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These are all the files which we were assigned in the first semester to do them in C++ lab class.

2dArrayTask1.cpp

@@ -0,0 +1,39 @@
+#include <iostream>
+
+using namespace std;
+
+int main()
+{
+	//1. First we will get students' multiple subjects marks
+	//		and display them
+
+	const int STUDENTS = 2;
+	const int SUBJECTS = 3;
+	int marks[STUDENTS][SUBJECTS];
+
+	for(int i=0; i<STUDENTS; i++)
+	{
+		cout<<"**************************************\n";
+		cout<<"\tStudent "<<i+1<<endl;
+		cout<<"**************************************\n";
+		for(int j=0; j<SUBJECTS; j++)
+		{
+			cout<<"Enter marks for subject "<<j+1<<" : ";
+			cin>>marks[i][j];
+		}
+	}
+
+	for(int i=0; i<STUDENTS; i++)
+	{
+		cout<<"**************************************\n";
+		cout<<"\tStudent "<<i+1<<endl;
+		cout<<"**************************************\n";
+		for(int j=0; j<SUBJECTS; j++)
+		{
+			cout<<"Subject "<<j+1<<"\t"<<"Marks = "<<marks[i][j]<<endl;
+		}
+	}
+
+	return 0;
+}
+

2dArrayTask2.cpp

@@ -0,0 +1,53 @@
+#include <iostream>
+
+using namespace std;
+
+int main()
+{
+	//1. First we will get students' multiple subjects marks
+	//		and display them
+	//2. Then we will calculate each subject gpa
+
+	const int STUDENTS = 2;
+	const int SUBJECTS = 3;
+	int marks[STUDENTS][SUBJECTS];
+	float subGpa[STUDENTS][SUBJECTS];
+
+	for(int i=0; i<STUDENTS; i++)
+	{
+		cout<<"**************************************\n";
+		cout<<"\tStudent "<<i+1<<endl;
+		cout<<"**************************************\n";
+		for(int j=0; j<SUBJECTS; j++)
+		{
+			cout<<"Enter marks for subject "<<j+1<<" : ";
+			cin>>marks[i][j];
+		}
+	}
+
+	for(int i=0; i<STUDENTS; i++)
+	{
+		cout<<"**************************************\n";
+		cout<<"\tStudent "<<i+1<<endl;
+		cout<<"**************************************\n";
+		for(int j=0; j<SUBJECTS; j++)
+		{
+			if(marks[i][j] >= 87 && marks[i][j] <= 100)
+				subGpa[i][j] = 4.0;
+			else if(marks[i][j] >= 80 && marks[i][j] < 87)
+				subGpa[i][j] = 3.5;
+			else if(marks[i][j] >= 72 && marks[i][j] < 80)
+				subGpa[i][j] = 3.0;
+			else if(marks[i][j] >= 67 && marks[i][j] < 72)
+				subGpa[i][j] = 2.5;
+			else if(marks[i][j] >= 60 && marks[i][j] < 67)
+				subGpa[i][j] = 2.0;
+			else
+				subGpa[i][j] = 0.0;
+			cout<<"Subject "<<j+1<<"\t"<<"Marks = "<<marks[i][j]<<"\tGPA = "<<subGpa[i][j]<<endl;
+		}
+	}
+
+	return 0;
+}
+

2dArrayTask3.cpp

@@ -0,0 +1,74 @@
+#include <iostream>
+
+using namespace std;
+
+int main()
+{
+	//1. First we will get students' multiple subjects marks
+	//		and display them
+	//2. Then we will calculate each subject gpa
+	//3. Finally, we will find the gpa of each student in a 
+	//		semester
+	// gpa = SUM(each subject gpa * credit hours)/total credit hours
+	// array for credit hours, size will be SUBJECTS
+	// array for semester gpa, size will be STUDENTS
+
+	const int STUDENTS = 2;
+	const int SUBJECTS = 3;
+	int marks[STUDENTS][SUBJECTS];
+	float subGpa[STUDENTS][SUBJECTS];
+	float semGpa[STUDENTS];
+	int crdHrs[SUBJECTS];
+
+	for(int i=0; i<SUBJECTS; i++)
+	{
+		cout<<"Enter the credit hours for subject "<<i+1<<" : ";
+		cin>>crdHrs[i];
+	}
+	int totalCrdHrs = 0;
+	for(int i=0; i<SUBJECTS; i++)
+		totalCrdHrs += crdHrs[i];
+
+	for(int i=0; i<STUDENTS; i++)
+	{
+		cout<<"**************************************\n";
+		cout<<"\tStudent "<<i+1<<endl;
+		cout<<"**************************************\n";
+		for(int j=0; j<SUBJECTS; j++)
+		{
+			cout<<"Enter marks for subject "<<j+1<<" : ";
+			cin>>marks[i][j];
+		}
+	}
+	float sum;
+	for(int i=0; i<STUDENTS; i++)
+	{
+		sum = 0.0;
+		cout<<"**************************************\n";
+		cout<<"\tStudent "<<i+1<<endl;
+		cout<<"**************************************\n";
+		for(int j=0; j<SUBJECTS; j++)
+		{
+			if(marks[i][j] >= 87 && marks[i][j] <= 100)
+				subGpa[i][j] = 4.0;
+			else if(marks[i][j] >= 80 && marks[i][j] < 87)
+				subGpa[i][j] = 3.5;
+			else if(marks[i][j] >= 72 && marks[i][j] < 80)
+				subGpa[i][j] = 3.0;
+			else if(marks[i][j] >= 67 && marks[i][j] < 72)
+				subGpa[i][j] = 2.5;
+			else if(marks[i][j] >= 60 && marks[i][j] < 67)
+				subGpa[i][j] = 2.0;
+			else
+				subGpa[i][j] = 0.0;
+			cout<<"Subject "<<j+1<<"\t"<<"Marks = "<<marks[i][j]<<"\tGPA = "<<subGpa[i][j]<<endl;
+			sum += subGpa[i][j]*crdHrs[j];
+		}
+
+		semGpa[i] = sum/totalCrdHrs;
+		cout<<"Semester GPA = "<<semGpa[i]<<endl;
+	}
+
+	return 0;
+}
+

