abs(a-b) I
below given code is for ABSP1 spoj or abs(a-b) I spoj#include <stdio.h>
#include <iostream>
using namespace std;
int main()
{
int t;
scanf("%d",&t);
while(t--)
{
int n,i;
scanf("%d",&n);
int a[n+9];
for(i=0;i<n;i++)
scanf("%d",&a[i]);
long long sum=0;
for(i=0;i<n/2;i++)
{
sum+=((n- 2*i -1)*(a[n-i-1] - a[i]));
}
printf("%lld\n",sum);
}
return 0;
}
No comments:
Post a Comment
Your comment is valuable to us