#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; } |
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