#include <bits/stdc++.h>
using namespace std;
const int N = 1e6 + 5;
typedef long long ll;
int n, a[N], ans, lst;
set<pair<int, int>> st;
bool us;
int main() {
// freopen("money.in", "r", stdin);
// freopen("money.out", "w", stdout);
ios_base::sync_with_stdio(0);
cin.tie(0);
cin >> n;
for (int i = 1; i <= n; i++) {
cin >> a[i];
}
for (int i = 1; i <= n; i++) {
st.insert({a[i], i});
if (lst == a[i]) {
if (us)
st.erase({a[i], i});
continue;
}
us = 0;
lst = a[i];
auto id = st.find({a[i], i});
if (id == st.begin()) {
ans++;
continue;
}
id--;
if ((*id).second == i - 1) {
continue;
}
id = st.lower_bound({a[i], -1});
if (id == st.begin()) {
ans++;
continue;
}
id--;
if ((*id).second == i - 1) {
us = 1;
st.erase({a[i], i});
continue;
}
ans++;
}
cout << ans;
}
/**
6
1 5 2 5 5 6
**/
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
6084 KB |
Output is correct |
2 |
Correct |
0 ms |
6084 KB |
Output is correct |
3 |
Correct |
0 ms |
6084 KB |
Output is correct |
4 |
Correct |
0 ms |
6084 KB |
Output is correct |
5 |
Correct |
0 ms |
6084 KB |
Output is correct |
6 |
Correct |
0 ms |
6084 KB |
Output is correct |
7 |
Correct |
0 ms |
6084 KB |
Output is correct |
8 |
Correct |
0 ms |
6084 KB |
Output is correct |
9 |
Correct |
0 ms |
6084 KB |
Output is correct |
10 |
Correct |
0 ms |
6084 KB |
Output is correct |
11 |
Correct |
0 ms |
6084 KB |
Output is correct |
12 |
Correct |
0 ms |
6084 KB |
Output is correct |
13 |
Correct |
0 ms |
6084 KB |
Output is correct |
14 |
Correct |
0 ms |
6084 KB |
Output is correct |
15 |
Correct |
0 ms |
6084 KB |
Output is correct |
16 |
Correct |
0 ms |
6084 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
6084 KB |
Output is correct |
2 |
Correct |
0 ms |
6084 KB |
Output is correct |
3 |
Correct |
0 ms |
6084 KB |
Output is correct |
4 |
Correct |
0 ms |
6084 KB |
Output is correct |
5 |
Correct |
0 ms |
6084 KB |
Output is correct |
6 |
Correct |
0 ms |
6084 KB |
Output is correct |
7 |
Correct |
0 ms |
6084 KB |
Output is correct |
8 |
Correct |
0 ms |
6084 KB |
Output is correct |
9 |
Correct |
0 ms |
6084 KB |
Output is correct |
10 |
Correct |
0 ms |
6084 KB |
Output is correct |
11 |
Correct |
0 ms |
6084 KB |
Output is correct |
12 |
Correct |
0 ms |
6084 KB |
Output is correct |
13 |
Correct |
0 ms |
6084 KB |
Output is correct |
14 |
Correct |
0 ms |
6084 KB |
Output is correct |
15 |
Correct |
0 ms |
6084 KB |
Output is correct |
16 |
Correct |
0 ms |
6084 KB |
Output is correct |
17 |
Correct |
0 ms |
6084 KB |
Output is correct |
18 |
Correct |
0 ms |
6084 KB |
Output is correct |
19 |
Correct |
0 ms |
6084 KB |
Output is correct |
20 |
Correct |
0 ms |
6084 KB |
Output is correct |
21 |
Correct |
0 ms |
6084 KB |
Output is correct |
22 |
Correct |
0 ms |
6084 KB |
Output is correct |
23 |
Correct |
0 ms |
6084 KB |
Output is correct |
24 |
Correct |
0 ms |
6084 KB |
Output is correct |
25 |
Correct |
0 ms |
6084 KB |
Output is correct |
26 |
Correct |
0 ms |
6084 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
6084 KB |
Output is correct |
2 |
Correct |
0 ms |
6084 KB |
Output is correct |
3 |
Correct |
0 ms |
6084 KB |
Output is correct |
4 |
Correct |
0 ms |
6084 KB |
Output is correct |
5 |
Correct |
0 ms |
6084 KB |
Output is correct |
6 |
Correct |
0 ms |
6084 KB |
Output is correct |
7 |
Correct |
0 ms |
6084 KB |
Output is correct |
8 |
Correct |
0 ms |
6084 KB |
Output is correct |
9 |
Correct |
0 ms |
6084 KB |
Output is correct |
10 |
Correct |
0 ms |
6084 KB |
Output is correct |
11 |
Correct |
0 ms |
6084 KB |
Output is correct |
12 |
Correct |
0 ms |
6084 KB |
Output is correct |
13 |
Correct |
0 ms |
6084 KB |
Output is correct |
14 |
Correct |
0 ms |
6084 KB |
Output is correct |
15 |
Correct |
0 ms |
6084 KB |
Output is correct |
16 |
Correct |
0 ms |
6084 KB |
Output is correct |
17 |
Correct |
0 ms |
6084 KB |
Output is correct |
18 |
Correct |
0 ms |
6084 KB |
Output is correct |
19 |
Correct |
0 ms |
6084 KB |
