#include <cstdio> #include <algorithm> #define N 500005 using namespace std; int n,m,s,tot,dcnt; inline int read(){ int x=0,f=1; char ch=getchar(); while(ch<'0'||ch>'9'){ if(ch=='-')f=-1;ch=getchar();} while(ch>='0'&&ch<='9'){x=x*10+ch-'0';ch=getchar();} return x*f; }...