init

greed/581.h

@@ -0,0 +1,20 @@
+#include <limits.h>
+
+int findUnsortedSubarray(int* nums, int numsSize) {
+    int n = numsSize;
+    int maxn = INT_MIN, right = -1;
+    int minn = INT_MAX, left = -1;
+    for (int i = 0; i < n; i++) {
+        if (maxn > nums[i]) {
+            right = i;
+        } else {
+            maxn = nums[i];
+        }
+        if (minn < nums[n - i - 1]) {
+            left = n - i - 1;
+        } else {
+            minn = nums[n - i - 1];
+        }
+    }
+    return right == -1 ? 0 : right - left + 1;
+}