please help to with this program by mainly using arrays and pointers ,... i need this program to check 2 matrix files "if they contain any character and if they contain cout<<"invalid"; " and to open them from .txt file
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#include<iostream>
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#include<fstream>
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#include<string>
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#include<cmath>
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using namespace std;
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int main()
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{
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char y, n;
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ifstream file1;
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ifstream file2;
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string filename1;
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string filename2;
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string c;
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int number;
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int choice;
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cout<<"xxxxxxx matrix calculator \n";
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cout<<"please choose from the following menu :\n";
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while(choice!=8&&choice==n)
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{
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cout<<"1. matrix addition\n";
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cout<<"2. matrix subtraction\n";
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cout<<"3. matrix multiplication\n";
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cout<<"4. matrix transpose\n";
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cout<<"5. checking matrix equality\n";
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cout<<"6. check matrix properties\n";
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cout<<"7. matrix power\n";
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cout<<"8. exit\n";
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cout<<"please enter your choice\n";
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cin>>choice;
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while(//condition when there is character)// for the first file and the second one :D
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{
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cout<<"invalid file!!\n";
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cout<<"do you want to continue (y) or return to menu(n)\n";
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/* "y" to continue to try to enter the file name again & "n" to go back to the menu*/
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cin>>choice1;
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if(choice1=='y')
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{
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cout<<"please enter the first filename\n";
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cin>>filename1;
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file1.open(filename1.c_str(),ios::in);
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if(!file1.fail())
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{
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cout<<"good\n";
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break;
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}
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}
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else if(choice1=='n')
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{
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cout<<"assdasdasdad\n";
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break;
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}
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}
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switch(choice)
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{
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case 1 :
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case 2 :
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case 3 :
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case 4 :
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case 5 :
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case 6 :
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case 7 :
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case 8 :
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cout<<"thank you for using my program\n";
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exit(1);
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}
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system ("pause");
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return 0;
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}
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}
