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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
// SPDX-FileCopyrightText: 2020 - 2025 Kohei Yoshida
//
// SPDX-License-Identifier: MIT
#include <mdds/flat_segment_tree.hpp>
#include <iostream>
int main() try
{
//!code-start: type
using fst_type = mdds::flat_segment_tree<long, int>;
//!code-end: type
//!code-start: instance
// Define the begin and end points of the whole segment, and the default
// value.
fst_type db(0, 500, 0);
//!code-end: instance
//!code-start: insert-1
db.insert_front(10, 20, 10);
db.insert_back(50, 70, 15);
//!code-end: insert-1
//!code-start: insert-2
db.insert_back(60, 65, 5);
//!code-end: insert-2
//!code-start: linear-search
// Perform linear search. This doesn't require the tree to be built ahead
// of time.
if (auto it = db.search(15); it != db.end())
{
auto segment = it.to_segment();
std::cout << "The value at 15 is " << segment->value
<< ", and this segment spans from " << segment->start << " to "
<< segment->end << std::endl;
}
//!code-end: linear-search
//!code-start: tree-search
// Don't forget to build tree before calling search_tree().
db.build_tree();
// Perform tree search. Tree search is generally a lot faster than linear
// search, but requires the tree to be built ahead of time.
if (auto it = db.search_tree(62); it != db.end())
{
auto segment = it.to_segment();
std::cout << "The value at 62 is " << segment->value
<< ", and this segment spans from " << segment->start << " to "
<< segment->end << std::endl;
}
//!code-end: tree-search
}
catch (...)
{
return EXIT_FAILURE;
}
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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