Create Solution.java

Author: Jerring

solution/1155.Number of Dice Rolls With Target Sum/Solution.java

@@ -0,0 +1,14 @@
+class Solution {
+    public int numRollsToTarget(int d, int f, int target) {
+        int[] dp = new int[target + 1];
+        dp[0] = 1;
+        for (int i = 1; i <= d; ++i) {
+            for (int j = target; j >= 1; --j) {
+                for (int k = 1; k <= f && k <= j; ++k) {
+                    dp[j] = (dp[j] + dp[j - k]) % 1000000007;
+                }
+            }
+        }
+        return dp[target];
+    }
+}