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32 lines
542 B
C++
32 lines
542 B
C++
#include <bits/stdc++.h>
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#define int long long
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#define endl "\n"
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#define IMX LONG_LONG_MAX
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#define IMN LONG_LONG_MIN
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#define debug$ if(dev)
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using namespace std;
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/* toothless. #17 */
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const int N = 1e7 + 10;
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const int M = 2e3 + 5;
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const bool dev = false;
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int n;
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int a[N];
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map<int, bool> mp;
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signed main()
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{
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cin >> n;
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for (int i = 1; i <= n; i ++ ) {
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cin >> a[i];
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}
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for (int i = 1; i <= n; i ++ ) {
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if (!mp[a[i]]) {
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cout << a[i] << " ";
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mp[a[i]] = true;
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}
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}
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return 0;
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} |