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#include "utils/binary_search_max.hpp"
#pragma once
#include <cassert>
#include <cstdint>
/**
* @return $\max \lbrace x \in (l, r] \mid p(x) \rbrace$, or l if it doesn't exist
*/
template <typename UnaryPredicate>
int64_t binsearch_max(int64_t l, int64_t r, UnaryPredicate p) {
assert (l <= r);
++ r;
while (r - l > 1) {
int64_t m = l + (r - l) / 2;
(p(m) ? l : r) = m;
}
return l;
}
#line 2 "utils/binary_search_max.hpp"
#include <cassert>
#include <cstdint>
/**
* @return $\max \lbrace x \in (l, r] \mid p(x) \rbrace$, or l if it doesn't exist
*/
template <typename UnaryPredicate>
int64_t binsearch_max(int64_t l, int64_t r, UnaryPredicate p) {
assert (l <= r);
++ r;
while (r - l > 1) {
int64_t m = l + (r - l) / 2;
(p(m) ? l : r) = m;
}
return l;
}