Update distinct-subsequences-ii.cpp

Author: kamyu104

C++/distinct-subsequences-ii.cpp

@@ -9,7 +9,7 @@ class Solution {
         int result = 0;  // sum of dp
         for (const auto& c : S) {
             const int delta = (result + 1 - dp[c - 'a'] + MOD) % MOD;
-            tie(result, dp[c - 'a']) = pair((result + delta) % MOD, result + 1);
+            tie(result, dp[c - 'a']) = pair((result + delta) % MOD, (result + 1) % MOD);
         }
         return result;
     }