#include <iostream> #include <string> #include <cstdio> #include <cmath> using namespace std; int main() { bool sito[1000000]; int primes[80000]; for (int i = 0; i<1000000; i++) sito[i] = true; int k = 0; sito[0] = false; sito[1] = false; sito[2] = true; for (int i = 2; i<1000000; i++) { if (sito[i]) { primes[k] = i; k++; int j = 2 * i; while (j < 1000000) { sito[j] = false; j += i; } } } k--; string s; cin >> s; bool result = false; for (int i = 1; i<s.length(); i++) { //podział liczby z wejścia long long int a = 0; long long int b = 0; if (s[i] == '0') continue; for (int j = 0; j<i; j++) a += pow(10, i - j - 1)*(s[j] - '0'); for (int j = i; j<s.length(); j++) b += pow(10, s.length() - j - 1)*(s[j] - '0'); bool isAPrime = true; if (a == 1) isAPrime = false; int j = 0; while (primes[j] < sqrt(a) + 1 && a > 3) { if (a % primes[j] == 0) { isAPrime = false; break; } j++; } if (!isAPrime) continue; bool isBPrime = true; if (b == 1) isBPrime = false; j = 0; while (primes[j] < sqrt(b) + 1 && b > 3) { if (b % primes[j] == 0) { isBPrime = false; break; } j++; } if (isAPrime && isBPrime) { result = true; break; } } if (result == true) cout << "TAK" << endl; else cout << "NIE" << endl; }
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 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 | #include <iostream> #include <string> #include <cstdio> #include <cmath> using namespace std; int main() { bool sito[1000000]; int primes[80000]; for (int i = 0; i<1000000; i++) sito[i] = true; int k = 0; sito[0] = false; sito[1] = false; sito[2] = true; for (int i = 2; i<1000000; i++) { if (sito[i]) { primes[k] = i; k++; int j = 2 * i; while (j < 1000000) { sito[j] = false; j += i; } } } k--; string s; cin >> s; bool result = false; for (int i = 1; i<s.length(); i++) { //podział liczby z wejścia long long int a = 0; long long int b = 0; if (s[i] == '0') continue; for (int j = 0; j<i; j++) a += pow(10, i - j - 1)*(s[j] - '0'); for (int j = i; j<s.length(); j++) b += pow(10, s.length() - j - 1)*(s[j] - '0'); bool isAPrime = true; if (a == 1) isAPrime = false; int j = 0; while (primes[j] < sqrt(a) + 1 && a > 3) { if (a % primes[j] == 0) { isAPrime = false; break; } j++; } if (!isAPrime) continue; bool isBPrime = true; if (b == 1) isBPrime = false; j = 0; while (primes[j] < sqrt(b) + 1 && b > 3) { if (b % primes[j] == 0) { isBPrime = false; break; } j++; } if (isAPrime && isBPrime) { result = true; break; } } if (result == true) cout << "TAK" << endl; else cout << "NIE" << endl; } |