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Problem 91

Medium

1 · Worked examples

0 / 3

Type an input and write what you think is the output . Each problem is converted to Web Assembly, so any possible input will show the corresponding output. Only correct predictions count.

solution()
returns

2 · Which problem is it?

Locked until you have predicted 3 outputs correctly.

The accepted solution

1int solution(const vector<int>& nums) {
2
3 vector<int> ends;
4
5 for (int x : nums) {
6
7 auto slot = lower_bound(ends.begin(), ends.end(), x);
8
9 if (slot == ends.end()) {
10 ends.push_back(x);
11 } else {
12 *slot = x;
13 }
14 }
15
16 return ends.size();
17}

Names have been stripped. The signature is the only clue you get for free. Compiled as C++20 with the standard headers and using namespace std; already in scope.