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Submission #306418

# Submission time Handle Problem Language Result Execution time Memory
306418 2020-09-25T13:18:01 Z eriksuenderhauf Packing Biscuits (IOI20_biscuits) C++17
100 / 100
 18 ms 1024 KB 
#include "biscuits.h"
#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
#define sz(x) (int)(x).size()

ll count_tastiness(ll x, vector<ll> a) {
  while (sz(a) < 60)
    a.push_back(0);
  vector<ll> dp(61,1), pref(61,0);
  dp[0] = 1;
  for (int i = 0; i < 60; i++) {
    pref[i] = (!i ? 0 : pref[i-1] / 2) + a[i];
    ll sm = 0;
    for (int j = i; j >= 0; j--) {
      if (pref[j] - sm >= x) {
        dp[i+1] += dp[j];
        sm += x;
      }
      sm = 2 * (sm - a[j]);
      sm = max(sm, 0ll);
    }
  }
  return dp[60];
}

Subtask #1
9.0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 256 KB Output is correct
2 Correct 1 ms 288 KB Output is correct
3 Correct 1 ms 256 KB Output is correct
4 Correct 0 ms 256 KB Output is correct
5 Correct 0 ms 256 KB Output is correct
6 Correct 1 ms 304 KB Output is correct
7 Correct 1 ms 256 KB Output is correct
8 Correct 0 ms 256 KB Output is correct
9 Correct 1 ms 256 KB Output is correct
10 Correct 0 ms 256 KB Output is correct
11 Correct 0 ms 256 KB Output is correct
12 Correct 0 ms 256 KB Output is correct
13 Correct 0 ms 256 KB Output is correct
14 Correct 1 ms 256 KB Output is correct

Subtask #2
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 256 KB Output is correct
2 Correct 1 ms 256 KB Output is correct
3 Correct 0 ms 256 KB Output is correct
4 Correct 1 ms 256 KB Output is correct
5 Correct 1 ms 256 KB Output is correct
6 Correct 1 ms 256 KB Output is correct
7 Correct 1 ms 256 KB Output is correct
8 Correct 1 ms 256 KB Output is correct
9 Correct 1 ms 256 KB Output is correct

Subtask #3
21.0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 256 KB Output is correct
2 Correct 1 ms 256 KB Output is correct
3 Correct 1 ms 256 KB Output is correct
4 Correct 1 ms 256 KB Output is correct
5 Correct 1 ms 256 KB Output is correct
6 Correct 1 ms 288 KB Output is correct
7 Correct 1 ms 256 KB Output is correct
8 Correct 1 ms 256 KB Output is correct
9 Correct 1 ms 256 KB Output is correct
10 Correct 1 ms 256 KB Output is correct
11 Correct 1 ms 256 KB Output is correct
12 Correct 1 ms 256 KB Output is correct
13 Correct 1 ms 256 KB Output is correct

Subtask #4
35.0 / 35.0

# Verdict Execution time Memory Grader output
1 Correct 7 ms 384 KB Output is correct
2 Correct 15 ms 896 KB Output is correct
3 Correct 15 ms 896 KB Output is correct
4 Correct 18 ms 1024 KB Output is correct
5 Correct 15 ms 896 KB Output is correct
6 Correct 18 ms 896 KB Output is correct
7 Correct 15 ms 896 KB Output is correct
8 Correct 14 ms 896 KB Output is correct
9 Correct 15 ms 896 KB Output is correct
10 Correct 14 ms 896 KB Output is correct

Subtask #5
23.0 / 23.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 256 KB Output is correct
2 Correct 1 ms 288 KB Output is correct
3 Correct 1 ms 256 KB Output is correct
4 Correct 0 ms 256 KB Output is correct
5 Correct 0 ms 256 KB Output is correct
6 Correct 1 ms 304 KB Output is correct
7 Correct 1 ms 256 KB Output is correct
8 Correct 0 ms 256 KB Output is correct
9 Correct 1 ms 256 KB Output is correct
10 Correct 0 ms 256 KB Output is correct
11 Correct 0 ms 256 KB Output is correct
12 Correct 0 ms 256 KB Output is correct
13 Correct 0 ms 256 KB Output is correct
14 Correct 1 ms 256 KB Output is correct
15 Correct 1 ms 256 KB Output is correct
16 Correct 1 ms 256 KB Output is correct
17 Correct 0 ms 256 KB Output is correct
18 Correct 1 ms 256 KB Output is correct
19 Correct 1 ms 256 KB Output is correct
20 Correct 1 ms 256 KB Output is correct
21 Correct 1 ms 256 KB Output is correct
22 Correct 1 ms 256 KB Output is correct
23 Correct 1 ms 256 KB Output is correct
24 Correct 0 ms 256 KB Output is correct
25 Correct 1 ms 256 KB Output is correct
26 Correct 1 ms 256 KB Output is correct
27 Correct 1 ms 256 KB Output is correct
28 Correct 1 ms 256 KB Output is correct
29 Correct 1 ms 288 KB Output is correct
30 Correct 1 ms 256 KB Output is correct
31 Correct 1 ms 256 KB Output is correct
32 Correct 1 ms 256 KB Output is correct
33 Correct 1 ms 256 KB Output is correct
34 Correct 1 ms 256 KB Output is correct
35 Correct 1 ms 256 KB Output is correct
36 Correct 1 ms 256 KB Output is correct
37 Correct 7 ms 384 KB Output is correct
38 Correct 15 ms 896 KB Output is correct
39 Correct 15 ms 896 KB Output is correct
40 Correct 18 ms 1024 KB Output is correct
41 Correct 15 ms 896 KB Output is correct
42 Correct 18 ms 896 KB Output is correct
43 Correct 15 ms 896 KB Output is correct
44 Correct 14 ms 896 KB Output is correct
45 Correct 15 ms 896 KB Output is correct
46 Correct 14 ms 896 KB Output is correct
47 Correct 7 ms 384 KB Output is correct
48 Correct 17 ms 864 KB Output is correct
49 Correct 8 ms 384 KB Output is correct
50 Correct 16 ms 768 KB Output is correct
51 Correct 16 ms 896 KB Output is correct
52 Correct 6 ms 384 KB Output is correct
53 Correct 14 ms 768 KB Output is correct
54 Correct 17 ms 896 KB Output is correct
55 Correct 17 ms 896 KB Output is correct
56 Correct 16 ms 896 KB Output is correct
57 Correct 17 ms 896 KB Output is correct