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2026-04-03 14:51:26 -03:00

179 lines
3.5 KiB
C++

/* Problem URL: https://codeforces.com/problemset/problem/2184/E */
#include <bits/stdc++.h>
#include <ext/pb_ds/assoc_container.hpp>
#include <ext/pb_ds/tree_policy.hpp>
using namespace std;
using namespace __gnu_pbds;
template <class T, class comp = less<>>
using ordered_set = tree<T, null_type , comp , rb_tree_tag , tree_order_statistics_node_update>;
#define V vector
#define rmin(a, b) a = min(a, b)
#define rmax(a, b) a = max(a, b)
#define rep(i, lim) for (int i = 0; i < (lim); i++)
#define nrep(i, s, lim) for (int i = s; i < (lim); i++)
#define repv(i, v) for (auto &i : (v))
#define fillv(v) for (auto &itr_ : (v)) { cin >> itr_; }
#define sortv(v) sort(v.begin(), v.end())
#define all(v) (v).begin(), (v).end()
using vi = vector<int>;
using vvi = vector<vi>;
using vvvi = vector<vvi>;
using vvvvi = vector<vvvi>;
using ll = long long;
using vl = vector<ll>;
using vvl = vector<vl>;
using vvvl = vector<vvl>;
using vvvvl = vector<vvvl>;
template<class v>
auto operator<<(ostream &os, const vector<v> &vec)->ostream& {
os << vec[0];
for (size_t i = 1; i < vec.size(); i++) {
os << ' ' << vec[i];
}
os << '\n';
return os;
}
template<class v>
auto operator>>(istream &is, vector<v> &vec)->istream& {
for (auto &i : vec) {
is >> i;
}
return is;
}
template<class v>
auto operator<<(ostream &os, const vector<vector<v>> &vec)->ostream& {
for (auto &i : vec) {
os << i[0];
for (size_t j = 1; j < i.size(); j++) {
os << ' ' << i[j];
}
os << '\n';
}
return os;
}
template<class v>
auto operator>>(istream &is, vector<vector<v>> &vec)->istream& {
for (auto &i : vec) {
for (auto &j : i) {
is >> j;
}
}
return is;
}
const int oo = INT32_MAX >> 1;
const ll OO = INT64_MAX >> 1;
void pre()
{
}
#define TEST 1
void solve()
{
int n;
cin >> n;
vi p(n);
cin >> p;
vi diff(n - 1);
nrep(i, 1, n) {
diff[i - 1] = abs(p[i] - p[i - 1]);
}
vvi sparse(20, vi(n - 1));
rep(i, n - 1) {
sparse[0][i] = diff[i];
}
nrep(j, 1, 20) {
for (int i = 0; i + (1 << (j - 1)) < n - 1; i++) {
sparse[j][i] = min(sparse[j - 1][i], sparse[j - 1][i + (1 << (j - 1))]);
}
}
auto query = [&](int l, int r) {
int log = 31 - __builtin_clz(r - l + 1);
return min(sparse[log][l], sparse[log][r - (1 << log) + 1]);
};
vl ans(n + 1);
vi lim(n + 1, -1);
rep(i, n - 1) {
int low = i;
int high = n - 2;
int r = i;
while (low <= high) {
int mid = (low + high) >> 1;
int q = query(i, mid);
if (q == diff[i]) {
r = mid;
low = mid + 1;
continue;
}
high = mid - 1;
}
low = lim[diff[i]] + 1;
high = i;
int l = i;
while (low <= high) {
int mid = (low + high) >> 1;
int q = query(mid, i);
if (q == diff[i]) {
l = mid;
high = mid - 1;
continue;
}
low = mid + 1;
}
ll act = (ll)(i - l + 1) * (ll)(r - i + 1);
ans[0] += act;
ans[diff[i] + 1] -= act;
lim[diff[i]] = i;
}
nrep(i, 1, n) {
ans[i] += ans[i - 1];
cout << ans[i] << ' ';
}
cout << '\n';
}
int main()
{
ios::sync_with_stdio(false);
cin.tie(nullptr);
pre();
int t;
(TEST && cin >> t) || (t = 1);
while (t--) {
solve();
}
}