/*
doing virtual contest
start: 10:00
finish: 14:00
*/
#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
typedef long double ld;
vector<int> countScans(vector<int> a, vector<int> x, vector<int> v) {
int n = (int)a.size(), q = (int)x.size();
vector<int> all;
for (int i = 0; i < n; ++i) all.push_back(a[i]);
for (int i = 0; i < q; ++i) all.push_back(v[i]);
sort(all.begin(), all.end());
all.erase(unique(all.begin(), all.end()), all.end());
for (int i = 0; i < n; ++i) a[i] = lower_bound(all.begin(), all.end(), a[i]) - all.begin();
for (int i = 0; i < q; ++i) v[i] = lower_bound(all.begin(), all.end(), v[i]) - all.begin();
vector<set<int>> st((int)all.size());
for (int i = 0; i < n; ++i) st[a[i]].insert(i);
vector<int> s;
for (int j = 0; j < q; ++j) {
st[a[x[j]]].erase(x[j]);
a[x[j]] = v[j];
st[v[j]].insert(x[j]);
int cnt = 0, ans = 0;
for (int i = 0; i < (int)all.size(); ++i) {
if (!st[i].empty()) ans = max(ans, *st[i].rbegin() - cnt - (int)st[i].size() + 1);
cnt += (int)st[i].size();
}
s.push_back(ans);
}
return s;
}
#ifdef LOCAL
int main() {
freopen("input.txt", "r", stdin);
ios::sync_with_stdio(false);
cin.tie(0);
int n, q;
cin >> n >> q;
vector<int> a(n);
for (int i = 0; i < n; ++i) cin >> a[i];
vector<int> x(q), v(q);
for (int i = 0; i < q; ++i) cin >> x[i] >> v[i];
auto s = countScans(a, x, v);
for (int i = 0; i < q; ++i) cout << s[i] << '\n';
return 0;
}
#endif
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
4 ms |
364 KB |
Output is correct |
2 |
Correct |
10 ms |
492 KB |
Output is correct |
3 |
Correct |
52 ms |
748 KB |
Output is correct |
4 |
Correct |
53 ms |
748 KB |
Output is correct |
5 |
Correct |
51 ms |
768 KB |
Output is correct |
6 |
Correct |
45 ms |
748 KB |
Output is correct |
7 |
Correct |
47 ms |
876 KB |
Output is correct |
8 |
Correct |
49 ms |
748 KB |
Output is correct |
9 |
Correct |
52 ms |
748 KB |
Output is correct |
10 |
Correct |
36 ms |
620 KB |
Output is correct |
11 |
Correct |
36 ms |
620 KB |
Output is correct |
12 |
Correct |
37 ms |
768 KB |
Output is correct |
13 |
Correct |
35 ms |
620 KB |
Output is correct |
14 |
Correct |
35 ms |
748 KB |
Output is correct |
15 |
Correct |
34 ms |
728 KB |
Output is correct |
16 |
Correct |
33 ms |
620 KB |
Output is correct |
17 |
Correct |
33 ms |
620 KB |
Output is correct |
18 |
Correct |
38 ms |
620 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
4 ms |
364 KB |
Output is correct |
2 |
Correct |
10 ms |
492 KB |
Output is correct |
3 |
Correct |
52 ms |
748 KB |
Output is correct |
4 |
Correct |
53 ms |
748 KB |
Output is correct |
5 |
Correct |
51 ms |
768 KB |
Output is correct |
6 |
Correct |
45 ms |
748 KB |
Output is correct |
7 |
Correct |
47 ms |
876 KB |
Output is correct |
8 |
Correct |
49 ms |
748 KB |
Output is correct |
9 |
Correct |
52 ms |
748 KB |
Output is correct |
10 |
Correct |
36 ms |
620 KB |
Output is correct |
11 |
Correct |
36 ms |
620 KB |
Output is correct |
12 |
Correct |
37 ms |
768 KB |
Output is correct |
13 |
Correct |
35 ms |
620 KB |
Output is correct |
14 |
Correct |
35 ms |
748 KB |
Output is correct |
15 |
Correct |
34 ms |
728 KB |
Output is correct |
16 |
Correct |
33 ms |
620 KB |
Output is correct |
17 |
Correct |
33 ms |
620 KB |
Output is correct |
18 |
Correct |
38 ms |
620 KB |
Output is correct |
19 |
Correct |
685 ms |
1900 KB |
Output is correct |
20 |
Correct |
903 ms |
2060 KB |
Output is correct |
21 |
Correct |
806 ms |
2176 KB |
Output is correct |
22 |
Correct |
883 ms |
1900 KB |
Output is correct |
23 |
Correct |
620 ms |
1644 KB |
Output is correct |
24 |
Correct |
620 ms |
1644 KB |
Output is correct |
25 |
Correct |
593 ms |
1772 KB |
Output is correct |
