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“cin.fail()” Code Answer
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cin.fail()
cpp by
Kamyab Rouhifar
on Mar 19 2020
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#include <iostream> using namespace std; int main() { int number; do{ cin >> number; if(cin.fail()) cout << "Not a number " << endl; }while(!cin.fail()); cout << "number is " << number << endl; system("pause"); return 0; }
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