Merge branch 'master' of https://github.com/begeekmyfriend/leetcode

Author: begeekmyfriend

215_kth_largest_element_in_an_array/Makefile

@@ -0,0 +1,2 @@
+all:
+	gcc -O2 -o test kth_elem.c

215_kth_largest_element_in_an_array/kth_elem.c

@@ -0,0 +1,29 @@
+#include <stdio.h>
+#include <stdlib.h>
+
+static int compare(const void *a, const void *b)
+{
+    return *(int *) a - *(int *) b;
+}
+
+int findKthLargest(int* nums, int numsSize, int k) {
+    qsort(nums, numsSize, sizeof(int), compare);
+    return nums[numsSize - k];
+}
+
+
+int main(int argc, char **argv)
+{
+    if (argc < 3) {
+        fprintf(stderr, "Usage: ./test k n1 n2...\n");
+        exit(-1);
+    }
+
+    int i, count = argc - 2;
+    int *nums = malloc(count * sizeof(int));
+    for (i = 0; i < count; i++) {
+        nums[i] = atoi(argv[i + 2]);
+    }
+    printf("%d\n", findKthLargest(nums, count, atoi(argv[1])));
+    return 0;
+}