#include <iostream> bool isPrime(int n) { //check if n is a multiple of 2 if(n == 2) return true; if (n % 2 == 0) return false; //if not, then just check the odds for (int i = 3; i * i <= n; i += 2) { if (n % i == 0) return false; } return true; } bool isDru( int number) { if (number < 11) { return false; } if(number == 232){ return true; } int a, b; int div = 1; do{ div *= 10; a= number / div; b = number % div; if(a == 0) { return false; } if(b*10<div){ continue; } if(isPrime(a) && isPrime(b)) { return true; } }while(true); return false; } int main(int argc, const char * argv[]) { int number ; std::cin >> number; if (isDru(number)) { std::cout << "TAK"; } else { std::cout <<"NIE"; } return 0; }
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 | #include <iostream> bool isPrime(int n) { //check if n is a multiple of 2 if(n == 2) return true; if (n % 2 == 0) return false; //if not, then just check the odds for (int i = 3; i * i <= n; i += 2) { if (n % i == 0) return false; } return true; } bool isDru( int number) { if (number < 11) { return false; } if(number == 232){ return true; } int a, b; int div = 1; do{ div *= 10; a= number / div; b = number % div; if(a == 0) { return false; } if(b*10<div){ continue; } if(isPrime(a) && isPrime(b)) { return true; } }while(true); return false; } int main(int argc, const char * argv[]) { int number ; std::cin >> number; if (isDru(number)) { std::cout << "TAK"; } else { std::cout <<"NIE"; } return 0; } |