C / C++ / MFC

#include <iostream>
#include <vector>
#include <unistd.h>
using namespace std;

int main() {
    try{
    char *p = new char[44'321'833'923];
    
     if (!p) {
        cout << "memory allocation failed";
        exit(1);
        
    }
    
    }
    catch(exception&e)
    {
        cout << "caught it." << e.what();
        exit(1);
    }
    catch (...)
    {
        cout << "caught exception;";
        exit(1);
    }
    
 
	return 0;
}

read_4_bytes("file", 0); // filename, offset and end.

#include <iostream>
using namespace std;

int main() {
    try {
        int a = 0;
        int x = 5 / a;
    }
    catch (exception e)
    {
        cout << e.what() << endl;
    }
    catch (...)
    {
        cout << "caught ..." << endl;
    }

}

#include <iostream>
#include <fstream>
using namespace std;

int main() {

    //add code below this line

    string path = "student/text/readpractice.txt";

    try {
        ifstream file;
        file.open(path); //content of file goes into memory buffer
        if (!file) {
            throw runtime_error("File failed to open.");
        }
        cout << file.rdbuf(); //read the buffered content
        file.close();
    }

    catch (exception& e) {
        cerr << e.what() << endl;
    }

    //add code above this line

    return 0;

}

if (!file) {

#include <iostream>
#include <io.h>
#include <fcntl.h>
using namespace std;

int main() {
    _setmode(_fileno(stdout), _O_U16TEXT);
    cout << "\u0394\u03AD\u03BB\u03C4\u03B1" << endl;
    return 0;
}