View Compilation Error

0_0_32800841_11212.cpp:214:9: error: '::main' must return 'int'
 ll main(){
         ^
0_0_32800841_11212.cpp: In function 'int main()':
0_0_32800841_11212.cpp:224:26: error: 'prllf' was not declared in this scope
         prllf("%d\n",E[n]);
                          ^