Output is correct |
20 |
Correct |
0 ms |
6084 KB |
Output is correct |
21 |
Correct |
0 ms |
6084 KB |
Output is correct |
22 |
Correct |
0 ms |
6084 KB |
Output is correct |
23 |
Correct |
0 ms |
6084 KB |
Output is correct |
24 |
Correct |
0 ms |
6084 KB |
Output is correct |
25 |
Correct |
0 ms |
6084 KB |
Output is correct |
26 |
Correct |
0 ms |
6084 KB |
Output is correct |
27 |
Correct |
0 ms |
6084 KB |
Output is correct |
28 |
Correct |
0 ms |
6084 KB |
Output is correct |
29 |
Correct |
0 ms |
6084 KB |
Output is correct |
30 |
Correct |
0 ms |
6084 KB |
Output is correct |
31 |
Correct |
0 ms |
6084 KB |
Output is correct |
32 |
Correct |
0 ms |
6084 KB |
Output is correct |
33 |
Correct |
0 ms |
6084 KB |
Output is correct |
34 |
Correct |
0 ms |
6084 KB |
Output is correct |
35 |
Correct |
0 ms |
6084 KB |
Output is correct |
36 |
Correct |
0 ms |
6084 KB |
Output is correct |
37 |
Correct |
0 ms |
6084 KB |
Output is correct |
38 |
Correct |
0 ms |
6084 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
6084 KB |
Output is correct |
2 |
Correct |
0 ms |
6084 KB |
Output is correct |
3 |
Correct |
0 ms |
6084 KB |
Output is correct |
4 |
Correct |
0 ms |
6084 KB |
Output is correct |
5 |
Correct |
0 ms |
6084 KB |
Output is correct |
6 |
Correct |
0 ms |
6084 KB |
Output is correct |
7 |
Correct |
0 ms |
6084 KB |
Output is correct |
8 |
Correct |
0 ms |
6084 KB |
Output is correct |
9 |
Correct |
0 ms |
6084 KB |
Output is correct |
10 |
Correct |
0 ms |
6084 KB |
Output is correct |
11 |
Correct |
0 ms |
6084 KB |
Output is correct |
12 |
Correct |
0 ms |
6084 KB |
Output is correct |
13 |
Correct |
0 ms |
6084 KB |
Output is correct |
14 |
Correct |
0 ms |
6084 KB |
Output is correct |
15 |
Correct |
0 ms |
6084 KB |
Output is correct |
16 |
Correct |
0 ms |
6084 KB |
Output is correct |
17 |
Correct |
0 ms |
6084 KB |
Output is correct |
18 |
Correct |
0 ms |
6084 KB |
Output is correct |
19 |
Correct |
0 ms |
6084 KB |
Output is correct |
20 |
Correct |
0 ms |
6084 KB |
Output is correct |
21 |
Correct |
0 ms |
6084 KB |
Output is correct |
22 |
Correct |
0 ms |
6084 KB |
Output is correct |
23 |
Correct |
0 ms |
6084 KB |
Output is correct |
24 |
Correct |
0 ms |
6084 KB |
Output is correct |
25 |
Correct |
0 ms |
6084 KB |
Output is correct |
26 |
Correct |
0 ms |
6084 KB |
Output is correct |
27 |
Correct |
0 ms |
6084 KB |
Output is correct |
28 |
Correct |
0 ms |
6084 KB |
Output is correct |
29 |
Correct |
0 ms |
6084 KB |
Output is correct |
30 |
Correct |
0 ms |
6084 KB |
Output is correct |
31 |
Correct |
0 ms |
6084 KB |
Output is correct |
32 |
Correct |
0 ms |
6084 KB |
Output is correct |
33 |
Correct |
0 ms |
6084 KB |
Output is correct |
34 |
Correct |
0 ms |
6084 KB |
Output is correct |
35 |
Correct |
0 ms |
6084 KB |
Output is correct |
36 |
Correct |
0 ms |
6084 KB |
Output is correct |
37 |
Correct |
0 ms |
6084 KB |
Output is correct |
38 |
Correct |
0 ms |
6084 KB |
Output is correct |
39 |
Correct |
306 ms |
24828 KB |
Output is correct |
40 |
Correct |
616 ms |
40008 KB |
Output is correct |
41 |
Correct |
209 ms |
20604 KB |
Output is correct |
42 |
Correct |
243 ms |
21132 KB |
Output is correct |
43 |
Correct |
179 ms |
16644 KB |
Output is correct |
44 |
Correct |
713 ms |
47664 KB |
Output is correct |
45 |
Correct |
643 ms |
46212 KB |
Output is correct |
46 |
Correct |
696 ms |
47664 KB |
Output is correct |
47 |
Correct |
816 ms |
29448 KB |
Output is correct |
48 |
Correct |
543 ms |
41196 KB |
Output is correct |
49 |
Correct |
1236 ms |
48984 KB |
Output is correct |
50 |
Correct |
1126 ms |
47004 KB |
Output is correct |
51 |
Correct |
1186 ms |
49908 KB |
Output is correct |
52 |
Correct |
1133 ms |
47004 KB |
Output is correct |
53 |
Correct |
1213 ms |
48192 KB |
Output is correct |
54 |
Correct |
1256 ms |
47136 KB |
Output is correct |
55 |
Execution timed out |
1500 ms |
52944 KB |
Execution timed out |
56 |
Halted |
0 ms |
0 KB |
- |