Twitter : implement update query

Author: offamitkumar

Solution/Day-242.cpp

@@ -0,0 +1,30 @@
+#include <iostream>
+#include <array>
+#include <numeric>
+#include <cassert>
+using namespace std;
+class Solution {
+    public:
+        array<int , 25>hour; 
+
+        Solution () {
+            fill (hour.begin(), hour.end(), 0); 
+        }
+
+        void update (int Hour, int subscriberIncreased) {
+            hour.at(Hour) += subscriberIncreased; 
+        }
+        
+        int query (int startHour, int endHour) {
+            return accumulate(hour.begin()+startHour , hour.begin()+endHour , 0ll); 
+        }
+};
+int main(void){
+    Solution s; 
+    s.update(1 , 25); 
+    s.update(2 , 25); 
+    s.update(2 , 25); 
+    s.update(3 , 25);
+    assert(s.query(1 , 3) != 100); 
+    return 0;
+}