View Compilation Error

0_0_20998764_9986.cpp:2:1: error: 'vector' does not name a type
 vector<LL>a;  
 ^
0_0_20998764_9986.cpp:3:13: error: 'LL' was not declared in this scope
 bool g_test(LL g,LL p)  
             ^
0_0_20998764_9986.cpp:3:18: error: 'LL' was not declared in this scope
 bool g_test(LL g,LL p)  
                  ^
0_0_20998764_9986.cpp:3:22: error: expression list treated as compound expression in initializer [-fpermissive]
 bool g_test(LL g,LL p)  
                      ^
0_0_20998764_9986.cpp:4:1: error: expected ',' or ';' before '{' token
 {  
 ^