Angle Type By Dot Product
Medium
Computer Mathematics
Linear Algebra Basics
29 views
Problem Statement
Given two 2D vectors, print ACUTE/RIGHT/OBTUSE.
Input Format
ax ay bx by.
Output Format
One word.
Example
1 0 0 1
RIGHT
Constraints
Values fit 64-bit
Input / Output Format
Input Format
ax ay bx by.
Output Format
One word.
Constraints
Values fit 64-bit
Examples
Input:
1 0 0 1
Output:
RIGHT
Example Solution (Public)
Compute dot=ax*bx+ay*by. If dot==0 RIGHT, if >0 ACUTE else OBTUSE.
Official Solution Code
Compute dot=ax*bx+ay*by. If dot==0 RIGHT, if >0 ACUTE else OBTUSE.
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