#include <bits/stdc++.h>
using namespace std;
int main() {
int n, q; cin >> n >> q;
int cnt = 0;
set<int> passed;
for (int i = 0; i < q; ++i) {
int x; cin >> x;
int sz = passed.size();
passed.insert(x);
if (sz == passed.size()) {
passed = set<int>();
passed.insert(x);
cnt++;
}
}
cout << cnt;
return 0;
}
# | Verdict | Execution time | Memory | Grader output |
---|
Fetching results... |
# | Verdict | Execution time | Memory | Grader output |
---|
Fetching results... |
# | Verdict | Execution time | Memory | Grader output |
---|
Fetching results... |
# | Verdict | Execution time | Memory | Grader output |
---|
Fetching results... |