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Copy path213-House-Robber-II.c
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213-House-Robber-II.c
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int rob(int* nums, int numsSize) {
int *sum1 = (int*)malloc(numsSize * sizeof(int));
int *sum2 = (int*)malloc(numsSize * sizeof(int));
int i;
sum1[0] = 0;
if (0 == numsSize)
{
return 0;
}
if (1 == numsSize)
{
return nums[0];
}
for (i = 1; i < numsSize; i++)
{
if (1 == i)
{
sum1[i] = nums[i];
}
else
{
if (sum1[i - 1] > nums[i] + sum1[i - 2])
{
sum1[i] = sum1[i - 1];
}
else
{
sum1[i] = nums[i] + sum1[i - 2];
}
}
}
for (i = 0; i < numsSize - 1; i++)
{
if (0 == i)
{
sum2[i] = nums[i];
}
else if (1 == i)
{
if (nums[i] > nums[i - 1])
{
sum2[i] = nums[i];
}
else
{
sum2[i] = nums[i - 1];
}
}
else
{
if (sum2[i - 1] > nums[i] + sum2[i - 2])
{
sum2[i] = sum2[i - 1];
}
else
{
sum2[i] = nums[i] + sum2[i - 2];
}
}
}
if (sum1[numsSize - 1] > sum2[numsSize - 2])
{
return sum1[numsSize - 1];
}
else
{
return sum2[numsSize - 2];
}
}