```
int maxSubArray(int* nums, int numsSize)
{
int* sum = (int*)malloc(sizeof(int) * numsSize);
sum[0] = nums[0];
int i, min = 0, d = 0x80000000;
for(i = 1; i < numsSize; ++i)
sum[i] = sum[i-1] + nums[i];
for(i = 0; i < numsSize; ++i)
{
if(sum[i] - min > d)
d = sum[i] - min;
if(min > sum[i])
min = sum[i];
}
return d;
}
```