Submission #303372

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
303372	2020-09-20T09:14:04 Z	Elegia	Packing Biscuits (IOI20_biscuits)	C++17	42 / 100	1000 ms	41744 KB

biscuits

#include "biscuits.h"

#include <functional>
#include <unordered_map>

using namespace std;

using ll = long long;

ll count_tastiness(ll x, vector<ll> a) {
	vector<unordered_map<ll, ll>> dp(61);
	a.resize(61);
	for (int i = 0; i < 60; ++i)
		if (a[i] >= x) {
			ll tak = (a[i] - x) / x / 2;
			a[i + 1] += tak * x;
			a[i] -= tak * 2 * x;
		}
	function<ll(int, ll)> dfs = [&](int k, ll v) {
		if (k == 60) return 1LL;
		if (dp[k].count(v))
			return dp[k][v];
		ll ret = dfs(k + 1, (v + a[k]) / 2);
		if (v + a[k] >= x) ret += dfs(k + 1, (v + a[k] - x) / 2);
		return dp[k][v] = ret;
	};
	return dfs(0, 0);
}

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	256 KB	Output is correct
3	Correct	1 ms	384 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	0 ms	256 KB	Output is correct
10	Correct	1 ms	256 KB	Output is correct
11	Correct	0 ms	256 KB	Output is correct
12	Correct	1 ms	256 KB	Output is correct
13	Correct	1 ms	256 KB	Output is correct
14	Correct	1 ms	384 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	0 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	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	88 ms	15352 KB	Output is correct
2	Correct	169 ms	8452 KB	Output is correct
3	Correct	289 ms	13432 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	817 ms	15776 KB	Output is correct
9	Correct	511 ms	11384 KB	Output is correct
10	Correct	2 ms	384 KB	Output is correct
11	Correct	10 ms	624 KB	Output is correct
12	Correct	96 ms	2708 KB	Output is correct
13	Correct	823 ms	16084 KB	Output is correct

Subtask #4

0 / 35.0

#	Verdict	Execution time	Memory	Grader output
1	Execution timed out	1049 ms	41744 KB	Time limit exceeded
2	Halted	0 ms	0 KB	-

Subtask #5

0 / 23.0

#	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	1 ms	384 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	0 ms	256 KB	Output is correct
10	Correct	1 ms	256 KB	Output is correct
11	Correct	0 ms	256 KB	Output is correct
12	Correct	1 ms	256 KB	Output is correct
13	Correct	1 ms	256 KB	Output is correct
14	Correct	1 ms	384 KB	Output is correct
15	Correct	1 ms	256 KB	Output is correct
16	Correct	0 ms	256 KB	Output is correct
17	Correct	1 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	88 ms	15352 KB	Output is correct
25	Correct	169 ms	8452 KB	Output is correct
26	Correct	289 ms	13432 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	256 KB	Output is correct
30	Correct	1 ms	256 KB	Output is correct
31	Correct	817 ms	15776 KB	Output is correct
32	Correct	511 ms	11384 KB	Output is correct
33	Correct	2 ms	384 KB	Output is correct
34	Correct	10 ms	624 KB	Output is correct
35	Correct	96 ms	2708 KB	Output is correct
36	Correct	823 ms	16084 KB	Output is correct
37	Execution timed out	1049 ms	41744 KB	Time limit exceeded
38	Halted	0 ms	0 KB	-