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23 lines
364 B
C++
23 lines
364 B
C++
#include <bits/stdc++.h>
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using namespace std;
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int n, l, x, ans;
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set<int> s;
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int main() {
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cin >> n;
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for (int i = 1; i <= n; i++) {
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cin >> x;
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auto it = s.upper_bound(x);
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if (it == s.end()) {
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ans++;
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} else {
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s.erase(*it);
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}
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s.insert(x);
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}
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cout << ans << endl;
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return 0;
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}
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