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  2. C++
  3. Debugging
  4. Cpp exception handling
  5. Discussions

Cpp exception handling

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66 Discussions

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  • sezzaldiin0
     + 0 comments
    void process_input(int n) {
      try {
        int d = largest_proper_divisor(n);
        cout << "result=" << d << endl;
    }
    catch (const invalid_argument& e) {
        cout << e.what() << endl;
    }
    cout << "returning control flow to caller" << endl;
}

  • wzijian
     + 0 comments
    void process_input(int n) {
    try{
        int d = largest_proper_divisor(n);
        cout << "result=" << d << endl;
    }catch( invalid_argument& e){
        cout << e.what() << endl;
    }
    cout << "returning control flow to caller";
}

  • doug88
     + 0 comments

    Why is this considered "Medium" difficulty?

  • mohammadtasinspj
     + 0 comments
    #include <iostream>
#include <stdexcept>

using namespace std;

int largest_proper_divisor(int n) {
        if (n == 0) {
                throw invalid_argument("largest proper divisor is not defined for n=0");
        }
        if (n == 1) {
                throw invalid_argument("largest proper divisor is not defined for n=1");
        }
        for (int i = n/2; i >= 1; --i) {
                if (n % i == 0) {
                        return i;
                }
        }
        return -1; // will never happen
}

void process_input(int n) {
        try
        {
                if(n==0 || n==1)
                        throw invalid_argument("largest proper divisor is not defined for n=");
                else{
                         int d = largest_proper_divisor(n);
                        cout << "result=" << d << endl;
                } 


        }
        catch(const std::invalid_argument& e)
        {
                cout<<e.what()<<n<<endl;
        }
        cout << "returning control flow to caller";

}


int main() {
        int n;
        cin >> n;
        process_input(n);
        return 0;
}

  • jonahbtaylor05
     + 0 comments

    Easy money.

    #include <iostream>
#include <stdexcept>

using namespace std;

int largest_proper_divisor(int n) {
    if (n == 0) {
        throw invalid_argument("largest proper divisor is not defined for n=0");
    }
    if (n == 1) {
        throw invalid_argument("largest proper divisor is not defined for n=1");
    }
    for (int i = n/2; i >= 1; --i) {
        if (n % i == 0) {
            return i;
        }
    }
    return -1; // will never happen
}

void process_input(int& n) {
    try {
        int d = largest_proper_divisor(n);
        cout << "result=" << d << endl;
    } catch (const std::invalid_argument& e) {
        cout << e.what() << endl;
    }
    cout << "returning control flow to caller" << endl;
}


int main() {
    int n;
    cin >> n;
    process_input(n);
    return 0;
}