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fast way to check if a number is prime C++ Code Example
fast way to check if a number is prime C++ 
//O(sqrt(n))
bool isPrime(int num){
    if(num <= 1) return false;
    for(int i = 2; i <= sqrt(num); i++){
          if(num % i == 0) return false;
    }
    return true;
}
Source: stackoverflow.com



Cpp

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Category:
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Sub Category:
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