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#include "../util.h"
constexpr ll inf = LL::INF;
#include <datastructures/lichao.cpp>
void stress_test(ll range) {
ll queries = 0;
for (int tries = 0; tries < 1000; tries++) {
int n = Random::integer<int>(1, 100);
xs = Random::distinct<ll>(n, -range, range);
sort(all(xs));
vector<ll> naive(n, inf);
Lichao tree;
for (int operations = 0; operations < 1000; operations++) {
{
ll m = Random::integer<ll>(-100, 100);
ll c = Random::integer<ll>(-range, range);
ll l = Random::integer<ll>(-range, range);
ll r = Random::integer<ll>(-range, range);
Fun f{m, c};
tree.segmentInsert(f, l, r);
for (int i = 0; i < n; i++) {
if (l <= xs[i] && xs[i] < r) naive[i] = min(naive[i], f(i));
}
}
{
queries++;
int i = Random::integer<int>(0, n);
ll got = tree.query(xs[i]);
ll expected = naive[i];
if (got != expected) cerr << xs[i] << endl;
if (got != expected) cerr << "got: " << got << ", expected: " << expected << FAIL;
}
}
}
cerr << "tested random queries: " << queries << endl;
}
constexpr int N = 200'000;
void performance_test() {
timer t;
xs = Random::distinct<ll>(N, -1'000'000'000, 1'000'000'000);
sort(all(xs));
t.start();
Lichao tree;
t.stop();
hash_t hash = 0;
for (int operations = 0; operations < N; operations++) {
ll m = Random::integer<ll>(-1'000'000, 1'000'000);
ll c = Random::integer<ll>(-1'000'000, 1'000'000);
ll l = Random::integer<ll>(-1'000'000'000, 1'000'000'000);
ll r = Random::integer<ll>(-1'000'000'000, 1'000'000'000);
ll x = xs[Random::integer<int>(N)];
Fun f{m, c};
t.start();
tree.segmentInsert(f, l, r);
hash ^= tree.query(x);
t.stop();
}
if (t.time > 1000) cerr << "too slow: " << t.time << FAIL;
cerr << "tested performance: " << t.time << "ms (hash: " << hash << ")" << endl;
}
int main() {
stress_test(100);
stress_test(1'000);
stress_test(1'000'000);
performance_test();
}
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