#include<iostream.h>
#include<string.h>
float fun(float arr[][1],float arr[][3]){
 
	arr[i][5]=(arr[i][1]/arr[i][2]);
	return arr[i][5];}
int main(){
	char ch,temp;
	int i,b,a,num;
	char arr_name[10];
	float arr[10][5];
	cout<<"this is a small menu to show what this program do\n";
	cout<<"to use this program you should use the same order of \n";
	cout<<"the menu......\n";
	cout<<"                *^*^*^*****^*^*^*\n";
	do{
	cout<<"1. print all information for specific name.\n";
	cout<<"2. prints all student's names and id's that their GPA more than 4.\n";
	cout<<"3. sort the student information using the student's name.\n";
	cout<<"4. exit.\n";
	cin>>num;
 
	switch(num){
	case 1 :for(i=0;i<10;i++){
 
		cout<<"enter the name for student "<<i<<endl;
		gets(arr_name[ch]);
		cout<<"enter the student's level number: ";
			cin>>arr[i][0];
			cout<<"enter the student;s points of all classes: ";
			cin>>arr[i][1];
			cout<<"enter the students hours of all classes: ";
			cin>>arr[i][2];
			cout<<"enter the student's id number: ";
			cin>>arr[i][3];
			arr[i][5]=fun(arr[][1],arr[][2]);
			cout<<"the GPA for student number "<<i<<" is "<<arr[i][5]<<endl;
		}
		break;
	case 2 :for(i=0;i<10;i++){
		if(arr[i][5]>4)
			cout<<"the student's name is :  "<<arr_name[i]<<"    id number:  "<<arr[i][4]<<"\n";
			}
		break;
		case 3 :for(i=0;i<10;i++){
		for(a=0;a<10;a++){
			for(b=9;b<=a;b--){
				if (arr_name[b-1]>arr_name[b]){
					temp=arr_name[b-1];
					arr_name[b-1]=arr_name[b];
					arr_name[b]=temp;}
			}
		}
			cout<<arr_name[i];
			}
		break;
	case 4 :cout<<"thank you for visiting this program\n";
		break;
	}while(num!=4);
	return 0;
	}
}

float fun(float arr[][1],float arr[][3]){

	arr[i][5]=(arr[i][1]/arr[i][2]);
	return arr[i][5];}