View Compilation Error

0_0_32278432_12643.cpp:2:15: error: variable or field 'exp_gcd' declared void
 void exp_gcd( LL a ,LL b,LL &x,LL &y) {
               ^
0_0_32278432_12643.cpp:2:15: error: 'LL' was not declared in this scope
0_0_32278432_12643.cpp:2:21: error: 'LL' was not declared in this scope
 void exp_gcd( LL a ,LL b,LL &x,LL &y) {
                     ^
0_0_32278432_12643.cpp:2:26: error: 'LL' was not declared in this scope
 void exp_gcd( LL a ,LL b,LL &x,LL &y) {
                          ^
0_0_32278432_12643.cpp:2:30: error: 'x' was not declared in this scope
 void exp_gcd( LL a ,LL b,LL &x,LL &y) {
                              ^
0_0_32278432_12643.cpp:2:32: error: 'LL' was not declared in this scope
 void exp_gcd( LL a ,LL b,LL &x,LL &y) {
                                ^
0_0_32278432_12643.cpp:2:36: error: 'y' was not declared in this scope
 void exp_gcd( LL a ,LL b,LL &x,LL &y) {
                                    ^