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Submission #1110652

# Submission time Handle Problem Language Result Execution time Memory
1110652 2024-11-10T07:00:04 Z basa Ice Hockey World Championship (CEOI15_bobek) C++14
100 / 100
 322 ms 10692 KB 
#include <bits/stdc++.h>

using namespace std;

#define int long long
#define mod 1000000007

const int maxn = 45;
int a[maxn];

int n, m;
int ans = 0;
vector<int>v;

void s1(int i, int sum){
  if(i == n / 2){
    v.push_back(sum);
    return;
  }

  s1(i + 1, sum);
  s1(i + 1, sum + a[i]);
}

void s2(int i, int sum){
  if(i == n){
    auto it = upper_bound(v.begin(), v.end(), m - sum) - v.begin();
    ans += it;
    return;
  }

  s2(i + 1, sum);
  s2(i + 1, sum + a[i]);
}

signed main(){
  cin.tie(0) -> sync_with_stdio(0);
  cin >> n >> m;

  for(int i = 0; i < n; i++) cin >> a[i];

  s1(0, 0);
  sort(v.begin(), v.end());
  s2(n / 2, 0);

  cout << ans;
}

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 336 KB Output is correct

Subtask #2
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 336 KB Output is correct
2 Correct 1 ms 336 KB Output is correct
3 Correct 1 ms 504 KB Output is correct
4 Correct 1 ms 500 KB Output is correct
5 Correct 1 ms 336 KB Output is correct
6 Correct 1 ms 336 KB Output is correct
7 Correct 1 ms 336 KB Output is correct

Subtask #3
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 336 KB Output is correct
2 Correct 1 ms 336 KB Output is correct
3 Correct 1 ms 336 KB Output is correct
4 Correct 1 ms 336 KB Output is correct
5 Correct 1 ms 336 KB Output is correct
6 Correct 1 ms 336 KB Output is correct
7 Correct 1 ms 336 KB Output is correct

Subtask #4
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 336 KB Output is correct
2 Correct 1 ms 336 KB Output is correct
3 Correct 1 ms 336 KB Output is correct
4 Correct 1 ms 336 KB Output is correct
5 Correct 1 ms 336 KB Output is correct
6 Correct 1 ms 336 KB Output is correct
7 Correct 1 ms 336 KB Output is correct

Subtask #5
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 17 ms 980 KB Output is correct
2 Correct 70 ms 3532 KB Output is correct
3 Correct 316 ms 10692 KB Output is correct
4 Correct 63 ms 3532 KB Output is correct
5 Correct 5 ms 980 KB Output is correct
6 Correct 3 ms 724 KB Output is correct
7 Correct 6 ms 1040 KB Output is correct

Subtask #6
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 24 ms 1656 KB Output is correct
2 Correct 19 ms 980 KB Output is correct
3 Correct 119 ms 6600 KB Output is correct
4 Correct 1 ms 336 KB Output is correct
5 Correct 2 ms 848 KB Output is correct
6 Correct 7 ms 1148 KB Output is correct
7 Correct 6 ms 1152 KB Output is correct

Subtask #7
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 44 ms 1488 KB Output is correct
2 Correct 107 ms 3532 KB Output is correct
3 Correct 114 ms 3704 KB Output is correct
4 Correct 1 ms 336 KB Output is correct
5 Correct 23 ms 3532 KB Output is correct
6 Correct 85 ms 10692 KB Output is correct
7 Correct 24 ms 3532 KB Output is correct

Subtask #8
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 245 ms 6600 KB Output is correct
2 Correct 16 ms 980 KB Output is correct
3 Correct 6 ms 724 KB Output is correct
4 Correct 1 ms 336 KB Output is correct
5 Correct 3 ms 724 KB Output is correct
6 Correct 59 ms 6600 KB Output is correct
7 Correct 6 ms 1148 KB Output is correct

Subtask #9
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 16 ms 980 KB Output is correct
2 Correct 61 ms 3532 KB Output is correct
3 Correct 5 ms 896 KB Output is correct
4 Correct 5 ms 724 KB Output is correct
5 Correct 29 ms 3532 KB Output is correct
6 Correct 8 ms 980 KB Output is correct
7 Correct 97 ms 10692 KB Output is correct

Subtask #10
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 239 ms 10692 KB Output is correct
2 Correct 20 ms 980 KB Output is correct
3 Correct 6 ms 896 KB Output is correct
4 Correct 322 ms 10692 KB Output is correct
5 Correct 40 ms 6600 KB Output is correct
6 Correct 7 ms 1152 KB Output is correct
7 Correct 12 ms 1488 KB Output is correct