C++ check if cin didn't get int

while (std::cout << "Enter a number" && !(std::cin >> num)) {
    std::cin.clear(); //clear bad input flag
    std::cin.ignore(std::numeric_limits<std::streamsize>::max(), '\n'); //discard input
    std::cout << "Invalid input; please re-enter.\n";
}

Similar codes

0 vote167 views1 answer
The program must enter a natural number n from the console and find the number previous to n that is not divisible by 2 , 3 and 5 .
C++
1 vote166 views1 answer
Cuda dim3
C++
0 vote187 views1 answer
Play audio c++
C++
0 vote143 views1 answer
Modify file CPP
C++
1 vote161 views1 answer
Qt qmessagebox
C++
1 vote165 views1 answer
C++ hide cursor
C++
3 votes177 views1 answer
C++ string initialization
C++
0 vote161 views1 answer
C is widely used for systems-level software and embedded systems development.
C++
1 vote172 views1 answer
C++ array interator
C++
0 vote164 views1 answer
The smallest element from three
C++