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0633. 平方数之和.md

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# 633. 平方数之和
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给定一个非负整数 c ,你要判断是否存在两个整数 a 和 b,使得 a2 + b2 = c 。
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---
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```js
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/**
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* @param {number} c
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* @return {boolean}
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*/
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var judgeSquareSum = function(c) {
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for (var i = 0; i * i <= c; i ++) {
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var b = Math.sqrt(c - i * i)
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if (b === parseInt(b)) return true
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}
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return false
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};
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```

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