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Submission #609026

# Submission time Handle Problem Language Result Execution time Memory
609026 2022-07-27T11:51:02 Z Tigryonochekk Packing Biscuits (IOI20_biscuits) C++17
42 / 100
 1000 ms 19024 KB 
#include <iostream>
#include "biscuits.h"
#include <vector>
#include <map>
#include <unordered_map>
#define ll long long
#define pll pair<ll, ll>
using namespace std;

unordered_map<ll, ll> dp0, dp1;

long long count_tastiness(long long x, vector<long long> a) {
	ll ans = 0;
	for (int i = 0; a.size() < 63; i++)
		a.push_back(0);
	int k = a.size();
	dp0[a[0]] = 1;
	if (a[0] >= x) {
		dp0[a[0] - x] = 1;
	}
	for (int i = 1; i < k; i++) {
		for (pll jp : dp0) {
			ll j = jp.first, val = jp.second;
			dp1[j / 2 + a[i]] += val;
			if (j / 2 + a[i] >= x) {
				dp1[j / 2 + a[i] - x] += val;
			}
		}
		/*for (pll jp : dp1) {
			cout << i << " " << jp.first << " " << jp.second << endl;
		}*/
		dp0 = dp1;
		dp1.clear();
	}
	ans = dp0[0];
	dp0.clear();
	return ans;
}

/*
2
3 2
2 1 2
3 3
5 2 1
*/

Subtask #1
9.0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 1 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 0 ms 212 KB Output is correct
7 Correct 0 ms 212 KB Output is correct
8 Correct 1 ms 212 KB Output is correct
9 Correct 1 ms 212 KB Output is correct
10 Correct 1 ms 212 KB Output is correct
11 Correct 0 ms 212 KB Output is correct
12 Correct 0 ms 212 KB Output is correct
13 Correct 0 ms 212 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 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 1 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 212 KB Output is correct
9 Correct 1 ms 212 KB Output is correct

Subtask #3
21.0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 79 ms 1868 KB Output is correct
2 Correct 145 ms 1812 KB Output is correct
3 Correct 247 ms 1808 KB Output is correct
4 Correct 1 ms 212 KB Output is correct
5 Correct 1 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 602 ms 1876 KB Output is correct
9 Correct 416 ms 1876 KB Output is correct
10 Correct 2 ms 212 KB Output is correct
11 Correct 9 ms 328 KB Output is correct
12 Correct 86 ms 468 KB Output is correct
13 Correct 622 ms 1856 KB Output is correct

Subtask #4
0 / 35.0

# Verdict Execution time Memory Grader output
1 Execution timed out 1092 ms 19024 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 212 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 1 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 0 ms 212 KB Output is correct
7 Correct 0 ms 212 KB Output is correct
8 Correct 1 ms 212 KB Output is correct
9 Correct 1 ms 212 KB Output is correct
10 Correct 1 ms 212 KB Output is correct
11 Correct 0 ms 212 KB Output is correct
12 Correct 0 ms 212 KB Output is correct
13 Correct 0 ms 212 KB Output is correct
14 Correct 1 ms 212 KB Output is correct
15 Correct 0 ms 212 KB Output is correct
16 Correct 1 ms 212 KB Output is correct
17 Correct 0 ms 212 KB Output is correct
18 Correct 1 ms 212 KB Output is correct
19 Correct 1 ms 212 KB Output is correct
20 Correct 1 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 212 KB Output is correct
24 Correct 79 ms 1868 KB Output is correct
25 Correct 145 ms 1812 KB Output is correct
26 Correct 247 ms 1808 KB Output is correct
27 Correct 1 ms 212 KB Output is correct
28 Correct 1 ms 212 KB Output is correct
29 Correct 1 ms 212 KB Output is correct
30 Correct 1 ms 212 KB Output is correct
31 Correct 602 ms 1876 KB Output is correct
32 Correct 416 ms 1876 KB Output is correct
33 Correct 2 ms 212 KB Output is correct
34 Correct 9 ms 328 KB Output is correct
35 Correct 86 ms 468 KB Output is correct
36 Correct 622 ms 1856 KB Output is correct
37 Execution timed out 1092 ms 19024 KB Time limit exceeded
38 Halted 0 ms 0 KB -