5至10以及13过不了
#include<stdio.h>
int main()
{
long long n,i,m,p1,s1,s2,p2,sum1=0,sum2=0,c[1000000],d[1000000],max;
scanf("%lld\n",&n);
for(i=0;i<n;i++)
{
scanf("%lld",&c[i]);
}
scanf("\n");
scanf("%lld%lld%lld%lld",&m,&p1,&s1,&s2);
for(i=0;i<m-1;i++)
{
sum1+=(m-i-1)*c[i];
}
for(i=m;i<n;i++)
{
sum2+=(i+1-m)*c[i];
}
if(p1<m)
{
sum1+=(m-p1)*s1;
}
else if(p1>m)
{
sum2+=(p1-m)*s1;
}
if(sum1==sum2)
{
p2=m;
}
else if(sum1>sum2)
{
d[m]=sum2+s2-sum1>0?sum2+s2-sum1:sum1-sum2-s2;
for(i=m+1,max=m;i<n;i++)
{
d[i]=sum2+(i+1-m)*s2-sum1>0?sum2+(i+1-m)*s2-sum1:sum1-sum2-(i+1-m)*s2;
if(d[i]<d[i-1])
{
max=i;
}
}
p2=max+1;
}
else
{
d[0]=sum1+(m-1)*s2-sum2>0?sum1+(m-1)*s2-sum2:sum2-sum1-(m-1)*s2;
for(i=1,max=0;i<m-1;i++)
{
d[i]=sum1+(m-i-1)*s2-sum2>0?sum1+(m-i-1)*s2-sum2:sum2-sum1-(m-i-1)*s2;
if(d[i]<d[i-1])
{
max=i;
}
}
p2=max+1;
}
printf("%lld",p2);
return 0;
}