#include <bits/stdc++.h> using namespace std; #define PB push_back #define FORE(i, t) for(__typeof(t.begin())i=t.begin();i!=t.end();++i) #define SZ(x) int((x).size()) #define REP(i, n) for(int i=0,_=(n);i<_;++i) #define FOR(i, a, b) for(int i=(a),_=(b);i<=_;++i) #define FORD(i, a, b) for(int i=(a),_=(b);i>=_;--i) #ifdef DEBUG #define DEB(x) (cerr << x) #else #define DEB(x) #endif typedef long long ll; typedef vector<int> vi; typedef pair<int, int> pii; const int INF = 1e9 + 9; bool is_prime(ll x) { if (x < 2) { return false; } for (ll i = 2; i * i <= x; ++i) { if (x % i == 0) { return false; } } return true; } bool is_double_prime(string s) { FOR (i, 1, SZ(s) - 1) { if (s[i] == '0') { continue; } ll a = stoll(string(s.begin(), s.begin() + i)); ll b = stoll(string(s.begin() + i, s.end())); DEB(a << " " << b << "\n"); if (a > b) { swap(a, b); } if (is_prime(a) && is_prime(b)) { return true; } } return false; } void inline one() { string n; cin >> n; cout << (is_double_prime(n) ? "TAK" : "NIE") << "\n"; } int main() { ios::sync_with_stdio(false); //int z; cin >> z; while(z--) one(); }
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 | #include <bits/stdc++.h> using namespace std; #define PB push_back #define FORE(i, t) for(__typeof(t.begin())i=t.begin();i!=t.end();++i) #define SZ(x) int((x).size()) #define REP(i, n) for(int i=0,_=(n);i<_;++i) #define FOR(i, a, b) for(int i=(a),_=(b);i<=_;++i) #define FORD(i, a, b) for(int i=(a),_=(b);i>=_;--i) #ifdef DEBUG #define DEB(x) (cerr << x) #else #define DEB(x) #endif typedef long long ll; typedef vector<int> vi; typedef pair<int, int> pii; const int INF = 1e9 + 9; bool is_prime(ll x) { if (x < 2) { return false; } for (ll i = 2; i * i <= x; ++i) { if (x % i == 0) { return false; } } return true; } bool is_double_prime(string s) { FOR (i, 1, SZ(s) - 1) { if (s[i] == '0') { continue; } ll a = stoll(string(s.begin(), s.begin() + i)); ll b = stoll(string(s.begin() + i, s.end())); DEB(a << " " << b << "\n"); if (a > b) { swap(a, b); } if (is_prime(a) && is_prime(b)) { return true; } } return false; } void inline one() { string n; cin >> n; cout << (is_double_prime(n) ? "TAK" : "NIE") << "\n"; } int main() { ios::sync_with_stdio(false); //int z; cin >> z; while(z--) one(); } |