sum of squared numbers

python/problem_633/README.md

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+# 633. Sum of Square Numbers
+
+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
+
+