#include <bits/stdc++.h>
#define ll long long
#define fi first
#define se second
#define sz(x) (int)x.size()
#define ALL(v) v.begin(),v.end()
#define MASK(k) (1LL << (k))
#define BIT(x, i) (((x) >> (i)) & 1)
#define oo (ll)1e18
#define INF (ll)1e9
#define MOD (ll)(1e9 + 7)
using namespace std;
template<class T1, class T2>
bool maximize(T1 &a, T2 b){if(a < b){a = b; return true;} return false;}
template<class T1, class T2>
bool minimize(T1 &a, T2 b){if(a > b){a = b; return true;} return false;}
template<class T1, class T2>
void add(T1 &a, T2 b){a += b; if(a >= MOD) a -= MOD;}
template<class T1, class T2>
void sub(T1 &a, T2 b){a -= b; if(a < 0) a += MOD;}
template<class T>
void cps(T &v){sort(ALL(v)); v.resize(unique(ALL(v)) - v.begin());}
struct seg{
vector<int> ma, laz;
int n;
seg(int _n = 0){
n = _n;
ma.resize(4 * n + 3, 0);
laz.resize(4 * n + 3, 0);
}
void push(int i){
int t = laz[i];
laz[i] = 0;
ma[i * 2] += t;
ma[i * 2 + 1] += t;
laz[i * 2] += t;
laz[i * 2 + 1] += t;
}
void upd(int i, int l, int r, int u, int v, int c){
if(r < u || v < l) return;
if(u <= l && r <= v){
ma[i] += c;
laz[i] += c;
return;
}
push(i);
int m = (l + r) >> 1;
upd(i * 2, l, m, u, v, c);
upd(i * 2 + 1, m + 1, r, u, v, c);
ma[i] = max(ma[i * 2], ma[i * 2 + 1]);
}
void upd(int u, int v, int c){
upd(1, 0, n - 1, u, v, c);
}
int get(){
return ma[1];
}
};
const int MAX = 5e5 + 10;
int N, Q;
int a[MAX];
vector<pair<int, int>> queries;
set<int> st[MAX * 2];
std::vector<int> countScans(std::vector<int> A, std::vector<int> X, std::vector<int> V){
N = sz(A);
Q = sz(X);
vector<int> ord;
for(int i = 1; i <= N; i++){
a[i] = A[i - 1];
ord.push_back(a[i]);
}
for(int i = 1; i <= Q; i++){
int p = X[i - 1], x = V[i - 1];
p++;
queries.push_back({p, x});
ord.push_back(x);
}
cps(ord);
for(int i = 1; i <= N; i++){
a[i] = lower_bound(ALL(ord), a[i]) - ord.begin();
st[a[i]].insert(i);
}
seg it(sz(ord));
for(int i = 0; i < sz(ord); i++){
st[i].insert(-INF);
it.upd(i, i, *st[i].rbegin());
it.upd(i, sz(ord) - 1, -(sz(st[i]) - 1));
}
vector<int> ans;
for(auto &o: queries){
o.se = lower_bound(ALL(ord), o.se) - ord.begin();
int p = o.fi, c = o.se;
it.upd(a[p], a[p], -*st[a[p]].rbegin());
st[a[p]].erase(p);
it.upd(a[p], a[p], *st[a[p]].rbegin());
it.upd(a[p], sz(ord) - 1, 1);
a[p] = c;
it.upd(a[p], a[p], -*st[a[p]].rbegin());
st[a[p]].insert(p);
it.upd(a[p], a[p], *st[a[p]].rbegin());
it.upd(a[p], sz(ord) - 1, -1);
ans.push_back(it.get());
}
return ans;
}
//int main(){
// ios_base::sync_with_stdio(0); cin.tie(0);
// freopen("mst.inp","r",stdin);
// freopen("mst.out","w",stdout);
// int t = 1;
//// cin >> t;
// while(t--){
// solve();
// }
// return 0;
//}
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
23 ms |
47444 KB |
Output is correct |
2 |
Correct |
22 ms |
47452 KB |
Output is correct |
3 |
Correct |
24 ms |
47720 KB |
Output is correct |
4 |
Correct |
25 ms |
47708 KB |
Output is correct |
5 |
Correct |
24 ms |
47960 KB |
Output is correct |
6 |
Correct |
24 ms |
47832 KB |
Output is correct |
7 |
Correct |
25 ms |
47960 KB |
Output is correct |
8 |
Correct |
25 ms |
47696 KB |
Output is correct |
9 |
Correct |
25 ms |
47964 KB |
Output is correct |
10 |
Correct |
25 ms |
47704 KB |
Output is correct |
11 |
Correct |
24 ms |
47708 KB |
Output is correct |
12 |
