From 28890adf52414c172b3749530991574e7a90ebe3 Mon Sep 17 00:00:00 2001
From: dtr200 <negevski@yandex.ru>
Date: Sat, 26 Jun 2021 15:21:05 +0300
Subject: [PATCH] Homework-2: task G has been completed

---
 homework-lecture-2/biggest-numbers-mult.js | 85 ++++++++++++++++++++++
 1 file changed, 85 insertions(+)
 create mode 100644 homework-lecture-2/biggest-numbers-mult.js

diff --git a/homework-lecture-2/biggest-numbers-mult.js b/homework-lecture-2/biggest-numbers-mult.js
new file mode 100644
index 0000000..653a2aa
--- /dev/null
+++ b/homework-lecture-2/biggest-numbers-mult.js
@@ -0,0 +1,85 @@
+function getBiggestNumbersMult(list){
+    list = list.split(' ').map(num => 
+        Number(num));
+
+    if(list.length === 2){
+        return list[0] > list[1] ? 
+            `${list[1]} ${list[0]}` : 
+            `${list[0]} ${list[1]}`;
+    }
+
+    // Считаю количество минусовых чисел
+
+    let negative = [];
+    let negativePos = [];
+    let notNegative = false;
+
+    for(let i = 0; i < list.length; i++){
+        if(list[i] < 0){
+            negative.push(list[i]);
+            negativePos.push(i);
+        }
+    }
+
+    // Если негативное только одно, тогда убираю из массива.
+
+    if(negative.length === 1){
+        list.splice(negativePos[0], 1);
+        notNegative = true;
+    }
+
+    /* Ищу наибольшие значения или наименьшие среди минусовых. 
+       В sign приходит false если работаю с минусовыми и 
+       true для плюсовых */
+
+    const getBigger = (nums, sign) => {
+        let bigger = nums[0];
+            biggerPos = 0;
+            for(let i = 1; i < nums.length; i++){
+                const current = nums[i];
+                if( (!sign && current < bigger) ||
+                    (sign && current > bigger) ){
+                    bigger = current;
+                    biggerPos = i;
+                }              
+            }
+        return biggerPos;
+    }
+
+    const firstNegativePos = notNegative ? null : 
+        getBigger(negative, false);
+    const firstPositivePos = getBigger(list, true);
+
+    const firstNegative = negative[firstNegativePos];
+    const firstPositive = list[firstPositivePos];
+
+    // Удаляю наибольшие значения чтобы не мешались
+    negative.splice(firstNegativePos, 1);
+    list.splice(firstPositivePos, 1);
+
+    const secondNegativePos = notNegative ? null : 
+        getBigger(negative, false);
+    const secondPositivePos = getBigger(list, true);
+
+    const secondNegative = negative[secondNegativePos];
+    const secondPositive = list[secondPositivePos];
+
+    const negativeMult = firstNegative * secondNegative;
+    const positiveMult = firstPositive * secondPositive;
+
+    const getResult = (first, second) => {
+        return first > second ? 
+            `${second} ${first}` :
+            `${first} ${second}`;
+    }
+
+    let result;
+    if(negativeMult > positiveMult)
+        result = getResult(firstNegative, secondNegative);
+    else
+        result = getResult(firstPositive, secondPositive);
+        
+    return result;
+}
+
+getBiggestNumbersMult('-4 3 -5 2 5');
\ No newline at end of file