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Submission #919791

# Submission time Handle Problem Language Result Execution time Memory
919791 2024-02-01T16:18:26 Z VMaksimoski008 Ice Hockey World Championship (CEOI15_bobek) C++14
100 / 100
 336 ms 22700 KB 
#include <bits/stdc++.h>
#define all(x) x.begin(), x.end()
using namespace std;
using ll = long long;

int32_t main() {
    int n;
    ll m, ans = 1;
    cin >> n >> m;

    vector<ll> v(n);
    for(ll &x : v) cin >> x;

    auto meet = [&](int l, int r) {
        vector<ll> total;

        int len = r - l + 1;
        for(int s=1; s<(1<<len); s++) {
            ll sum = 0;
            for(int i=0; i<len; i++)
                if(s & (1 << i)) sum += v[l+i];
            total.push_back(sum);
            if(sum <= m) ans++;
        }

        sort(all(total));
        return total;
    };

    vector<ll> L = meet(0, n/2-1);
    vector<ll> R = meet(n/2, n-1);

    for(ll &x : L) {
        int l=0, r=R.size()-1, p=-1;

        while(l <= r) {
            int mid = (l + r) / 2;
            if(x + R[mid] <= m) p = mid, l = mid + 1;
            else r = mid - 1;
        }

        ans += p + 1;
    }

    cout << ans << '\n';
    return 0;
}

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 1 ms 348 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 344 KB Output is correct
5 Correct 1 ms 348 KB Output is correct
6 Correct 0 ms 344 KB Output is correct
7 Correct 0 ms 344 KB Output is correct

Subtask #3
10.0 / 10.0

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

Subtask #4
10.0 / 10.0

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

Subtask #5
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 25 ms 1876 KB Output is correct
2 Correct 80 ms 5564 KB Output is correct
3 Correct 336 ms 22700 KB Output is correct
4 Correct 78 ms 5460 KB Output is correct
5 Correct 13 ms 1492 KB Output is correct
6 Correct 8 ms 984 KB Output is correct
7 Correct 17 ms 1488 KB Output is correct

Subtask #6
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 35 ms 2764 KB Output is correct
2 Correct 27 ms 1988 KB Output is correct
3 Correct 133 ms 12464 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 6 ms 980 KB Output is correct
6 Correct 19 ms 1492 KB Output is correct
7 Correct 16 ms 1488 KB Output is correct

Subtask #7
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 54 ms 3656 KB Output is correct
2 Correct 114 ms 6976 KB Output is correct
3 Correct 119 ms 6832 KB Output is correct
4 Correct 1 ms 344 KB Output is correct
5 Correct 75 ms 6676 KB Output is correct
6 Correct 277 ms 22444 KB Output is correct
7 Correct 108 ms 8204 KB Output is correct

Subtask #8
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 240 ms 14908 KB Output is correct
2 Correct 25 ms 1876 KB Output is correct
3 Correct 9 ms 1104 KB Output is correct
4 Correct 1 ms 348 KB Output is correct
5 Correct 6 ms 980 KB Output is correct
6 Correct 225 ms 14108 KB Output is correct
7 Correct 16 ms 1488 KB Output is correct

Subtask #9
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 26 ms 1876 KB Output is correct
2 Correct 75 ms 5308 KB Output is correct
3 Correct 9 ms 984 KB Output is correct
4 Correct 9 ms 980 KB Output is correct
5 Correct 78 ms 8256 KB Output is correct
6 Correct 25 ms 1880 KB Output is correct
7 Correct 302 ms 22584 KB Output is correct

Subtask #10
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 316 ms 21164 KB Output is correct
2 Correct 30 ms 2132 KB Output is correct
3 Correct 9 ms 980 KB Output is correct
4 Correct 328 ms 21932 KB Output is correct
5 Correct 109 ms 12212 KB Output is correct
6 Correct 16 ms 1492 KB Output is correct
7 Correct 34 ms 3024 KB Output is correct