cp/codeforces/1006/d.cc
2025-02-26 12:02:28 -05:00

108 lines
2 KiB
C++

#include <bits/stdc++.h> // {{{
// https://codeforces.com/blog/entry/96344
#pragma GCC optimize("O2,unroll-loops")
#pragma GCC target("avx2,bmi,bmi2,lzcnt,popcnt")
using namespace std;
template <typename T>
constexpr T MIN = std::numeric_limits<T>::min();
template <typename T>
constexpr T MAX = std::numeric_limits<T>::max();
template <typename T>
[[nodiscard]] static T sc(auto &&x) {
return static_cast<T>(x);
}
template <typename T>
[[nodiscard]] static T sz(auto &&x) {
return static_cast<T>(x.size());
}
template <typename... Args>
void pr(std::format_string<Args...> fmt, Args &&...args) {
std::print(fmt, std::forward<Args>(args)...);
}
template <typename... Args>
void pr(std::format_string<Args...> fmt) {
std::print(fmt);
}
template <typename... Args>
void prln(std::format_string<Args...> fmt, Args &&...args) {
std::println(fmt, std::forward<Args>(args)...);
}
template <typename... Args>
void prln(std::format_string<Args...> fmt) {
std::println(fmt);
}
void prln() {
std::println();
}
void prln(auto const &t) {
std::println("{}", t);
}
#ifdef LOCAL
#define dbgln(...) prln(...)
#define dbg(...) pr(...)
#endif
using ll = long long;
using ld = long double;
template <typename T>
using vec = std::vector<T>;
template <typename T, size_t N>
using arr = std::array<T, N>;
#define ff first
#define ss second
#define eb emplace_back
#define pb push_back
#define all(x) (x).begin(), (x).end()
#define rall(x) (x).rbegin(), (x).rend()
// }}}
void solve() {
int n;
cin >> n;
vec<ll> a(n);
for (auto &e : a) {
cin >> e;
}
arr<int, 3> ans{0, 0, 0};
for (int l = 0; l < sz<int>(a); ++l) {
ll delta = 0;
for (int r = l + 1; r < sz<int>(a); ++r) {
delta += a[l] < a[r];
delta -= a[l] > a[r];
ans = min(ans, {delta, l, r});
}
}
prln("{} {}", ans[1] + 1, ans[2] + 1);
}
int main() { // {{{
cin.tie(nullptr)->sync_with_stdio(false);
int t = 1;
cin >> t;
while (t--) {
solve();
}
return 0;
}
// }}}