#include <bits/stdc++.h>
using namespace std;
int main() {
int n;
cin >> n;
multiset <int> s;
for (int i = 0; i < n; i++) {
int x;
cin >> x;
if (s.find(x+1) != s.end()) {
s.erase(s.find(x+1));
s.insert(x);
} else {
s.insert(x);
}
}
cout << (int)s.size() << '\n';
}
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
2 ms |
340 KB |
Output is correct |
2 |
Correct |
1 ms |
336 KB |
Output is correct |
3 |
Correct |
2 ms |
336 KB |
Output is correct |
4 |
Correct |
3 ms |
336 KB |
Output is correct |
5 |
Correct |
249 ms |
3916 KB |
Output is correct |
6 |
Correct |
288 ms |
3912 KB |
Output is correct |
7 |
Correct |
238 ms |
3344 KB |
Output is correct |
8 |
Correct |
250 ms |
3144 KB |
Output is correct |
9 |
Correct |
277 ms |
3656 KB |
Output is correct |
10 |
Correct |
292 ms |
3656 KB |
Output is correct |