Correct |
25 ms |
47700 KB |
Output is correct |
13 |
Correct |
25 ms |
47704 KB |
Output is correct |
14 |
Correct |
28 ms |
47708 KB |
Output is correct |
15 |
Correct |
28 ms |
47708 KB |
Output is correct |
16 |
Correct |
30 ms |
47716 KB |
Output is correct |
17 |
Correct |
25 ms |
47708 KB |
Output is correct |
18 |
Correct |
25 ms |
47704 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
23 ms |
47444 KB |
Output is correct |
2 |
Correct |
22 ms |
47452 KB |
Output is correct |
3 |
Correct |
24 ms |
47720 KB |
Output is correct |
4 |
Correct |
25 ms |
47708 KB |
Output is correct |
5 |
Correct |
24 ms |
47960 KB |
Output is correct |
6 |
Correct |
24 ms |
47832 KB |
Output is correct |
7 |
Correct |
25 ms |
47960 KB |
Output is correct |
8 |
Correct |
25 ms |
47696 KB |
Output is correct |
9 |
Correct |
25 ms |
47964 KB |
Output is correct |
10 |
Correct |
25 ms |
47704 KB |
Output is correct |
11 |
Correct |
24 ms |
47708 KB |
Output is correct |
12 |
Correct |
25 ms |
47700 KB |
Output is correct |
13 |
Correct |
25 ms |
47704 KB |
Output is correct |
14 |
Correct |
28 ms |
47708 KB |
Output is correct |
15 |
Correct |
28 ms |
47708 KB |
Output is correct |
16 |
Correct |
30 ms |
47716 KB |
Output is correct |
17 |
Correct |
25 ms |
47708 KB |
Output is correct |
18 |
Correct |
25 ms |
47704 KB |
Output is correct |
19 |
Correct |
42 ms |
49236 KB |
Output is correct |
20 |
Correct |
43 ms |
49488 KB |
Output is correct |
21 |
Correct |
42 ms |
49588 KB |
Output is correct |
22 |
Correct |
39 ms |
49496 KB |
Output is correct |
23 |
Correct |
40 ms |
49204 KB |
Output is correct |
24 |
Correct |
40 ms |
49232 KB |
Output is correct |
25 |
Correct |
39 ms |
49244 KB |
Output is correct |
26 |
Correct |
38 ms |
49244 KB |
Output is correct |
27 |
Correct |
40 ms |
49236 KB |
Output is correct |
28 |
Correct |
42 ms |
49224 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
32 ms |
49244 KB |
Output is correct |
2 |
Correct |
59 ms |
51000 KB |
Output is correct |
3 |
Correct |
84 ms |
52868 KB |
Output is correct |
4 |
Correct |
86 ms |
52816 KB |
Output is correct |
5 |
Correct |
86 ms |
52812 KB |
Output is correct |
6 |
Correct |
88 ms |
52808 KB |
Output is correct |
7 |
Correct |
84 ms |
53068 KB |
Output is correct |
8 |
Correct |
81 ms |
52808 KB |
Output is correct |
9 |
Correct |
81 ms |
52860 KB |
Output is correct |
10 |
Correct |
69 ms |
52812 KB |
Output is correct |
11 |
Correct |
69 ms |
52816 KB |
Output is correct |
12 |
Correct |
71 ms |
52816 KB |
Output is correct |
13 |
Correct |
71 ms |
52812 KB |
Output is correct |
14 |
Correct |
67 ms |
52812 KB |
Output is correct |
15 |
Correct |
70 ms |
52984 KB |
Output is correct |
16 |
Correct |
71 ms |
52812 KB |
Output is correct |
17 |
Correct |
63 ms |
52840 KB |
Output is correct |
18 |
Correct |
67 ms |
52768 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
23 ms |
47444 KB |
Output is correct |
2 |
Correct |
22 ms |
47452 KB |
Output is correct |
3 |
Correct |
24 ms |
47720 KB |
Output is correct |
4 |
Correct |
25 ms |
47708 KB |
Output is correct |
5 |
Correct |
24 ms |
47960 KB |
Output is correct |
6 |
Correct |
24 ms |
47832 KB |
Output is correct |
7 |
Correct |
25 ms |
47960 KB |
Output is correct |
8 |
Correct |
25 ms |
