refactor: refactor project structure

legacy/2438 ProductQueries/C#/Program.cs

@@ -0,0 +1,69 @@
+using System;
+
+public class Solution
+{
+    public int[] ProductQueries(int n, int[][] queries)
+    {
+        // 1. n => calculate in powers of 2
+        // 2. get number array without 0
+        var powers = CalPower(n);
+
+        return CalQueries(powers, queries);
+
+    }
+
+    private int[] CalPower(int n)
+    {
+        var result = new List<int>();
+
+        while (n > 0)
+        {
+            var num = n % 2;
+            result.Add(num);
+            n /= 2;
+        }
+
+        var newResult = new List<int>();
+        for (var i = 0; i < result.Count; i++)
+        {
+            if (result[i] != 0)
+            {
+                var ans = (int)Math.Pow(2, i);
+                newResult.Add(ans);
+            }
+        }
+        return newResult.ToArray();
+    }
+
+    private int[] CalQueries(int[] powers, int[][] queries)
+    {
+        const int MOD = 1000000007;
+        var result = new List<int>();
+
+        foreach (var query in queries)
+        {
+            long count = 1;
+            for (var i = query[0]; i <= query[1]; i++)
+            {
+                count = (count * powers[i]) % MOD;
+            }
+            result.Add(count);
+        }
+
+        return result.ToArray();
+    }
+}
+
+class Program
+{
+    static void Main()
+    {
+        var Solution = new Solution();
+
+        var ans = Solution.ProductQueries(15, [[0, 1], [2, 2], [0, 3]]);
+        Console.WriteLine(string.Join(", ", ans));
+
+        ans = Solution.ProductQueries(919, [[5,5],[4,4],[0,1],[1,5],[4,6],[6,6],[5,6],[0,3],[5,5],[5,6],[1,2],[3,5],[3,6],[5,5],[4,4],[1,1],[2,4],[4,5],[4,4],[5,6],[0,4],[3,3],[0,4],[0,5],[4,4],[5,5],[4,6],[4,5],[0,4],[6,6],[6,6],[6,6],[2,2],[0,5],[1,4],[0,3],[2,4],[5,5],[6,6],[2,2],[2,3],[5,5],[0,6],[3,3],[6,6],[4,4],[0,0],[0,2],[6,6],[6,6],[3,6],[0,4],[6,6],[2,2],[4,6]]);
+         Console.WriteLine(string.Join(", ", ans));
+    }
+}