From 0eafe8a8b7378e5f88ec2981361bae97975e4fbd Mon Sep 17 00:00:00 2001
From: Nattapat <Tatsuya10199@gmail.com>
Date: Sun, 7 Oct 2018 04:48:55 +0700
Subject: [PATCH] Add TimSort implement with C

---
 Sorting/timSort/c/tim-sort.c | 99 ++++++++++++++++++++++++++++++++++++
 1 file changed, 99 insertions(+)
 create mode 100644 Sorting/timSort/c/tim-sort.c

diff --git a/Sorting/timSort/c/tim-sort.c b/Sorting/timSort/c/tim-sort.c
new file mode 100644
index 000000000..c88f965d5
--- /dev/null
+++ b/Sorting/timSort/c/tim-sort.c
@@ -0,0 +1,99 @@
+#include <stdio.h>
+#include <stdlib.h>
+
+const int RUN = 32; 
+
+int MIN(int a ,int b) {
+    return (a > b) ? b : a;
+}
+void insertionSort(int arr[], int left, int right) 
+{ 
+	for (int i = left + 1; i <= right; i++) 
+	{ 
+		int temp = arr[i]; 
+		int j = i - 1; 
+		while (arr[j] > temp && j >= left) 
+		{ 
+			arr[j+1] = arr[j]; 
+			j--; 
+		} 
+		arr[j+1] = temp; 
+	} 
+} 
+
+void merge(int arr[], int l, int m, int r) 
+{ 
+	int len1 = m - l + 1, len2 = r - m; 
+	int left[len1], right[len2]; 
+	for (int i = 0; i < len1; i++) 
+		left[i] = arr[l + i]; 
+	for (int i = 0; i < len2; i++) 
+		right[i] = arr[m + 1 + i]; 
+
+	int i = 0; 
+	int j = 0; 
+	int k = l; 
+	while (i < len1 && j < len2) 
+	{ 
+		if (left[i] <= right[j]) 
+		{ 
+			arr[k] = left[i]; 
+			i++; 
+		} 
+		else
+		{ 
+			arr[k] = right[j]; 
+			j++; 
+		} 
+		k++; 
+	} 
+
+	while (i < len1) 
+	{ 
+		arr[k] = left[i]; 
+		k++; 
+		i++; 
+	} 
+
+	while (j < len2) 
+	{ 
+		arr[k] = right[j]; 
+		k++; 
+		j++; 
+	} 
+} 
+
+void timSort(int arr[], int n) 
+{  
+	for (int i = 0; i < n; i+=RUN) 
+		insertionSort(arr, i, MIN((i+31), (n-1))); 
+	for (int size = RUN; size < n; size = 2*size) 
+	{ 
+		for (int left = 0; left < n; left += 2*size) 
+		{ 
+			int mid = left + size - 1; 
+			int right = MIN((left + 2*size - 1), (n-1)); 
+			merge(arr, left, mid, right); 
+		} 
+	} 
+} 
+void printArray(int arr[], int n) 
+{ 
+	for (int i = 0; i < n; i++) 
+		printf("%d ", arr[i]); 
+	printf("\n"); 
+} 
+
+int main() 
+{ 
+	int arr[] = {5, 21, 7, 23, 19}; 
+	int n = sizeof(arr)/sizeof(arr[0]); 
+	printf("Given Array is\n"); 
+	printArray(arr, n); 
+
+	timSort(arr, n); 
+
+	printf("After Sorting Array is\n"); 
+	printArray(arr, n); 
+	return 0; 
+}