Create Solution.java

Author: Jerring

solution/0829.Consecutive Numbers Sum/Solution.java

@@ -0,0 +1,11 @@
+class Solution {
+    public int consecutiveNumbersSum(int N) {
+        int res = 0;
+        for (int i = 1; i * (i - 1) / 2 < N; ++i) {
+            if ((N - i * (i - 1) / 2) % i == 0) {
+                ++res;
+            }
+        }
+        return res;
+    }
+}