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Submission #921473

# Submission time Handle Problem Language Result Execution time Memory
921473 2024-02-03T23:53:17 Z ksujay2 Packing Biscuits (IOI20_biscuits) C++17
9 / 100
 21 ms 1116 KB 
#include <bits/stdc++.h>
using namespace std;
using ll = long long;

const int MXK = 60;

ll count_tastiness(ll x, vector<ll> a) {
    a.resize(MXK);
    vector<ll> f(MXK);
    f[0] = 1;
    for(int i = 0; i < MXK; i++) {
        ll sm = 0;
        ll prev = 0;
        ll mx = 0;
        for(int j = i; j >= 0; j--) {
            // f[j] to f[i] transition
            sm += a[j] * (1LL << j);
            mx ^= 1 << (i - j);
            ll nw = min((sm / x) >> j, mx);
            f[i + 1] += f[j] * max(0ll, nw + 1 - prev);
            prev = 2 * max(prev, nw + 1);
        }
    }
    return f[59];
}

Subtask #1
9.0 / 9.0

# 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 1 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 1 ms 348 KB Output is correct
8 Correct 1 ms 348 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 1 ms 348 KB Output is correct
11 Correct 0 ms 348 KB Output is correct
12 Correct 1 ms 348 KB Output is correct
13 Correct 1 ms 348 KB Output is correct
14 Correct 1 ms 344 KB Output is correct

Subtask #2
0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 344 KB Output is correct
2 Incorrect 0 ms 348 KB Output isn't correct
3 Halted 0 ms 0 KB -

Subtask #3
0 / 21.0

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

Subtask #4
0 / 35.0

# Verdict Execution time Memory Grader output
1 Correct 10 ms 348 KB Output is correct
2 Incorrect 21 ms 1116 KB Output isn't correct
3 Halted 0 ms 0 KB -

Subtask #5
0 / 23.0

# 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 1 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 1 ms 348 KB Output is correct
8 Correct 1 ms 348 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 1 ms 348 KB Output is correct
11 Correct 0 ms 348 KB Output is correct
12 Correct 1 ms 348 KB Output is correct
13 Correct 1 ms 348 KB Output is correct
14 Correct 1 ms 344 KB Output is correct
15 Correct 1 ms 344 KB Output is correct
16 Incorrect 0 ms 348 KB Output isn't correct
17 Halted 0 ms 0 KB -