View Compilation Error

0_0_17959153_982.cpp:89:1: error: 'll' does not name a type
 ll x;
 ^
0_0_17959153_982.cpp: In function 'int main()':
0_0_17959153_982.cpp:102:28: error: 'x' was not declared in this scope
             scanf("%I64d",&x);
                            ^