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26 lines
477 B
26 lines
477 B
#include <bits/stdc++.h>
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using namespace std;
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bool is_octal_palindrome(int n) {
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string s1 = "";
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while (n) {
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s1 += to_string(n % 8);
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n /= 8;
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}
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string s2 = s1;
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reverse(s2.begin(), s2.end());
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return s1 == s2;
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}
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int main() {
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int n;
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cin >> n;
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int s = (int)sqrt(n);
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for (int i = 1; i <= s; i++) {
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int s2 = i * i;
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if (is_octal_palindrome(s2)) cout << s2 << " ";
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}
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return 0;
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}
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