CCF-(201609-1)最大波动-C语言(100分)

#include <stdio.h>
#include <math.h>

int main(){
    int i,n,difference=0;
    scanf("%d",&n);
    int *price;
    price=(int *)calloc(n,sizeof(int));
    for(i=0;i<n;i++){
        scanf("%d",&price[i]);
    }
    for(i=1;i<n;i++){
        if(abs(price[i]-price[i-1])>difference)
            difference=abs(price[i]-price[i-1]);
    }
    printf("%d",difference);
    return 0;
}