#include <bits/stdc++.h> using namespace std; bool isPrime(long long n) { if (n <= 2) { return n == 2; } if (n % 2 == 0) { return false; } for (int i = 3; i*i <= n; i += 2) { if (n % i == 0) { return false; } } return true; } int main() { string n; cin >> n; for (int i = 0; i < n.size(); i++) { string left = n.substr(0, i), right = n.substr(i); if (left.empty() || right.empty() || right[0] == '0') { continue; } stringstream leftStream(left), rightStream(right); long long leftNum, rightNum; leftStream >> leftNum; rightStream >> rightNum; if (isPrime(leftNum) && isPrime(rightNum)) { cout << "TAK" << endl; return 0; } } cout << "NIE" << 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 | #include <bits/stdc++.h> using namespace std; bool isPrime(long long n) { if (n <= 2) { return n == 2; } if (n % 2 == 0) { return false; } for (int i = 3; i*i <= n; i += 2) { if (n % i == 0) { return false; } } return true; } int main() { string n; cin >> n; for (int i = 0; i < n.size(); i++) { string left = n.substr(0, i), right = n.substr(i); if (left.empty() || right.empty() || right[0] == '0') { continue; } stringstream leftStream(left), rightStream(right); long long leftNum, rightNum; leftStream >> leftNum; rightStream >> rightNum; if (isPrime(leftNum) && isPrime(rightNum)) { cout << "TAK" << endl; return 0; } } cout << "NIE" << endl; return 0; } |