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location India
age 22
visits member for 2 years, 9 months
seen Dec 11 at 6:34

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accepted Number of way to move form $(1,1)$ to $(n,n)$ in a square grid taking exactly $k$ turns
Feb
7
comment Number of way to move form $(1,1)$ to $(n,n)$ in a square grid taking exactly $k$ turns
There will be $(k+1)/2$ vertical and $k/2 + 1$ horizontal segments. Can you please elaborate more?
Feb
7
comment Number of way to move form $(1,1)$ to $(n,n)$ in a square grid taking exactly $k$ turns
no k=1 is also valid for example RRRR...R(n times)DDDD....D(n times) that is you are only turning once at top right corner.
Feb
7
comment Number of way to move form $(1,1)$ to $(n,n)$ in a square grid taking exactly $k$ turns
@user92774 moves available are right and down. I am naming the top left corner as (1,1) and bottom right corner as (n,n).
Feb
7
asked Number of way to move form $(1,1)$ to $(n,n)$ in a square grid taking exactly $k$ turns
Feb
5
awarded  Popular Question
May
18
awarded  Constituent
May
11
revised Proving that if $n$ is odd and $\gcd(m, n) = 1$, then $\gcd(2m + n, 2n) = 1$
added 26 characters in body
May
11
revised Proving that if $n$ is odd and $\gcd(m, n) = 1$, then $\gcd(2m + n, 2n) = 1$
added 47 characters in body
May
11
answered Proving that if $n$ is odd and $\gcd(m, n) = 1$, then $\gcd(2m + n, 2n) = 1$
May
10
awarded  Informed
May
7
asked Does Miller Rabin algorithm becomes faster if $a$ is choosen from the set $\mathbb{Z}_n^*-(\mathbb{Z}_n-\{0\})$ rather than randomly
May
7
awarded  Caucus