added solutions

10 files changed, 167 insertions, 0 deletions

diff --git a/Sem. 01/Solutions/task1.cpp b/Sem. 01/Solutions/task1.cpp
new file mode 100644
index 0000000..e354b40
--- /dev/null
+++ b/Sem. 01/Solutions/task1.cpp
@@ -0,0 +1,10 @@
+#include <iostream>
+using namespace std;
+
+int main()
+{
+	int n;
+	cin >> n;
+	bool isEven = n % 2 == 0;
+	cout << isEven;
+}
diff --git a/Sem. 01/Solutions/task2.cpp b/Sem. 01/Solutions/task2.cpp
new file mode 100644
index 0000000..69e2eb4
--- /dev/null
+++ b/Sem. 01/Solutions/task2.cpp
@@ -0,0 +1,21 @@
+#include <iostream>
+using namespace std;
+
+int main()
+{
+	int n;
+	cin >> n;
+		
+	int thirdDigit = n % 10;
+	n /= 10; //remove the lastDigit;
+
+	int secondDigit = n % 10;
+	n /= 10; //remove the lastDigit;
+
+	int firstDigit = n % 10;
+
+	int reversed = thirdDigit * 100 + secondDigit * 10 + firstDigit;
+	reversed++;
+
+	cout << reversed << endl;
+}
diff --git a/Sem. 01/Solutions/task3.cpp b/Sem. 01/Solutions/task3.cpp
new file mode 100644
index 0000000..cc987be
--- /dev/null
+++ b/Sem. 01/Solutions/task3.cpp
@@ -0,0 +1,13 @@
+#include <iostream>
+using namespace std;
+
+int main()
+{
+	char ch;
+	cin >> ch;
+		
+	bool isVowel = ch == 'a' || ch == 'e' || ch == 'o' || ch == 'u' || ch == 'i'
+				|| ch == 'A' || ch == 'E' || ch == 'O' || ch == 'U' || ch == 'I';
+
+	cout << isVowel << endl;
+}
diff --git a/Sem. 01/Solutions/task4.cpp b/Sem. 01/Solutions/task4.cpp
new file mode 100644
index 0000000..9ed7cbb
--- /dev/null
+++ b/Sem. 01/Solutions/task4.cpp
@@ -0,0 +1,12 @@
+#include <iostream>
+using namespace std;
+
+int main()
+{
+	int grade;
+	cin >> grade;
+		
+	bool isValidGrade = grade >= 2 && grade <= 6;
+
+	cout << isValidGrade << endl;
+}
diff --git a/Sem. 01/Solutions/task5.cpp b/Sem. 01/Solutions/task5.cpp
new file mode 100644
index 0000000..08a7766
--- /dev/null
+++ b/Sem. 01/Solutions/task5.cpp
@@ -0,0 +1,11 @@
+#include <iostream>
+using namespace std;
+
+int main()
+{
+	int n;
+	cin >> n;
+
+	cout << n / 10 << endl;
+
+}
diff --git a/Sem. 02/Solutions/01. Between100and200.cpp b/Sem. 02/Solutions/01. Between100and200.cpp
new file mode 100644
index 0000000..0817bcc
--- /dev/null
+++ b/Sem. 02/Solutions/01. Between100and200.cpp
@@ -0,0 +1,15 @@
+#include <iostream>
+using namespace std;
+
+int main()
+{
+	unsigned int n;
+	cin >> n;
+	
+	if (n < 100)
+		cout << "Less than 100" << endl;
+	else if (n <= 200)
+		cout << "Between 100 and 200" << endl;
+	else
+		cout << "More than 200" << endl;
+}
\ No newline at end of file
diff --git a/Sem. 02/Solutions/02. Speed check.cpp b/Sem. 02/Solutions/02. Speed check.cpp
new file mode 100644
index 0000000..4660382
--- /dev/null
+++ b/Sem. 02/Solutions/02. Speed check.cpp
@@ -0,0 +1,19 @@
+#include <iostream>
+using namespace std;
+
+int main()
+{
+	double speed;
+	cin >> speed;
+	
+	if (speed <= 10)
+		cout << "Slow" << endl;
+	else if (speed < 50)
+		cout << "Average" << endl;
+	else if (speed < 150)
+		cout << "Fast" << endl;
+	else if (speed < 1000)
+		cout << "Ultra fast" << endl;
+	else
+		cout << "Extremely fast" << endl;
+}
\ No newline at end of file
diff --git a/Sem. 02/Solutions/03. Figures.cpp b/Sem. 02/Solutions/03. Figures.cpp
new file mode 100644
index 0000000..170c403
--- /dev/null
+++ b/Sem. 02/Solutions/03. Figures.cpp
@@ -0,0 +1,28 @@
+#include <iostream>
+using namespace std;
+
+const double PI = 3.14;
+int main()
+{
+	char figure;
+	cin >> figure;
+
+	if (figure == 's')
+	{
+		double side;
+		cin >> side;
+		cout << side * side << endl;
+	}
+	else if (figure == 'r')
+	{
+		double sideA, sideB;
+		cin >> sideA >> sideB;
+		cout << sideA * sideB << endl;
+	}
+	else if (figure == 'c')
+	{
+		double R;
+		cin >> R;
+		cout << PI * R * R << endl;
+	}
+}
\ No newline at end of file
diff --git a/Sem. 02/Solutions/04. Time + 15.cpp b/Sem. 02/Solutions/04. Time + 15.cpp
new file mode 100644
index 0000000..826fa50
--- /dev/null
+++ b/Sem. 02/Solutions/04. Time + 15.cpp
@@ -0,0 +1,22 @@
+#include <iostream>
+using namespace std;
+
+const double PI = 3.14;
+int main()
+{
+	int hours, mins;
+	cin >> hours >> mins;
+
+	(mins += 15) %= 60;
+
+	if (mins < 15)
+		(hours+=1)%=24;
+
+	if (hours <= 9)
+		cout << 0;
+	cout << hours << ":";
+	
+	if (mins <= 9)
+		cout << 0;
+	cout << mins << endl;
+}
\ No newline at end of file
diff --git a/Sem. 02/Solutions/05. Chainsaw.cpp b/Sem. 02/Solutions/05. Chainsaw.cpp
new file mode 100644
index 0000000..68940e0
--- /dev/null
+++ b/Sem. 02/Solutions/05. Chainsaw.cpp
@@ -0,0 +1,16 @@
+#include <iostream>
+using namespace std;
+
+int main()
+{
+	int a, b, c, d, e;
+	cin >> a >> b >> c >> d >> e;
+
+	if ((a <= b && b >= c && c <= d && d >= e)
+		|| (a >= b && b <= c && c >= d && d <= e))
+	{
+		cout << "Yes";
+	}
+	else
+		cout << "No";
+}
\ No newline at end of file