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Submission #804745

# Submission time Handle Problem Language Result Execution time Memory
804745 2023-08-03T11:06:56 Z LittleCube Packing Biscuits (IOI20_biscuits) C++17
100 / 100
 35 ms 1340 KB 
#include "biscuits.h"
#include <bits/stdc++.h>
#define ll long long
using namespace std;

long long count_tastiness(ll x, vector<ll> a)
{
	a.resize(60);
	int k = 60;
	vector<ll> sum(k), fold(k);
	sum[0] = a[0];
	for (int i = 1; i < k; i++)
		sum[i] = sum[i - 1] + (a[i] << i);
	for (int i = 0; i < k; i++)
		if (sum[i] / x / (1LL << i) == 0)
			fold[i] = -1;
		else
			fold[i] = min((1LL << i) - 1, (sum[i] - x * (1LL << i)) / x);
	map<ll, ll> mp;
	mp[1LL << 62]++;
	for (int i = k - 1; i >= 0; i--)
	{
		map<ll, ll> nxt;
		for (auto [p, v] : mp)
			if (p >= (1LL << i))
			{
				nxt[(1LL << i) - 1] += v;
				if (fold[i] >= 0)
					nxt[min(p - (1LL << i), fold[i])] += v;
			}
			else
				nxt[p] += v;
		nxt.swap(mp);
	}
	return mp[0];
}

Subtask #1
9.0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 1 ms 212 KB Output is correct
5 Correct 0 ms 212 KB Output is correct
6 Correct 1 ms 212 KB Output is correct
7 Correct 1 ms 212 KB Output is correct
8 Correct 1 ms 296 KB Output is correct
9 Correct 1 ms 212 KB Output is correct
10 Correct 1 ms 340 KB Output is correct
11 Correct 0 ms 212 KB Output is correct
12 Correct 0 ms 212 KB Output is correct
13 Correct 1 ms 300 KB Output is correct
14 Correct 1 ms 212 KB Output is correct

Subtask #2
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 0 ms 296 KB Output is correct
3 Correct 1 ms 288 KB Output is correct
4 Correct 1 ms 212 KB Output is correct
5 Correct 1 ms 304 KB Output is correct
6 Correct 0 ms 212 KB Output is correct
7 Correct 1 ms 212 KB Output is correct
8 Correct 1 ms 212 KB Output is correct
9 Correct 1 ms 304 KB Output is correct

Subtask #3
21.0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 0 ms 296 KB Output is correct
4 Correct 1 ms 300 KB Output is correct
5 Correct 1 ms 212 KB Output is correct
6 Correct 0 ms 216 KB Output is correct
7 Correct 0 ms 212 KB Output is correct
8 Correct 1 ms 304 KB Output is correct
9 Correct 1 ms 300 KB Output is correct
10 Correct 1 ms 304 KB Output is correct
11 Correct 1 ms 212 KB Output is correct
12 Correct 1 ms 212 KB Output is correct
13 Correct 1 ms 212 KB Output is correct

Subtask #4
35.0 / 35.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 340 KB Output is correct
2 Correct 17 ms 1204 KB Output is correct
3 Correct 17 ms 1204 KB Output is correct
4 Correct 16 ms 1200 KB Output is correct
5 Correct 16 ms 1184 KB Output is correct
6 Correct 18 ms 1140 KB Output is correct
7 Correct 18 ms 1080 KB Output is correct
8 Correct 21 ms 1108 KB Output is correct
9 Correct 17 ms 1108 KB Output is correct
10 Correct 13 ms 1172 KB Output is correct

Subtask #5
23.0 / 23.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 1 ms 212 KB Output is correct
5 Correct 0 ms 212 KB Output is correct
6 Correct 1 ms 212 KB Output is correct
7 Correct 1 ms 212 KB Output is correct
8 Correct 1 ms 296 KB Output is correct
9 Correct 1 ms 212 KB Output is correct
10 Correct 1 ms 340 KB Output is correct
11 Correct 0 ms 212 KB Output is correct
12 Correct 0 ms 212 KB Output is correct
13 Correct 1 ms 300 KB Output is correct
14 Correct 1 ms 212 KB Output is correct
15 Correct 1 ms 212 KB Output is correct
16 Correct 0 ms 296 KB Output is correct
17 Correct 1 ms 288 KB Output is correct
18 Correct 1 ms 212 KB Output is correct
19 Correct 1 ms 304 KB Output is correct
20 Correct 0 ms 212 KB Output is correct
21 Correct 1 ms 212 KB Output is correct
22 Correct 1 ms 212 KB Output is correct
23 Correct 1 ms 304 KB Output is correct
24 Correct 0 ms 212 KB Output is correct
25 Correct 1 ms 212 KB Output is correct
26 Correct 0 ms 296 KB Output is correct
27 Correct 1 ms 300 KB Output is correct
28 Correct 1 ms 212 KB Output is correct
29 Correct 0 ms 216 KB Output is correct
30 Correct 0 ms 212 KB Output is correct
31 Correct 1 ms 304 KB Output is correct
32 Correct 1 ms 300 KB Output is correct
33 Correct 1 ms 304 KB Output is correct
34 Correct 1 ms 212 KB Output is correct
35 Correct 1 ms 212 KB Output is correct
36 Correct 1 ms 212 KB Output is correct
37 Correct 5 ms 340 KB Output is correct
38 Correct 17 ms 1204 KB Output is correct
39 Correct 17 ms 1204 KB Output is correct
40 Correct 16 ms 1200 KB Output is correct
41 Correct 16 ms 1184 KB Output is correct
42 Correct 18 ms 1140 KB Output is correct
43 Correct 18 ms 1080 KB Output is correct
44 Correct 21 ms 1108 KB Output is correct
45 Correct 17 ms 1108 KB Output is correct
46 Correct 13 ms 1172 KB Output is correct
47 Correct 5 ms 408 KB Output is correct
48 Correct 12 ms 1236 KB Output is correct
49 Correct 7 ms 340 KB Output is correct
50 Correct 11 ms 1108 KB Output is correct
51 Correct 9 ms 1340 KB Output is correct
52 Correct 4 ms 340 KB Output is correct
53 Correct 7 ms 1196 KB Output is correct
54 Correct 35 ms 1144 KB Output is correct
55 Correct 35 ms 1172 KB Output is correct
56 Correct 33 ms 1192 KB Output is correct
57 Correct 29 ms 1108 KB Output is correct