Given a non-negative integer c
, decide whether there're two integers a
and b
such that a2 + b2 = c
.
Example 1:
Input: c = 5 Output: true Explanation: 1 * 1 + 2 * 2 = 5
Example 2:
Input: c = 3 Output: false
Constraints:
0 <= c <= 231 - 1