View Compilation Error

0_0_38308608_26320.cpp:9:5: error: conflicting declaration 'int n'
 int n;
     ^
0_0_38308608_26320.cpp:6:11: note: previous declaration as 'const int n'
 const int n = 1e5 + 10;
           ^
0_0_38308608_26320.cpp: In function 'll get_sum(ll, ll)':
0_0_38308608_26320.cpp:13:9: error: declaration of 'int l' shadows a parameter
     int l = 1, r = 1;
         ^
0_0_38308608_26320.cpp:13:16: error: declaration of 'int r' shadows a parameter
     int l = 1, r = 1;
                ^