View Compilation Error

0_0_28848963_21201.cpp:1:1: error: 'LL' does not name a type
 LL P4[50];
 ^
0_0_28848963_21201.cpp:2:10: error: variable or field 'gao' declared void
 void gao(LL n,LL a,LL &x,LL &y){
          ^
0_0_28848963_21201.cpp:2:10: error: 'LL' was not declared in this scope
0_0_28848963_21201.cpp:2:15: error: 'LL' was not declared in this scope
 void gao(LL n,LL a,LL &x,LL &y){
               ^
0_0_28848963_21201.cpp:2:20: error: 'LL' was not declared in this scope
 void gao(LL n,LL a,LL &x,LL &y){
                    ^
0_0_28848963_21201.cpp:2:24: error: 'x' was not declared in this scope
 void gao(LL n,LL a,LL &x,LL &y){
                        ^
0_0_28848963_21201.cpp:2:26: error: 'LL' was not declared in this scope
 void gao(LL n,LL a,LL &x,LL &y){
                          ^
0_0_28848963_21201.cpp:2:30: error: 'y' was not declared in this scope
 void gao(LL n,LL a,LL &x,LL &y){
                              ^