✔ Accepted 100

该用户太帅，这里啥也没写 (´・ω・｀)

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✔ Accepted 100

优化

//O1

#pragma GCC optimize(1) 

//O2

#pragma GCC optimize(2) 

//O3

#pragma GCC optimize(3) 

//Ofast

#pragma GCC optimize("Ofast,unroll-loops") 

//O3 fast inline

#pragma GCC optimize(3, "Ofast", "inline") 

//多线程for循环优化(一般对测评姬无效)

#pragma omp parallel for 

开满

//《论优化》
#pragma GCC optimize("Ofast,no-stack-protector")
#pragma GCC target("sse,sse2,sse3,ssse3,sse4,popcnt,abm,mmx,avx,tune=native")
#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("-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("-falign-functions")
#pragma GCC optimize("-fcse-follow-jumps")
#pragma GCC optimize("-fsched-interblock")
#pragma GCC optimize("-fpartial-inlining")
#pragma GCC optimize("-freorder-functions")
#pragma GCC optimize("-findirect-inlining")
#pragma GCC optimize("-fhoist-adjacent-loads")
#pragma GCC optimize("-frerun-cse-after-loop")
#pragma GCC optimize("inline-small-functions")
#pragma GCC optimize("-finline-small-functions")
#pragma GCC optimize("-ftree-switch-conversion")
#pragma GCC optimize("-foptimize-sibling-calls")
#pragma GCC optimize("-fexpensive-optimizations")
#pragma GCC optimize("-fdelete-null-pointer-checks")
#pragma GCC optimize("inline-functions-called-once")

#include<bits/stdc++.h>
using namespace std;
long long input(){
	long long s=0,w=1,x=0;
	char c=getchar();
	while(c<'0'||c>'9'){
		if(c=='-'){
			w=-1;
		}
		c=getchar();
	}
	while(c>='0'&&c<='9'){
		s=s*10+c-'0';
		c=getchar();
	}
	x=s*w;
	return x;
}
int main(){
	
	return 0;
}

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