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Re:C

Posted by bloom at 2015-10-19 23:15:47 on Problem 1723
In Reply To:C Posted by:20132430213 at 2015-04-29 22:52:27
> #include <stdio.h>
> #include <stdlib.h>
> int get_abs(int a)
> {
>     return a>0?a:-a;
> }
> int comp(const void *a,const void *b)
> {
>     return (*(int *)a-*(int *)b);
> }
> int main()
> {
>     int x[10000],y[10000];
>     int n;
>     int i;
>    long  int sum=0;
>     int std;
>     scanf("%d",&n);
>     for(i=0;i<n;i++)
>     {
>         scanf("%d %d",x+i,y+i);
>     }
>     qsort(x,n,sizeof(int),comp);
>     for(i=0;i<n;i++)
>     x[i]-=i;
>     qsort(x,n,sizeof(int),comp);
>     std=x[n/2];
>     for(i=0;i<n;i++)
>     sum+=get_abs(x[i]-std);
>     qsort(y,n,sizeof(int),comp);
>     std=y[n/2];
>     for(i=0;i<n;i++)
>     sum+=get_abs(y[i]-std);
>     printf("%ld\n",sum);
>     return 0;
> }

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