ArrayInStruct.cpp

@@ -0,0 +1,33 @@
+#include <iostream>
+using namespace std;
+struct employee {
+	string name;
+	int deptNo;
+	float salary;
+	int awardsYears[3];
+};
+
+
+int main()
+{
+	employee e1;
+	e1.name = "Irfan";
+	e1.deptNo = 1;
+	e1.salary = 30;
+	e1.awardsYears[0] = 2012;
+	e1.awardsYears[1] = 2013;
+	e1.awardsYears[2] = 2015;
+
+	cout<<e1.name<<endl;
+	cout<<e1.deptNo<<endl;
+	cout<<e1.salary<<endl;
+	cout<<e1.awardsYears[1];
+
+	employee e2 = {"Khan", 2, 25.0, {2016, 2017, 2019}};
+	cout<<endl<<e2.name<<endl;
+	cout<<e2.deptNo<<endl;
+	cout<<e2.salary<<endl;
+	cout<<e2.awardsYears[1];
+
+	return 0;
+}

ArrayToFtn.cpp

@@ -0,0 +1,40 @@
+#include <iostream>
+using namespace std;
+//int sum(int a[], int s);
+int sum(int[], int);
+int sum2(int a[][2], int r, int c);
+int main()
+{
+//	const int SIZE = 3;
+//	int n[SIZE] = {2, 3, 5};
+//	cout<<"Access memory violation: "<<n[100]<<endl;
+//	cout<<"Address of array: "<<n<<endl;
+//	cout<<"First element of the array: "<<*n<<endl;
+//	cout<<"SUM = "<<sum(n, SIZE)<<endl;
+
+	int d2[3][2] = {{3, 1}, {5,4}, {5, 2}};
+	cout<<"Sum of 2D = "<<sum2(d2, 3, 2)<<endl;
+	//cout<<n<<endl;
+	cout<<d2<<endl;
+	return 0;
+}
+
+int sum(int a[], int s)
+{
+//	cout<<a<<endl;
+	int result = 0;
+	for(int i=0; i<s; i++)
+		result += a[i];
+	return result;
+}
+
+int sum2(int a[][2], int r, int c)
+{
+	int result = 0;
+	for(int i=0; i<r; i++)
+	{
+		for(int j=0; j<c; j++)
+			result += a[i][j];
+	}
+	return result;
+}

Expenses via Function.cpp

@@ -0,0 +1,62 @@
+#include <iostream>
+using namespace std;
+// Sharif Ullah Danish
+   void Expenses(int p,int m,int Data[][6]);
+
+int main()
+{
+	const int PER=3;
+	const int MONTH=6;
+	int data[PER][MONTH];
+
+	Expenses(PER,MONTH,data);
+
+
+	return 0;
+}
+
+	void Expenses( int p, int M,int Data[][6]){
+
+		//
+			for(int i=0; i<p; i++)
+	{
+		int total=0, max=0, min=999999;
+		cout<<"\n User "<<i+1<<" Data: "<<endl;
+
+		for(int j=0; j<M; j++)
+
+		{
+			cout<<"Enter expenses for month "<<j+1<<": ";
+			cin>>Data[i][j];
+
+			total+=Data[i][j];
+			if(Data[i][j]>max) max = Data[i][j];
+			if(Data[i][j]<min) min = Data[i][j];
+		}
+
+				// we use loop for just stars
+
+			for(int a=0; a<40; a++)
+			cout<<"-";
+
+			cout<<"\n	User "<<i+1<<" \t 6 month expenses \n";
+
+			for(int a=0; a<40; a++)
+			cout<<"-";
+
+			cout<<"\n Total is: "<<total;
+			cout<<"\n Highest is: "<<max;
+			cout<<"\n Lowest is: "<<min<<endl;
+
+				// we use loop for just stars
+
+			for(int a=0; a<40; a++)
+			{
+			cout<<"*";
+			}
+
+
+	}
+		//
+	}
+

Expenses.cpp

@@ -0,0 +1,53 @@
+#include <iostream>
+using namespace std;
+// Sharif Ullah Danish
+
+int main()
+{
+	const int PER=3;
+	const int MONTH=6;
+	int data[PER][MONTH];
+
+
+	for(int i=0; i<PER; i++)
+	{
+		int total=0, max=0, min=99999;
+		cout<<"\n User "<<i+1<<" Data: "<<endl;
+
+		for(int j=0; j<MONTH; j++)
+
+		{
+			cout<<"Enter expenses for month "<<j+1<<": ";
+			cin>>data[i][j];
+
+			total+=data[i][j];
+			if(data[i][j]>max) max = data[i][j];
+			if(data[i][j]<min) min = data[i][j];
+		}
+
+				// we use loop for just stars
+
+			for(int a=0; a<40; a++)
+			cout<<"-";
+
+			cout<<"\n	User "<<i+1<<" \t 6 month expenses \n";
+
+			for(int a=0; a<40; a++)
+			cout<<"-";
+
+			cout<<"\n Total is: "<<total;
+			cout<<"\n Highest is: "<<max;
+			cout<<"\n Lowest is: "<<min<<endl;
+
+				// we use loop for just stars
+
+			for(int a=0; a<40; a++)
+			{
+			cout<<"*";
+			}
+
+
+	}
+
+	return 0;
+}