力扣 Line 15: Char 54: runtime error: signed integer overflow: 2000000000 + 1000000000 cannot be represented in type 'int'
int 超了,数据是四个1000000000相加,将int改为double
double tmp=((double)nums[i]+nums[j]+nums[l]+nums[r]);
double先强转
int 超了,数据是四个1000000000相加,将int改为double