#include<cstdio> #include<iostream> #include<sstream> #include<cmath> #include<algorithm> #include<map> #include<set> #include<list> #include<vector> #include<stack> #include<queue> #include<string> #include<iomanip> #include<fstream> #include<ctime> using namespace std; typedef vector<int> VI; typedef pair <int,int> ii; typedef long long LL; #define pb push_back bool prime(LL x) { if (x == 1) return false; for (LL i=2;i*i<=x;i++) if (x % i == 0) return false; return true; } LL n, k, d1, d2; bool res; int main() { cin >> n; k = 10; res = false; while (true) { d1 = n % k; d2 = n / k; //cout << d1 << " " << d2 << endl; if (d1 == n) { break; } if (d1 >= k / 10 && prime(d1) && prime(d2)) { res = true; break; } k *= 10; } if (res) printf("TAK\n"); else printf("NIE\n"); 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 | #include<cstdio> #include<iostream> #include<sstream> #include<cmath> #include<algorithm> #include<map> #include<set> #include<list> #include<vector> #include<stack> #include<queue> #include<string> #include<iomanip> #include<fstream> #include<ctime> using namespace std; typedef vector<int> VI; typedef pair <int,int> ii; typedef long long LL; #define pb push_back bool prime(LL x) { if (x == 1) return false; for (LL i=2;i*i<=x;i++) if (x % i == 0) return false; return true; } LL n, k, d1, d2; bool res; int main() { cin >> n; k = 10; res = false; while (true) { d1 = n % k; d2 = n / k; //cout << d1 << " " << d2 << endl; if (d1 == n) { break; } if (d1 >= k / 10 && prime(d1) && prime(d2)) { res = true; break; } k *= 10; } if (res) printf("TAK\n"); else printf("NIE\n"); return 0; } |