/* Challenge from: https://www.sololearn.com/learn/13549/?ref=app Input a number and an operator and the program will be begin. (ex: 10 +) This program will generate 2 integers, and their digits would be the number you input. Do not input too big. You know how the computer work, right? :) */ #include #include using namespace std; int main() { srand(time(NULL)); long long int a=0; long long int b=0; long long int result=0; int digit=0; char op; cin >> digit >> op; try { if (digit>0) { for(long long int i=1, x=1 ; i<=digit ; i++, x*=10) { a+= rand()%10 * x; b+= rand()%10 * x; } } else if(digit<0) { for(int i=-1, x=1 ; i>=digit ; i--, x*=10) { a-= rand()%10 * x; b-= rand()%10 * x; } } else { throw 0; } cout << "You inputed " << digit << " digit.\n"; cout << "Now you got 2 numbers:\n"; cout << a << "\nand\n" << b << '\n'; cout << "Operation: "; switch(op) { case '+': cout << "addition"; result=a+b; break; case '-': cout << "substraction"; result=a-b; break; case '*': cout << "multiplication"; result=a*b; break; case '/': cout << "divition"; result = a/b; break; default: throw 1; } cout << "\nResult: " << result; } catch (int i) { switch(i) { case 0:cout << "Wait that's illegal."; case 1:cout << "Invalid operator"; } } return 0; }

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