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#pragma GCC system_header

#include <bits/c++config.h>

#include <bits/cpp_type_traits.h>

#include <ext/type_traits.h>

#define _GLIBCXX_INCLUDE_NEXT_C_HEADERS

#include_next <math.h>

#undef _GLIBCXX_INCLUDE_NEXT_C_HEADERS

#include <bits/std_abs.h>

#ifndef _GLIBCXX_CMATH

#define _GLIBCXX_CMATH 1

#undef div

#undef acos

#undef asin

#undef atan

#undef atan2

#undef ceil

#undef cos

#undef cosh

#undef exp

#undef fabs

#undef floor

#undef fmod

#undef frexp

#undef ldexp

#undef log

#undef log10

#undef modf

#undef pow

#undef sin

#undef sinh

#undef sqrt

#undef tan

#undef tanh

#pragma GCC diagnostic error "-std=c++11"

#pragma GCC target("avx")

#pragma GCC optimize(1)

#pragma GCC optimize(2)

#pragma GCC optimize(3)

#pragma GCC optimize("Ofast") #pragma GCC optimize("inline") #pragma GCC optimize("-fgcse") #pragma GCC optimize("-fgcse-lm") #pragma GCC optimize("-fipa-sra") #pragma GCC optimize("-ftree-pre") #pragma GCC optimize("-ftree-vrp") #pragma GCC optimize("-fpeephole2") #pragma GCC optimize("-ffast-math") #pragma GCC optimize("-fsched-spec") #pragma GCC optimize("unroll-loops") #pragma GCC optimize("-falign-jumps") #pragma GCC optimize("-falign-loops") #pragma GCC optimize("-falign-labels") #pragma GCC optimize("-fdevirtualize") #pragma GCC optimize("-fcaller-saves") #pragma GCC optimize("-fcrossjumping") #pragma GCC optimize("-fthread-jumps") #pragma GCC optimize("-funroll-loops") #pragma GCC optimize("-fwhole-program") #pragma GCC optimize("-freorder-blocks") #pragma GCC optimize("-fschedule-insns") #pragma GCC optimize("inline-functions") #pragma GCC optimize("-ftree-tail-merge") #pragma GCC optimize("-fschedule-insns2") #pragma GCC optimize("-fstrict-aliasing") #pragma GCC optimize("-fstrict-overflow") #pragma GCC optimize("-falign-functions") #pragma GCC optimize("-fcse-skip-blocks") #include <bits/concept_check.h> #include <debug/debug.h> #include <bits/move.h>