#include<bits/stdc++.h> using namespace std; const int N=1e5+10; int a[N]; int read() { int s=0,f=1; char ch=getchar(); while(!isdigit(ch)) { if(ch=='-')f=-1; ch=getchar(); } while(isdigit(ch)) { s=s*10+ch-'0'; ch=getchar(); } return s*f; } void write(int x) { if(x<0)putchar('-'),x=-x; if(x...