View Compilation Error

0_0_30536647_29508.cpp:9:1: error: 'll' does not name a type
 ll ans = 0;
 ^
0_0_30536647_29508.cpp: In function 'void mergeSort(int, int)':
0_0_30536647_29508.cpp:26:13: error: 'ans' was not declared in this scope
             ans += q - mid;
             ^
0_0_30536647_29508.cpp: In function 'int main()':
0_0_30536647_29508.cpp:40:9: error: 'ans' was not declared in this scope
         ans = 0;
         ^