26 |
Correct |
603 ms |
1644 KB |
Output is correct |
27 |
Correct |
553 ms |
1784 KB |
Output is correct |
28 |
Correct |
553 ms |
1644 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
15 ms |
2028 KB |
Output is correct |
2 |
Correct |
53 ms |
3432 KB |
Output is correct |
3 |
Correct |
97 ms |
5220 KB |
Output is correct |
4 |
Correct |
101 ms |
5348 KB |
Output is correct |
5 |
Correct |
98 ms |
5348 KB |
Output is correct |
6 |
Correct |
92 ms |
5220 KB |
Output is correct |
7 |
Correct |
98 ms |
5368 KB |
Output is correct |
8 |
Correct |
95 ms |
5220 KB |
Output is correct |
9 |
Correct |
99 ms |
5220 KB |
Output is correct |
10 |
Correct |
74 ms |
5348 KB |
Output is correct |
11 |
Correct |
76 ms |
5348 KB |
Output is correct |
12 |
Correct |
74 ms |
5348 KB |
Output is correct |
13 |
Correct |
71 ms |
5348 KB |
Output is correct |
14 |
Correct |
69 ms |
5348 KB |
Output is correct |
15 |
Correct |
69 ms |
5316 KB |
Output is correct |
16 |
Correct |
64 ms |
5348 KB |
Output is correct |
17 |
Correct |
66 ms |
5348 KB |
Output is correct |
18 |
Correct |
64 ms |
5348 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
4 ms |
364 KB |
Output is correct |
2 |
Correct |
10 ms |
492 KB |
Output is correct |
3 |
Correct |
52 ms |
748 KB |
Output is correct |
4 |
Correct |
53 ms |
748 KB |
Output is correct |
5 |
Correct |
51 ms |
768 KB |
Output is correct |
6 |
Correct |
45 ms |
748 KB |
Output is correct |
7 |
Correct |
47 ms |
876 KB |
Output is correct |
8 |
Correct |
49 ms |
748 KB |
Output is correct |
9 |
Correct |
52 ms |
748 KB |
Output is correct |
10 |
Correct |
36 ms |
620 KB |
Output is correct |
11 |
Correct |
36 ms |
620 KB |
Output is correct |
12 |
Correct |
37 ms |
768 KB |
Output is correct |
13 |
Correct |
35 ms |
620 KB |
Output is correct |
14 |
Correct |
35 ms |
748 KB |
Output is correct |
15 |
Correct |
34 ms |
728 KB |
Output is correct |
16 |
Correct |
33 ms |
620 KB |
Output is correct |
17 |
Correct |
33 ms |
620 KB |
Output is correct |
18 |
Correct |
38 ms |
620 KB |
Output is correct |
19 |
Correct |
685 ms |
1900 KB |
Output is correct |
20 |
Correct |
903 ms |
2060 KB |
Output is correct |
21 |
Correct |
806 ms |
2176 KB |
Output is correct |
22 |
Correct |
883 ms |
1900 KB |
Output is correct |
23 |
Correct |
620 ms |
1644 KB |
Output is correct |
24 |
Correct |
620 ms |
1644 KB |
Output is correct |
25 |
Correct |
593 ms |
1772 KB |
Output is correct |
26 |
Correct |
603 ms |
1644 KB |
Output is correct |
27 |
Correct |
553 ms |
1784 KB |
Output is correct |
28 |
Correct |
553 ms |
1644 KB |
Output is correct |
29 |
Correct |
15 ms |
2028 KB |
Output is correct |
30 |
Correct |
53 ms |
3432 KB |
Output is correct |
31 |
Correct |
97 ms |
5220 KB |
Output is correct |
32 |
Correct |
101 ms |
5348 KB |
Output is correct |
33 |
Correct |
98 ms |
5348 KB |
Output is correct |
34 |
Correct |
92 ms |
5220 KB |
Output is correct |
35 |
Correct |
98 ms |
5368 KB |
Output is correct |
36 |
Correct |
95 ms |
5220 KB |
Output is correct |
37 |
Correct |
99 ms |
5220 KB |
Output is correct |
38 |
Correct |
74 ms |
5348 KB |
Output is correct |
39 |
Correct |
76 ms |
5348 KB |
Output is correct |
40 |
Correct |
74 ms |
5348 KB |
Output is correct |
41 |
Correct |
71 ms |
5348 KB |
Output is correct |
42 |
Correct |
69 ms |
5348 KB |
Output is correct |
43 |
Correct |
69 ms |
5316 KB |
Output is correct |
44 |
Correct |
64 ms |
5348 KB |
Output is correct |
45 |
Correct |
66 ms |
5348 KB |
Output is correct |
46 |
Correct |
64 ms |
5348 KB |
Output is correct |
47 |
Execution timed out |
9059 ms |
30372 KB |
Time limit exceeded |
48 |
Halted |
0 ms |
0 KB |
- |