#include <bits/stdc++.h> using namespace std; template <typename T> T load() { T r; cin >> r; return r; } bool isPrimeNaive(long long n) { for (auto i=2ll; i*i<=n; ++i) if (n % i == 0) return false; return true; } bool isSecond(long long n) { for (auto base = 10ll; base < n; base *= 10) { auto firstRightDigit = (n % base) * 10 / base; if (firstRightDigit == 0) continue; auto left = n / base; auto right = n % base; if (isPrimeNaive(left) and isPrimeNaive(right)) return true; } return false; } int main() { ios::sync_with_stdio(false); cin.tie(nullptr); auto n = load<long long>(); auto result = isSecond(n); cout << (result ? "TAK" : "NIE") << '\n'; }
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 | #include <bits/stdc++.h> using namespace std; template <typename T> T load() { T r; cin >> r; return r; } bool isPrimeNaive(long long n) { for (auto i=2ll; i*i<=n; ++i) if (n % i == 0) return false; return true; } bool isSecond(long long n) { for (auto base = 10ll; base < n; base *= 10) { auto firstRightDigit = (n % base) * 10 / base; if (firstRightDigit == 0) continue; auto left = n / base; auto right = n % base; if (isPrimeNaive(left) and isPrimeNaive(right)) return true; } return false; } int main() { ios::sync_with_stdio(false); cin.tie(nullptr); auto n = load<long long>(); auto result = isSecond(n); cout << (result ? "TAK" : "NIE") << '\n'; } |