Problem:
Score : 500 points

Problem Statement

We have N bulbs arranged on a number line, numbered 1 to N from left to right.
Bulb i is at coordinate i.

Each bulb has a non-negative integer parameter called intensity.
When there is a bulb of intensity d at coordinate x, the bulb illuminates the segment from coordinate x-d-0.5 to x+d+0.5.
Initially, the intensity of Bulb i is A_i. We will now do the following operation K times in a row:

For each integer i between 1 and N (inclusive), let B_i be the number of bulbs illuminating coordinate i. Then, change the intensity of each bulb i to B_i.

Find the intensity of each bulb after the K operations.

Constraints

1 \leq N \leq 2 \times 10^5

1 \leq K \leq 2 \times 10^5

0 \leq A_i \leq N

Input

Input is given from Standard Input in the following format:

N K
A_1 A_2 \ldots A_N

Output

Print the intensity A{'}_i of each bulb i after the K operations to Standard Output in the following format:

A{'}_1 A{'}_2 \ldots A{'}_N

Sample Input 1

5 1
1 0 0 1 0

Sample Output 1

1 2 2 1 2

Initially, only Bulb 1 illuminates coordinate 1, so the intensity of Bulb 1 becomes 1 after the operation.
Similarly, the bulbs initially illuminating coordinate 2 are Bulb 1 and 2, so the intensity of Bulb 2 becomes 2.

Sample Input 2

5 2
1 0 0 1 0

Sample Output 2

3 3 4 4 3

Solution in C++ (GCC 9.2.1) (judge verdict: Time Limit Exceeded)

#include <iostream>
#include <vector>
#include <string>
#include <map>
#include <algorithm>

int main()
{
    int64_t N, K;

    std::cin >> N >> K;

    std::vector<int64_t> A(N);
    std::vector<int64_t> R(N);

    for (int64_t n = 0; n < N; ++n)
    {
        std::cin >> A[n];
    }

    for (int64_t k= 0; k < K; k++)
    {
        for (int64_t i = 0; i < N; i++)
        {
            for (int64_t j = 0; j < N; j++)
            {
                if (A[j] >= abs(i - j))
                {
                    R[i] += 1;
                }
            }
        }
        std::swap(A, R);
        std::fill(R.begin(), R.end(), 0);
    }

    for (int64_t i = 0; i < N; i++)
    {
        std::cout << A[i] << " ";
    }
    std::cout << std::endl;

    return 0;
}