#include <cstdio> #include <iostream> #include <algorithm> #include <string> #include <vector> #include <cstring> using namespace std; typedef vector<int> VI; typedef long long LL; typedef pair<int, int> PII; typedef vector<PII> VPII; #define FOR(x, b, e) for (int x = b; x <= (e); ++x) #define FORD(x, b, e) for (int x = b; x >= (e); --x) #define REP(x, n) for (int x = 0; x < (n); ++x) #define VAR(v, n) __typeof(n) v = (n) #define ALL(c) (c).begin(), (c).end() #define SIZE(x) ((int) (x).size()) #define FOREACH(i, c) for (VAR(i, (c).begin()); i != (c).end(); ++i) #define PB push_back #define ST first #define ND second #define MP make_pair #define EB emplace_back #define INF 1000000001 bool IsPrime(const char* buf, int len) { char tmp[16]; memcpy(tmp, buf, len); tmp[len] = '\0'; int d; sscanf(tmp, "%d", &d); if (d < 2) return false; for (int i = 2, i2 = 4; i2 <= d; i2 += 2 * i + 1, ++i) { if (d % i == 0) return false; } return true; } bool Druga(const char* buf) { int l = strlen(buf); for (int i = 1; i < l; ++i) if (buf[i] != '0') { if (IsPrime(buf, i) && IsPrime(buf + i, l - i)) return true; } return false; } int main() { //ios_base::sync_with_stdio(0); char buf[16]; scanf(" %s ", buf); printf(Druga(buf) ? "TAK\n" : "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 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 | #include <cstdio> #include <iostream> #include <algorithm> #include <string> #include <vector> #include <cstring> using namespace std; typedef vector<int> VI; typedef long long LL; typedef pair<int, int> PII; typedef vector<PII> VPII; #define FOR(x, b, e) for (int x = b; x <= (e); ++x) #define FORD(x, b, e) for (int x = b; x >= (e); --x) #define REP(x, n) for (int x = 0; x < (n); ++x) #define VAR(v, n) __typeof(n) v = (n) #define ALL(c) (c).begin(), (c).end() #define SIZE(x) ((int) (x).size()) #define FOREACH(i, c) for (VAR(i, (c).begin()); i != (c).end(); ++i) #define PB push_back #define ST first #define ND second #define MP make_pair #define EB emplace_back #define INF 1000000001 bool IsPrime(const char* buf, int len) { char tmp[16]; memcpy(tmp, buf, len); tmp[len] = '\0'; int d; sscanf(tmp, "%d", &d); if (d < 2) return false; for (int i = 2, i2 = 4; i2 <= d; i2 += 2 * i + 1, ++i) { if (d % i == 0) return false; } return true; } bool Druga(const char* buf) { int l = strlen(buf); for (int i = 1; i < l; ++i) if (buf[i] != '0') { if (IsPrime(buf, i) && IsPrime(buf + i, l - i)) return true; } return false; } int main() { //ios_base::sync_with_stdio(0); char buf[16]; scanf(" %s ", buf); printf(Druga(buf) ? "TAK\n" : "NIE\n"); return 0; } |