms 596 KB Output is correct
6 Correct 12 ms 848 KB Output is correct
7 Correct 16 ms 848 KB Output is correct

Subtask #7
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 76 ms 1356 KB Output is correct
2 Correct 155 ms 2480 KB Output is correct
3 Correct 145 ms 2460 KB Output is correct
4 Correct 1 ms 212 KB Output is correct
5 Correct 93 ms 2540 KB Output is correct
6 Correct 224 ms 8616 KB Output is correct
7 Correct 75 ms 2392 KB Output is correct

Subtask #8
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 343 ms 4488 KB Output is correct
2 Correct 33 ms 852 KB Output is correct
3 Correct 10 ms 596 KB Output is correct
4 Correct 0 ms 212 KB Output is correct
5 Correct 7 ms 596 KB Output is correct
6 Correct 150 ms 4528 KB Output is correct
7 Correct 13 ms 848 KB Output is correct

Subtask #9
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 31 ms 920 KB Output is correct
2 Correct 95 ms 2500 KB Output is correct
3 Correct 9 ms 596 KB Output is correct
4 Correct 9 ms 596 KB Output is correct
5 Correct 110 ms 2472 KB Output is correct
6 Correct 17 ms 848 KB Output is correct
7 Correct 237 ms 8576 KB Output is correct

Subtask #10
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 385 ms 8632 KB Output is correct
2 Correct 30 ms 940 KB Output is correct
3 Correct 9 ms 596 KB Output is correct
4 Correct 433 ms 8584 KB Output is correct
5 Correct 137 ms 4548 KB Output is correct
6 Correct 12 ms 848 KB Output is correct
7 Correct 25 ms 1356 KB Output is correct