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Java-based LeetCode algorithm problem solutions, regularly updated
780\. Reaching Points
Hard
Given four integers `sx`, `sy`, `tx`, and `ty`, return `true` _if it is possible to convert the point_ `(sx, sy)` _to the point_ `(tx, ty)` _through some operations__, or_ `false` _otherwise_.
The allowed operation on some point `(x, y)` is to convert it to either `(x, x + y)` or `(x + y, y)`.
**Example 1:**
**Input:** sx = 1, sy = 1, tx = 3, ty = 5
**Output:** true
**Explanation:**
One series of moves that transforms the starting point to the target is:
(1, 1) -> (1, 2)
(1, 2) -> (3, 2)
(3, 2) -> (3, 5)
**Example 2:**
**Input:** sx = 1, sy = 1, tx = 2, ty = 2
**Output:** false
**Example 3:**
**Input:** sx = 1, sy = 1, tx = 1, ty = 1
**Output:** true
**Constraints:**
* 1 <= sx, sy, tx, ty <= 109