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#include<iomanip>
#include <fstream>
#include <iostream>
#include <string>
using namespace std;
struct StudentRecord
{
int studentId;
char name[20];
char grade[4];
};
void showRecords(StudentRecord [], int );
void showOneRecord(StudentRecord[]);
void bubbleSort(StudentRecord [],int);
int binarySearch(StudentRecord [], int, int);
int sequentialSearch(StudentRecord [], int, int);
int main(){
int studentID;
char userInput;
int result = 0;
const int numRecords = 5;
StudentRecord studentinfo[numRecords];
StudentRecord Avalrez=
{
231,
"Avalrez, Luis",
"B"
};
studentinfo[0] = Avalrez;
StudentRecord Dreian =
{
567,
"Dreian, Arlen",
"C"
};
studentinfo[1]= Dreian;
StudentRecord Tol =
{
145,
"Tol, Norith",
"A"
};
studentinfo[2]= Tol;
StudentRecord Garcia=
{
786,
"Garcia, Steven",
"D"
};
studentinfo[3]= Garcia;
StudentRecord Arenas=
{
362,
"Arenas, Jennifer",
"B"
};
studentinfo[4]= Arenas;
StudentRecord Solis=
{
421,
"Solis, Ernesto",
"A"
};
studentinfo [5]= Solis;
cout << "--------------- MENU----------------" << endl;
cout << "a. Search student by sequential search" << endl;
cout << "b. Search student by binary search" << endl;
cout << "c. Display student records" << endl;
cout << "d. Exit" << endl;
cout << "Enter your choice (a, b or c)" << endl;
while( userInput != 'd' )
{
cin >> userInput;
if( userInput == 'a' )
{
cout << "Enter student ID:";
cin >> studentID;
result = sequentialSearch( studentinfo,numRecords, studentID);
if( result > 0 )
{
showOneRecord( studentinfo[result]);
}
else
{
cout << "not found" << endl;
}
}
if( userInput == 'b' )
{
cout << "Enter student ID:";
cin >> studentID;
result = binarySearch(studentinfo , numRecords, studentID);
if( result > 0 )
{
showOneRecord( studentinfo[result]);
}
else
{
cout << "not found" << endl;
}
}
if( userInput == 'c' )
{
showRecords(studentinfo, numRecords);
}
return 0;
{
}
// *******************************************************************8***
void showRecords(StudentRecord [], int )
{
for( int i = 0; i < numRecords; i++ )
}
//*****************************************************************************
showOneRecord(records[i]);
{
}
//*********************************************************************************
void showOneRecord(StudentRecord record)
{
count << "ID" << studentinfo.stuID << "Name" << studentinfo.name << "Grade " << studentinfo.grade << endl;
}
//***********************************************************************************
void bubbleSort(StudentRecord [],int)
for ( int end= numRecords -1; end > 0; --end){
for ( int i=0; i<end; ++i){
if (studentinfo [i]> studentinfo[i+1]){
Swap (studentinfo[i],studentinfo[i+1]);
}
}
}
}
//************************************************************************************
int binarySearch(StudentRecord [], int, int)
int Low = 0;
int High = numRecords;
while (Low + 1 < High) {
// Take the average as the test value
int Check = ((Low + High) >> 1);
if (studentinfo[Check] > studentID) {
High = Check;
} else {
Low = Check;
}
}
if (studentinfo[Low] == numRecords) {
return Low;
} else {
return -1;
}
}
//************************************************************************************
int sequentialSearch(StudentRecord [], int, int)
for (int i= 0; i < numRecords; ++i) {
if (studentinfo[i] == studentID) {
return i;
}
}
return -1;
}
}
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