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869. 试除法求约数
https://www.acwing.com/problem/content/submission/code_detail/7745986/
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AcWing/869/869.cpp
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24
AcWing/869/869.cpp
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#include <bits/stdc++.h>
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using namespace std;
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int n, a;
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int main() {
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cin >> n;
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while (n--) {
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set<int> ans;
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cin >> a;
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for (int i = 1; i * i <= a; i++) {
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if (a % i == 0) {
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ans.insert(i);
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ans.insert(a / i);
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}
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}
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for (int i : ans) {
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cout << i << ' ';
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}
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cout << endl;
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}
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return 0;
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}
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