第一次错是数组存,第二次是没开longlong
#include <stdio.h>
#include<math.h>
#include<string.h>
#include<algorithm>
using namespace std;
#define N 1002
int book[N];
int a[N];
int main()
{
long long i,x,y,mi,ans=0,a=0,n;
scanf("%lld%lld",&x,&y);
mi=max(abs(x),abs(y));
n=mi-1;
a=8*n;
ans=4*n+4*n*n;
// printf("%d %d %d\n",ans,a);
if(x<mi&&y>-mi)
{
ans=ans+x+mi+y+mi;
// printf("%d\n",a[mi]);
}
else if(x==mi)
{
ans=ans+(a+8)/2+mi-y;
}
else if(y==mi)
ans=ans+(a+8)*3/4+mi-x;
else if(x==-mi&&y==-mi)
ans+=a+8;
printf("%lld\n",ans);
return 0;
}