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纠正 0279 完全平方数 JavaScript版本代码错误
首先 0 不是题目中所说的完全平方数,所有 i 的范围应该从 1 开始; 其次,i <= n 不太合理,增加了大量无用计算,应改成 i**2 (即 i^2)<= n 更为合适
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@ -334,8 +334,8 @@ var numSquares1 = function(n) {
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let dp = new Array(n + 1).fill(Infinity)
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dp[0] = 0
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for(let i = 0; i <= n; i++) {
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let val = i * i
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for(let i = 1; i**2 <= n; i++) {
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let val = i**2
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for(let j = val; j <= n; j++) {
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dp[j] = Math.min(dp[j], dp[j - val] + 1)
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}
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