To the Max Time Limit: 1000MS Memory Limit: 10000K Total Submissions: 44765 Accepted: 23700 Description Given a two-dimensional array of positive and negative integers, a sub-rectangle is any contiguous sub-array of size 1*1 or greater located wi…
To the MaxTime Limit: 1000MS Memory Limit: 10000KTotal Submissions: 52281 Accepted: 27633Description Given a two-dimensional array of positive and negative integers, a sub-rectangle is any contiguous sub-array of size 1*1 or greater located within th…
sum()求和是一个非常简单的函数,以前我的写法是这样,我想大部分和我一样刚开始学习JS的同学写出来的也会是这样. function sum() { var total=null; for(var i=0;i<arguments.length;i++){ var cur=Number(arguments[i]); if (!isNaN(cur)){ total+=cur; } } return total; } 看到下面这行,我发现自己的路还有很长很长-- function sum() { re…