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please help.. i don't understand, why it is wa #include<cstdio>
#include<cstring>
#include<cstdlib>
#include<cmath>
long lin[100000],rank[1000000];
struct point
{
double x;
double y;
}p[10000];

struct T
{
long u,v;
double w;
}t[1000000];
int sf(const void *aa,const void *bb)
{
T *p=(T *)aa;
T ...