47696 KB |
Output is correct |
9 |
Correct |
25 ms |
47964 KB |
Output is correct |
10 |
Correct |
25 ms |
47704 KB |
Output is correct |
11 |
Correct |
24 ms |
47708 KB |
Output is correct |
12 |
Correct |
25 ms |
47700 KB |
Output is correct |
13 |
Correct |
25 ms |
47704 KB |
Output is correct |
14 |
Correct |
28 ms |
47708 KB |
Output is correct |
15 |
Correct |
28 ms |
47708 KB |
Output is correct |
16 |
Correct |
30 ms |
47716 KB |
Output is correct |
17 |
Correct |
25 ms |
47708 KB |
Output is correct |
18 |
Correct |
25 ms |
47704 KB |
Output is correct |
19 |
Correct |
42 ms |
49236 KB |
Output is correct |
20 |
Correct |
43 ms |
49488 KB |
Output is correct |
21 |
Correct |
42 ms |
49588 KB |
Output is correct |
22 |
Correct |
39 ms |
49496 KB |
Output is correct |
23 |
Correct |
40 ms |
49204 KB |
Output is correct |
24 |
Correct |
40 ms |
49232 KB |
Output is correct |
25 |
Correct |
39 ms |
49244 KB |
Output is correct |
26 |
Correct |
38 ms |
49244 KB |
Output is correct |
27 |
Correct |
40 ms |
49236 KB |
Output is correct |
28 |
Correct |
42 ms |
49224 KB |
Output is correct |
29 |
Correct |
32 ms |
49244 KB |
Output is correct |
30 |
Correct |
59 ms |
51000 KB |
Output is correct |
31 |
Correct |
84 ms |
52868 KB |
Output is correct |
32 |
Correct |
86 ms |
52816 KB |
Output is correct |
33 |
Correct |
86 ms |
52812 KB |
Output is correct |
34 |
Correct |
88 ms |
52808 KB |
Output is correct |
35 |
Correct |
84 ms |
53068 KB |
Output is correct |
36 |
Correct |
81 ms |
52808 KB |
Output is correct |
37 |
Correct |
81 ms |
52860 KB |
Output is correct |
38 |
Correct |
69 ms |
52812 KB |
Output is correct |
39 |
Correct |
69 ms |
52816 KB |
Output is correct |
40 |
Correct |
71 ms |
52816 KB |
Output is correct |
41 |
Correct |
71 ms |
52812 KB |
Output is correct |
42 |
Correct |
67 ms |
52812 KB |
Output is correct |
43 |
Correct |
70 ms |
52984 KB |
Output is correct |
44 |
Correct |
71 ms |
52812 KB |
Output is correct |
45 |
Correct |
63 ms |
52840 KB |
Output is correct |
46 |
Correct |
67 ms |
52768 KB |
Output is correct |
47 |
Correct |
564 ms |
89656 KB |
Output is correct |
48 |
Correct |
2072 ms |
174444 KB |
Output is correct |
49 |
Correct |
2307 ms |
187444 KB |
Output is correct |
50 |
Correct |
2395 ms |
187536 KB |
Output is correct |
51 |
Correct |
2306 ms |
187436 KB |
Output is correct |
52 |
Correct |
2325 ms |
187292 KB |
Output is correct |
53 |
Correct |
2177 ms |
187408 KB |
Output is correct |
54 |
Correct |
1961 ms |
187444 KB |
Output is correct |
55 |
Correct |
2085 ms |
187444 KB |
Output is correct |
56 |
Correct |
1997 ms |
187488 KB |
Output is correct |
57 |
Correct |
2102 ms |
187444 KB |
Output is correct |
58 |
Correct |
2036 ms |
187448 KB |
Output is correct |
59 |
Correct |
1809 ms |
176496 KB |
Output is correct |
60 |
Correct |
1824 ms |
176480 KB |
Output is correct |
61 |
Correct |
1844 ms |
176488 KB |
Output is correct |
62 |
Correct |
1864 ms |
171504 KB |
Output is correct |
63 |
Correct |
1701 ms |
171572 KB |
Output is correct |
64 |
Correct |
1792 ms |
171576 KB |
Output is correct |
65 |
Correct |
1623 ms |
166452 KB |
Output is correct |
66 |
Correct |
1592 ms |
166380 KB |
Output is correct |
67 |
Correct |
1624 ms |
166460 KB |
Output is correct |