Everytime i run my program after i enter my first value for the number of students, i get the windows box that pops up and says studens.exe has encountered a problem and needs to close. Is this a problem with my cose of a computer problem? thanks
#include <iostream> // allows the program to output data to the screen
#include <conio.h>
#include <iomanip>
#include <cstdlib>
#include <string>
#include <vector>
#include <algorithm>
#include <numeric>
#include "students.h" // gradebook class defintion
using std::cout; // program uses cout
using std::cin; // program uses cin
using std::endl; // program uses endl
using std::setprecision; // set numeric output precision
using std::fixed; // ensures that decimal point is displayed
using std::setw;
using std::string;
using std::vector;
void students::displayMessage()
{
cout << endl << "Welcome to the Student Scores Application." << endl << endl;
}
void students::getData()
{
int num = 1;
int num2 = 1;
int num3 = 1;
int numStudents = 0;
vector<string> student_lastnames(numStudents);
vector<string> student_firstnames(numStudents);
vector<int> student_score(numStudents);
cout <<"Enter number of students to enter: ";
cin >> numStudents;
for (int i = 0; i <= student_lastnames.size(); i++)
{
cout << "Student " << num <<" last name: ";
getline (cin, student_lastnames[i]);
num++;
}
for (int j = 0; j <= student_firstnames.size(); j++)
{
cout << "Student " << num2 <<" first name: ";
getline (cin, student_firstnames[j]);
num2++;
}
for (int k = 0; k <= student_score.size(); k++)
{
cout << "Student " << num3 <<" score: ";
cin >> student_score[k];
num3++;
}
// sort them alphabetically
sort (student_lastnames.begin(), student_lastnames.end());
for (int l =0; l <= student_lastnames.size(); l++)
{
cout << student_lastnames[l] << "" << student_firstnames[l] << "" << student_score[l];
}
}
// function main begins program exectuion
int main()
{
students mystudent;
mystudent.displayMessage();
mystudent.getData();
}
#include <iostream> // allows the program to output data to the screen
#include <string>
// students class definition
class students
{
public:
void getData(); // function to get first and last name and the students grade
void displayMessage(); // displays welcome message
private:
};