message: Update minimum-money-required-before-transactions.cpp
diff: @@ -10,6 +10,7 @@ public:
  last = max(last, static_cast<int64_t>(t[0] - max(t[0] - t[1], 0))); // t[0] - max(t[0] - t[1], 0) == min(t[0], t[1])
  result += max(t[0] - t[1], 0);
  }
  - return result + last;
  + result += last;
  + return result;
  }
  };
  