Time Limit Exceeded means they ran your code on a bigger input, and the code is slow. You need to optimize your code to reduce runtime ... ... <看更多>

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It makes little difference how the row is constructed, the problem is intentionally designed such that constructing the row at all will lead ... ... <看更多>

双层while，很大可能会Time Limit Exceeded. // while(n != 1 && flag){. // while(n/10 != 0){. // count += Math.pow(n%10,2);. // n = n/10;. ... <看更多>

... 方向在第二題更是跑出了Time Limit Exceed 解法就大概是a+=l1.val*10**times b+=l2.val*10**times sum=a+b 也是在第二題才知道有Dynamic Programming這種思考方向? ... <看更多>