From a525818bac059819413d50bd56d59bc931054258 Mon Sep 17 00:00:00 2001
From: yeram <yeram5@snu.ac.kr>
Date: Thu, 16 Apr 2020 23:29:30 +0900
Subject: [PATCH 1/2] homework4 answer written

---
 homework4.txt | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/homework4.txt b/homework4.txt
index d8160f0..51e62ee 100644
--- a/homework4.txt
+++ b/homework4.txt
@@ -1,2 +1,6 @@
 1. What is .gitignore? You can write the answer either in Korean or English.
-2. Why do Github users need an SSH key pair? (Users can use either SSH key pair or github account info.) Please write down a brief explanation of SSH key.
\ No newline at end of file
+GitÀÇ °ü¸® ´ë»ó¿¡¼­ Á¦¿ÜÇÒ ÆÄÀÏÀÇ ¸ñ·ÏÀ» ÁöÁ¤ÇÒ ¶§ »ç¿ëÇÏ´Â ÆÄÀÏ.
+.gitignore¿¡ Ãß°¡ÇÑ È®ÀåÀÚ³ª Æú´õ´Â Git¿¡ ÀÇÇØ ¹«½ÃµÈ´Ù. 
+
+2. Why do Github users need an SSH key pair? (Users can use either SSH key pair or github account info.) Please write down a brief explanation of SSH key.
+SSH key¸¦ ÀÌ¿ëÇϸé À¯Àú³×ÀÓ°ú ºñ¹Ð¹øÈ£¸¦ ¸Å ¹ø ÀÔ·ÂÇÏÁö ¾Ê°í Github¿¡ Á¢¼ÓÇÒ ¼ö ÀÖ°Ô µÈ´Ù. ±×·¯¸é¼­µµ ³ôÀº ¼öÁØÀÇ º¸¾ÈÀ» º¸ÀåÇÑ´Ù. SSH Key¸¦ ·ÎÄà ±â±â¿¡¼­ »ý¼ºÇÏ°í À̸¦ µî·ÏÇϸé, SSH Á¢¼ÓÀ» ½ÃµµÇÒ ¶§ SSH Ŭ¶óÀ̾ðÆ®°¡ À̸¦ SSH ¼­¹öÀÇ Å°¿Í ºñ±³ÇÏ¿© ÀÏÄ¡Çϸé Á¢¼ÓÀ» Çã°¡ÇÏ´Â ¹æ½ÄÀÌ´Ù. 
\ No newline at end of file

From 2bc26da1b248a467cfa5cb96a65e1220a3870754 Mon Sep 17 00:00:00 2001
From: yeram <yeram5@snu.ac.kr>
Date: Thu, 16 Apr 2020 23:53:48 +0900
Subject: [PATCH 2/2] source.cpp code completed

---
 homework4/Source.cpp | 21 ++++++++++++---------
 1 file changed, 12 insertions(+), 9 deletions(-)

diff --git a/homework4/Source.cpp b/homework4/Source.cpp
index ab69b66..81d032a 100644
--- a/homework4/Source.cpp
+++ b/homework4/Source.cpp
@@ -1,3 +1,6 @@
+//Lab2_04_Homework
+//2018-15376 YeRam Oh
+
 #include <iostream>
 #include <fstream>
 #include <time.h>
@@ -9,7 +12,7 @@ int main()
 	const int arrsize = 10;
 	int* arr = new int[arrsize];
 	srand((unsigned int)time(NULL));
-	cout << "Array arr: " ;
+	cout << "Array arr: ";
 	for (int i = 0; i < arrsize; i++)
 	{
 		arr[i] = (rand() % 10);
@@ -17,17 +20,17 @@ int main()
 	}
 	cout << endl;
 
-	//Given the int array arr, generate another int array output.
-	//whose element indiciates how many elements in arr is smaller than arr[i].
-	//For example, if arr is given as [5,8,5,6,8,1,5,9,5,8], 
-	//output should be [1,6,1,5,6,0,1,9,1,6]. 
-
 	int* output = new int[arrsize];
 	cout << "Array output: ";
 
-	/***********************************
-	Implement the code here!
-	************************************/
+	for (int i = 0; i < arrsize; i++) {
+		int k = 0;
+		for (int j = 0; j < arrsize; j++) {
+			if (arr[i] > arr[j]) k++;
+		}
+		output[i] = k;
+	}
+
 
 	for (int i = 0; i < arrsize; i++) {
 		cout << output[i] << " ";