View Compilation Error

0_0_21067559_17824.cpp:45:1: error: 'LL' does not name a type
 LL ans;
 ^
0_0_21067559_17824.cpp: In function 'int main()':
0_0_21067559_17824.cpp:70:13: error: 'ans' was not declared in this scope
             ans = 0;
             ^