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c_cpp
a year ago
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#include <iostream> #include <fstream> #include <string> using namespace std; bool isPrime(int a) { if (a <= 1) { return false; } for (int i = 2; i * i <= a; i++) { if (a % i == 0) { return false; } } return true; } int main() { ifstream file("foo.txt"); if (!file.is_open()) { cout << "ERORR" << endl; return 1; } string filename = "foo.txt"; int n, count = 0, primeCount = 0; while (file >> n) { count++; if (isPrime(n)) { primeCount++; } } file.close(); cout << "name faila: " << filename << endl; cout << "kolvo chisel: " << count << endl; cout << "kolvo prostih chisel: " << primeCount << endl; return 0; }
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