oj.uz

Submission #538407

# Submission time Handle Problem Language Result Execution time Memory
538407 2022-03-16T19:00:58 Z EqualTurtle Packing Biscuits (IOI20_biscuits) C++14
100 / 100
 47 ms 1236 KB 
#include "biscuits.h"
#include<bits/stdc++.h>
using namespace std;

constexpr long long MAXK = 63;

long long dp[MAXK];
long long sum[MAXK];
long long sx[MAXK];

long long logg(long long n){
	int curr = -1;
	while (n > 0){
		n = (n >> 1);
		curr++;
	}
	return curr;
}

long long foo(long long n)
{
	if (n <= 0)
		return 0;
	if (n == 1)
		return 1;
	
	long long l = logg(n);
	if (n == (1LL << l))
		l--;
	
	long long res = dp[l] + foo(min(n, 1 + sx[l]) - (1LL << l));
	return res;
}
 
long long count_tastiness(long long x, vector<long long> a)
{
	sum[0] = 0;
	for (long long i = 0; i < MAXK - 1; i++)
	{
		if (i < (long long)a.size())
			sum[i] += a[i] * (1LL << i);
		sx[i] = sum[i] / x;
		sum[i + 1] = sum[i];
	}
	
	for (long long i = 0; i < MAXK-1; i++)
		dp[i] = foo(1LL << i);

	//for (int i = 0; i < 4; i++)
	//	cout << sum[i] << " " << sx[i] << " " << dp[i] << "\n";
	return dp[MAXK - 2];
}

Subtask #1
9.0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 300 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 1 ms 304 KB Output is correct
4 Correct 1 ms 300 KB Output is correct
5 Correct 1 ms 300 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
10 Correct 1 ms 304 KB Output is correct
11 Correct 1 ms 304 KB Output is correct
12 Correct 1 ms 340 KB Output is correct
13 Correct 1 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 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 300 KB Output is correct
5 Correct 1 ms 212 KB Output is correct
6 Correct 2 ms 340 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 1 ms 304 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 1 ms 300 KB Output is correct
4 Correct 1 ms 212 KB Output is correct
5 Correct 1 ms 304 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 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 304 KB Output is correct
13 Correct 1 ms 300 KB Output is correct

Subtask #4
35.0 / 35.0

# Verdict Execution time Memory Grader output
1 Correct 7 ms 340 KB Output is correct
2 Correct 13 ms 1108 KB Output is correct
3 Correct 17 ms 1108 KB Output is correct
4 Correct 12 ms 1108 KB Output is correct
5 Correct 12 ms 1136 KB Output is correct
6 Correct 10 ms 1108 KB Output is correct
7 Correct 9 ms 1108 KB Output is correct
8 Correct 10 ms 1088 KB Output is correct
9 Correct 10 ms 1164 KB Output is correct
10 Correct 10 ms 1088 KB Output is correct

Subtask #5
23.0 / 23.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 300 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 1 ms 304 KB Output is correct
4 Correct 1 ms 300 KB Output is correct
5 Correct 1 ms 300 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
10 Correct 1 ms 304 KB Output is correct
11 Correct 1 ms 304 KB Output is correct
12 Correct 1 ms 340 KB Output is correct
13 Correct 1 ms 212 KB Output is correct
14 Correct 1 ms 212 KB Output is correct
15 Correct 1 ms 212 KB Output is correct
16 Correct 1 ms 212 KB Output is correct
17 Correct 1 ms 212 KB Output is correct
18 Correct 1 ms 300 KB Output is correct
19 Correct 1 ms 212 KB Output is correct
20 Correct 2 ms 340 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 1 ms 304 KB Output is correct
25 Correct 1 ms 212 KB Output is correct
26 Correct 1 ms 300 KB Output is correct
27 Correct 1 ms 212 KB Output is correct
28 Correct 1 ms 304 KB Output is correct
29 Correct 1 ms 212 KB Output is correct
30 Correct 1 ms 212 KB Output is correct
31 Correct 1 ms 212 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 304 KB Output is correct
36 Correct 1 ms 300 KB Output is correct
37 Correct 7 ms 340 KB Output is correct
38 Correct 13 ms 1108 KB Output is correct
39 Correct 17 ms 1108 KB Output is correct
40 Correct 12 ms 1108 KB Output is correct
41 Correct 12 ms 1136 KB Output is correct
42 Correct 10 ms 1108 KB Output is correct
43 Correct 9 ms 1108 KB Output is correct
44 Correct 10 ms 1088 KB Output is correct
45 Correct 10 ms 1164 KB Output is correct
46 Correct 10 ms 1088 KB Output is correct
47 Correct 7 ms 408 KB Output is correct
48 Correct 36 ms 1236 KB Output is correct
49 Correct 20 ms 312 KB Output is correct
50 Correct 47 ms 1148 KB Output is correct
51 Correct 14 ms 1236 KB Output is correct
52 Correct 3 ms 320 KB Output is correct
53 Correct 9 ms 1172 KB Output is correct
54 Correct 17 ms 1104 KB Output is correct
55 Correct 15 ms 1108 KB Output is correct
56 Correct 14 ms 1208 KB Output is correct
57 Correct 12 ms 1216 KB Output is correct