diff options
Diffstat (limited to 'largest_divisible_subset.c')
-rw-r--r-- | largest_divisible_subset.c | 28 |
1 files changed, 14 insertions, 14 deletions
diff --git a/largest_divisible_subset.c b/largest_divisible_subset.c index f540528..6d36c45 100644 --- a/largest_divisible_subset.c +++ b/largest_divisible_subset.c @@ -10,14 +10,14 @@ int cmp(const void *a, const void *b) { return *(int *)a - *(int *)b; } -int *largestDivisibleSubset(int *nums, int nums_size, int *return_size) { - qsort(nums, nums_size, sizeof(int), cmp); - int *idx = malloc(nums_size * sizeof(int)); - int *cnt = malloc(nums_size * sizeof(int)); +int *largestDivisibleSubset(int *nums, int numsSize, int *returnSize) { + qsort(nums, numsSize, sizeof(int), cmp); + int *idx = (int *)malloc(numsSize * sizeof(int)); + int *cnt = (int *)malloc(numsSize * sizeof(int)); int max = 1, max_idx = 0, tmp; idx[0] = -1; cnt[0] = 1; - for (int i = 1; i < nums_size; i++) { + for (int i = 1; i < numsSize; i++) { idx[i] = -1; cnt[i] = 1; for (int j = i - 1; j >= 0; j--) @@ -33,25 +33,25 @@ int *largestDivisibleSubset(int *nums, int nums_size, int *return_size) { max_idx = i; } } - *return_size = max; - int *ans = malloc(max * sizeof(int)); + *returnSize = max; + int *ans = (int *)malloc(max * sizeof(int)); for (int i = max - 1; i >= 0; i--) { ans[i] = nums[max_idx]; max_idx = idx[max_idx]; } - free(idx), free(cnt); + free(idx); + free(cnt); return ans; } int main() { - int n1[] = {1, 2, 3}, n2[] = {1, 2, 4, 8}; - int rs1[] = {}, rs2[] = {}; - int *lds1 = largestDivisibleSubset(n1, ARRAY_SIZE(n1), rs1); - int *lds2 = largestDivisibleSubset(n2, ARRAY_SIZE(n2), rs2); - for (int i = 0; i < 2; i++) + int n1[] = {1, 2, 3}, n2[] = {1, 2, 4, 8}, rs1, rs2; + int *lds1 = largestDivisibleSubset(n1, ARRAY_SIZE(n1), &rs1); + int *lds2 = largestDivisibleSubset(n2, ARRAY_SIZE(n2), &rs2); + for (int i = 0; i < rs1; i++) printf("%d ", lds1[i]); // expect: 1 2 printf("\n"); - for (int i = 0; i < 4; i++) + for (int i = 0; i < rs2; i++) printf("%d ", lds2[i]); // expect: 1 2 4 8 printf("\n"); free(lds1), free(lds2); |