30 lines
493 B
C++
30 lines
493 B
C++
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#include <bits/stdc++.h>
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using namespace std;
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//是不是同构数
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bool isTongGou(int n) {
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int a = n * n;
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bool res = true;
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while (n) {
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int b = n % 10;
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n /= 10;
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int c = a % 10;
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a /= 10;
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if (b != c) {
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res = false;
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break;
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}
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}
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return res;
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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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for (int i = 1; i <= n; i++)
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if (isTongGou(i)) cout << i << " ";
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return 0;
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}
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