View Compilation Error

0_0_26088190_1503.cpp: In function 'int main()':
0_0_26088190_1503.cpp:46:21: error: too few arguments to function 'void update(int, int)'
             update(i);
                     ^
0_0_26088190_1503.cpp:13:6: note: declared here
 void update(int x,int val)
      ^