RosettaCodeData/Task/Pernicious-numbers/C++/pernicious-numbers.cpp

60 lines
1.3 KiB
C++

#include <iostream>
using namespace std;
int main() {
int cnt = 0, cnt2, cnt3, tmp, binary[8];
for (int i = 3; cnt < 25; i++) {
tmp = i;
cnt2 = 0;
cnt3 = 0;
for (int j = 7; j > 0; j--) {
binary[j] = tmp % 2;
tmp /= 2;
}
binary[0] = tmp;
for (int j = 0; j < 8; j++) {
if (binary[j] == 1) {
cnt2++;
}
}
for (int j = 2; j <= (cnt2 / 2); j++) {
if (cnt2 % j == 0) {
cnt3++;
break;
}
}
if (cnt3 == 0 && cnt2 != 1) {
cout << i << endl;
cnt++;
}
}
cout << endl;
int binary2[31];
for (int i = 888888877; i <= 888888888; i++) {
tmp = i;
cnt2 = 0;
cnt3 = 0;
for (int j = 30; j > 0; j--) {
binary2[j] = tmp % 2;
tmp /= 2;
}
binary2[0] = tmp;
for (int j = 0; j < 31; j++) {
if (binary2[j] == 1) {
cnt2++;
}
}
for (int j = 2; j <= (cnt2 / 2); j++) {
if (cnt2 % j == 0) {
cnt3++;
break;
}
}
if (cnt3 == 0 && cnt2 != 1) {
cout << i << endl;
}
}
}