From 992a8de2166f1057fff53158e5774226d1e2812f Mon Sep 17 00:00:00 2001
From: Justsvetoslavov <justsvetoslavov@gmail.com>
Date: Sat, 23 Oct 2021 16:05:46 +0300
Subject: Added solutions

---
 pract_SI/pract. 03/Solutions/task3.cpp | 22 ++++++++++++++++++
 pract_SI/pract. 03/Solutions/task4.cpp | 21 +++++++++++++++++
 pract_SI/pract. 03/Solutions/task5.cpp | 41 ++++++++++++++++++++++++++++++++++
 pract_SI/pract. 03/Solutions/task6.cpp | 18 +++++++++++++++
 4 files changed, 102 insertions(+)
 create mode 100644 pract_SI/pract. 03/Solutions/task3.cpp
 create mode 100644 pract_SI/pract. 03/Solutions/task4.cpp
 create mode 100644 pract_SI/pract. 03/Solutions/task5.cpp
 create mode 100644 pract_SI/pract. 03/Solutions/task6.cpp

diff --git a/pract_SI/pract. 03/Solutions/task3.cpp b/pract_SI/pract. 03/Solutions/task3.cpp
new file mode 100644
index 0000000..a6a6362
--- /dev/null
+++ b/pract_SI/pract. 03/Solutions/task3.cpp	
@@ -0,0 +1,22 @@
+#include<iostream>
+using namespace std;
+int main()
+{
+	 unsigned long long oldNumber, newNumber;
+
+	 cout << "Enter a positive number: ";
+	 cin >> oldNumber;
+
+	 oldNumber *= oldNumber;
+	 newNumber = 0;
+
+	 while (oldNumber != 0)
+	 {
+		  newNumber = newNumber * 10 + oldNumber % 10;
+		  oldNumber /= 10;
+	 }
+
+	 cout << newNumber << endl;
+
+	 return 0;
+}
\ No newline at end of file
diff --git a/pract_SI/pract. 03/Solutions/task4.cpp b/pract_SI/pract. 03/Solutions/task4.cpp
new file mode 100644
index 0000000..622b8a1
--- /dev/null
+++ b/pract_SI/pract. 03/Solutions/task4.cpp	
@@ -0,0 +1,21 @@
+#include<iostream>
+using namespace std;
+int main()
+{
+	 unsigned int m, n;
+	 cout << "Number of rows: ";
+	 cin >> m;
+	 cout << "Number of columns: ";
+	 cin >> n;
+
+	 for (unsigned int i = 1; i <= m * n; i++)
+	 {
+		  cout << i << " ";
+		  if (i % n == 0)
+		  {
+				cout << endl;
+		  }
+	 }
+
+	 return 0;
+}
\ No newline at end of file
diff --git a/pract_SI/pract. 03/Solutions/task5.cpp b/pract_SI/pract. 03/Solutions/task5.cpp
new file mode 100644
index 0000000..d6ac57c
--- /dev/null
+++ b/pract_SI/pract. 03/Solutions/task5.cpp	
@@ -0,0 +1,41 @@
+#include<iostream>
+using namespace std;
+int main()
+{
+	 unsigned short number, guess;
+	 unsigned int counter = 0;
+
+	 cout << "Enter a number between 0 and 100: ";
+	 cin >> number;
+	 if (number < 0 || number > 100)
+	 {
+		  cout << "Invalid input!\n";
+		  return 1;
+	 }
+
+	 do
+	 {
+		  ++counter;
+
+		  cout << "Guess " << counter << ": ";
+		  cin >> guess;
+		  if (guess < 0 || guess > 100)
+		  {
+				cout << "Invalid input!\n";
+				return 2;
+		  }
+
+		  if (guess < number)
+		  {
+				cout << "The number you are looking for is greater than your guess!\n";
+		  }
+		  else if (guess > number)
+		  {
+				cout << "The number you are looking for is less than your guess!\n";
+		  }
+	 } while (guess != number);
+
+	 cout << "You found the number in " << counter << " attempt(s)!\n";
+
+	 return 0;
+}
\ No newline at end of file
diff --git a/pract_SI/pract. 03/Solutions/task6.cpp b/pract_SI/pract. 03/Solutions/task6.cpp
new file mode 100644
index 0000000..8d0beac
--- /dev/null
+++ b/pract_SI/pract. 03/Solutions/task6.cpp	
@@ -0,0 +1,18 @@
+#include<iostream>
+using namespace std;
+int main()
+{
+	 unsigned int number = 0, input = 1;
+
+	 while(input != 0)
+	 {
+		  cout << "Enter a positive number: ";
+		  cin >> input;
+
+		  number ^= input;
+	 }
+
+	 cout << "The single number is " << number << endl;
+
+	 return 0;
+}
\ No newline at end of file
-- 
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