#include <bits/stdc++.h>
#define ll long long
#define db double
#define ld long double
#define lid id * 2 + 1
#define rid id * 2 + 2
#define lmn LLONG_MIN
#define lmx LLONG_MAX
#define imn INT_MIN
#define imx INT_MAX
using namespace std;
const ll mod = 1e9 + 7;
#include <ext/pb_ds/assoc_container.hpp>
#include <ext/pb_ds/tree_policy.hpp>
using namespace __gnu_pbds;
#define ordered_set tree<ll, null_type,less<ll>, rb_tree_tag, tree_order_statistics_node_update>
int n, m;
// segtree implementation begins here
vector<int> st, lazy;
void pd(int id, int l, int mid, int r) {
st[lid] += lazy[id];
st[rid] += lazy[id];
lazy[lid] += lazy[id];
lazy[rid] += lazy[id];
lazy[id] = 0;
}
void update(int id, int l, int r, int ul, int ur, int val) {
if (r < ul or l > ur) return;
if (ul <= l and r <= ur) {
st[id] += val;
lazy[id] += val;
return;
}
int mid = (l + r) / 2;
pd(id, l, mid, r);
update(lid, l, mid, ul, ur, val);
update(rid, mid + 1, r, ul, ur, val);
st[id] = max(st[lid], st[rid]);
}
void setas(int id, int l, int r, int pos, int val) {
if (l == r) {
st[id] = val;
return;
}
int mid = (l + r) / 2;
pd(id, l, mid, r);
if (pos <= mid) setas(lid, l, mid, pos, val);
else setas(rid, mid + 1, r, pos, val);
st[id] = max(st[lid], st[rid]);
}
// segtree implementations ends here
vector<int> countScans(vector<int> A, vector<int> X, vector<int> V){
n = A.size();
int q = X.size(), i;
vector<ll> a(n);
for (i = 0; i < n; i++) a[i] = A[i] * 1000000ll + i;
unordered_map<ll, int> b2s;
vector<ll> s2b = a;
for (i = 0; i < q; i++) s2b.push_back(V[i] * 1000000ll + X[i]);
sort(s2b.begin(), s2b.end());
for (i = 0; i < n + q; i++) b2s[s2b[i]] = i;
m = s2b.size();
st.resize(m * 4, -1e9);
lazy.resize(m * 4);
ordered_set os;
for (ll elem : a) os.insert(elem);
for (i = 0; i < n; i++) setas(0, 0, m - 1, b2s[a[i]], i - os.order_of_key(a[i]));
vector<int> ans(q);
for (i = 0; i < q; i++) {
for (int j = b2s[a[X[i]]] + 1; j < m; j++) update(0, 0, m - 1, j, j, 1);
//update(0, 0, m - 1, b2s[a[X[i]]] + 1, m - 1, 1);
os.erase(a[X[i]]);
setas(0, 0, m - 1, b2s[a[X[i]]], -1e9);
a[X[i]] = V[i] * 1000000ll + X[i];
os.insert(a[X[i]]);
setas(0, 0, m - 1, b2s[a[X[i]]], X[i] - os.order_of_key(a[X[i]]));
for (int j = b2s[a[X[i]]] + 1; j < m; j++) update(0, 0, m - 1, j, j, -1);
//update(0, 0, m - 1, b2s[a[X[i]]] + 1, m - 1, -1);
ans[i] = st[0];
}
return ans;
}
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
45 ms |
348 KB |
Output is correct |
2 |
Correct |
121 ms |
604 KB |
Output is correct |
3 |
Correct |
724 ms |
860 KB |
Output is correct |
4 |
Correct |
731 ms |
976 KB |
Output is correct |
5 |
Correct |
717 ms |
1108 KB |
Output is correct |
6 |
Correct |
561 ms |
860 KB |
Output is correct |
7 |
Correct |
611 ms |
984 KB |
Output is correct |
8 |
Correct |
650 ms |
972 KB |
Output is correct |
9 |
Correct |
719 ms |
860 KB |
Output is correct |
10 |
Correct |
657 ms |
1108 KB |
Output is correct |
11 |
Correct |
657 ms |
860 KB |
Output is correct |
12 |
Correct |
668 ms |
860 KB |
Output is correct |
13 |
Correct |
723 ms |
860 KB |
Output is correct |
14 |
Correct |
700 ms |
948 KB |
Output is correct |
15 |
Correct |
692 ms |
860 KB |
Output is correct |
16 |
Correct |
781 ms |
952 KB |
Output is correct |
17 |
Correct |
750 ms |
1104 KB |
Output is correct |
18 |
Correct |
748 ms |
936 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
45 ms |
348 KB |
Output is correct |
2 |
Correct |
121 ms |
604 KB |
Output is correct |
3 |
Correct |
724 ms |
860 KB |
Output is correct |
4 |
Correct |
731 ms |
976 KB |
Output is correct |
5 |
Correct |
717 ms |
1108 KB |
Output is correct |
6 |
Correct |
561 ms |
860 KB |
Output is correct |
7 |
Correct |
611 ms |
984 KB |
Output is correct |
8 |
Correct |
650 ms |
972 KB |
Output is correct |
9 |
Correct |
719 ms |
860 KB |
Output is correct |
10 |
Correct |
657 ms |
1108 KB |
Output is correct |
11 |
Correct |
657 ms |
860 KB |
Output is correct |
12 |
Correct |
668 ms |
860 KB |
Output is correct |
13 |
Correct |
723 ms |
860 KB |
Output is correct |
14 |
Correct |
700 ms |
948 KB |
Output is correct |
15 |
Correct |
692 ms |
860 KB |
Output is correct |
16 |
Correct |
781 ms |
952 KB |
Output is correct |
17 |
Correct |
750 ms |
1104 KB |
Output is correct |
18 |
Correct |
748 ms |
936 KB |
Output is correct |
19 |
Execution timed out |
9031 ms |
2392 KB |
Time limit exceeded |
20 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
7786 ms |
5136 KB |
Output is correct |
2 |
Execution timed out |
9029 ms |
9164 KB |
Time limit exceeded |
3 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
45 ms |
348 KB |
Output is correct |
2 |
Correct |
121 ms |
604 KB |
Output is correct |
3 |
Correct |
724 ms |
860 KB |
Output is correct |
4 |
Correct |
731 ms |
976 KB |
Output is correct |
5 |
Correct |
717 ms |
1108 KB |
Output is correct |
6 |
Correct |
561 ms |
860 KB |
Output is correct |
7 |
Correct |
611 ms |
984 KB |
Output is correct |
8 |
Correct |
650 ms |
972 KB |
Output is correct |
9 |
Correct |
719 ms |
860 KB |
Output is correct |
10 |
Correct |
657 ms |
1108 KB |
Output is correct |
11 |
Correct |
657 ms |
860 KB |
Output is correct |
12 |
Correct |
668 ms |
860 KB |
Output is correct |
13 |
Correct |
723 ms |
860 KB |
Output is correct |
14 |
Correct |
700 ms |
948 KB |
Output is correct |
15 |
Correct |
692 ms |
860 KB |
Output is correct |
16 |
Correct |
781 ms |
952 KB |
Output is correct |
17 |
Correct |
750 ms |
1104 KB |
Output is correct |
18 |
Correct |
748 ms |
936 KB |
Output is correct |
19 |
Execution timed out |
9031 ms |
2392 KB |
Time limit exceeded |
20 |
Halted |
0 ms |
0 KB |
- |