From c78db7989d3777607df903edf7ae7592cf24ff72 Mon Sep 17 00:00:00 2001
From: begeekmyfriend <begeekmyfriend@gmail.com>
Date: Sun, 1 Oct 2017 09:31:16 +0800
Subject: [PATCH] Remove duplicates from sorted array

Signed-off-by: begeekmyfriend <begeekmyfriend@gmail.com>
---
 .../Makefile                                  |  2 ++
 .../rm_dup.c                                  | 36 +++++++++++++++++++
 2 files changed, 38 insertions(+)
 create mode 100644 026_remove_duplicates_from_sorted_array/Makefile
 create mode 100644 026_remove_duplicates_from_sorted_array/rm_dup.c

diff --git a/026_remove_duplicates_from_sorted_array/Makefile b/026_remove_duplicates_from_sorted_array/Makefile
new file mode 100644
index 0000000..5cf5932
--- /dev/null
+++ b/026_remove_duplicates_from_sorted_array/Makefile
@@ -0,0 +1,2 @@
+all:
+	gcc -O2 -o test rm_dup.c
diff --git a/026_remove_duplicates_from_sorted_array/rm_dup.c b/026_remove_duplicates_from_sorted_array/rm_dup.c
new file mode 100644
index 0000000..092b457
--- /dev/null
+++ b/026_remove_duplicates_from_sorted_array/rm_dup.c
@@ -0,0 +1,36 @@
+#include <stdio.h>
+#include <stdlib.h>
+
+static int removeDuplicates(int* nums, int numsSize)
+{
+    if (numsSize <= 1) {
+        return numsSize;
+    }
+
+    int i = 0, j, count = 1;
+    while (i < numsSize) {
+        for (j = i + 1; j < numsSize && nums[i] == nums[j]; j++) {}
+        if (j < numsSize) {
+            nums[count++] = nums[j];
+        }
+        i = j;
+    }
+
+    return count;
+}
+
+int main(int argc, char **argv)
+{
+    int i, size = argc - 1;
+    int *nums = malloc(size * sizeof(int));
+    for (i = 0; i < argc - 1; i++) {
+        nums[i] = atoi(argv[i + 1]);
+    }
+
+    int count = removeDuplicates(nums, size);
+    for (i = 0; i < count; i++) {
+        printf("%d ", nums[i]);
+    }
+    printf("\n");
+    return 0;
+}