horses.cpp: In function 'int updateX(int, int)':
horses.cpp:16:17: warning: unused parameter 'pos' [-Wunused-parameter]
 int updateX(int pos, int val) { 
                 ^~~
horses.cpp:16:26: warning: unused parameter 'val' [-Wunused-parameter]
 int updateX(int pos, int val) { 
                          ^~~
horses.cpp: In function 'int updateY(int, int)':
horses.cpp:20:17: warning: unused parameter 'pos' [-Wunused-parameter]
 int updateY(int pos, int val) {
                 ^~~
horses.cpp:20:26: warning: unused parameter 'val' [-Wunused-parameter]
 int updateY(int pos, int val) {
                          ^~~