第 5 期(2019-05-12)：数组最大数最小数 #7

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1. liwenkang commented on May 12, 2019

   

   liwenkang

   on May 12, 2019

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   function findMaxMin(arr) {
       return [Math.max(...arr), Math.min(...arr)];
   }

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2. cnyballk commented on May 12, 2019

   

   cnyballk

   on May 12, 2019

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   const getMaxAndMinArray = (a = []) => {
     const l = a.length;
     if (l === 0) return [];
     if (l == 1) {
       return [a[0], a[0]];
     }
     let i = 0,
       j = l - 1,
       max = -Infinity,
       min = Infinity;
     while (i <= j) {
       if (a[i] < a[j]) {
         max = max > a[j] ? max : a[j];
         min = min < a[i] ? min : a[i];
       } else {
         max = max > a[i] ? max : a[i];
         min = min < a[j] ? min : a[j];
       }
       i++;
       j--;
     }
     return [max, min];
   };

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