#include <iostream> #include <cstring> #include <sstream> bool is_prime(unsigned long long x) { if (x <= 1) { return false; } for(unsigned long long i = 2; i*i <= x; ++i) { if (x % i == 0) { return false; } } return true; } int main() { std::string s; std::cin >> s; for(std::uint8_t i = 1; i < s.size(); ++i) { auto check = [](std::string value) { unsigned long long as_int = std::atoll(value.c_str()); std::ostringstream ss; ss << as_int; if (ss.str() != value) { return false; } return is_prime(as_int); }; auto a = s.substr(0, i); auto b = s.substr(i); if (check(a) and check(b)) { std::cout << "TAK" << std::endl; return 0; } } std::cout << "NIE" << std::endl; 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 | #include <iostream> #include <cstring> #include <sstream> bool is_prime(unsigned long long x) { if (x <= 1) { return false; } for(unsigned long long i = 2; i*i <= x; ++i) { if (x % i == 0) { return false; } } return true; } int main() { std::string s; std::cin >> s; for(std::uint8_t i = 1; i < s.size(); ++i) { auto check = [](std::string value) { unsigned long long as_int = std::atoll(value.c_str()); std::ostringstream ss; ss << as_int; if (ss.str() != value) { return false; } return is_prime(as_int); }; auto a = s.substr(0, i); auto b = s.substr(i); if (check(a) and check(b)) { std::cout << "TAK" << std::endl; return 0; } } std::cout << "NIE" << std::endl; return 0; } |