horses.cpp: In function 'int init(int, int*, int*)':
horses.cpp:16:9: warning: unused variable 'ans' [-Wunused-variable]
16 | int ans=0,cnt=1;
| ^~~
horses.cpp: In function 'int updateX(int, int)':
horses.cpp:35:17: warning: unused parameter 'pos' [-Wunused-parameter]
35 | int updateX(int pos,int val){
| ~~~~^~~
horses.cpp:35:25: warning: unused parameter 'val' [-Wunused-parameter]
35 | int updateX(int pos,int val){
| ~~~~^~~
horses.cpp: In function 'int updateY(int, int)':
horses.cpp:39:17: warning: unused parameter 'pos' [-Wunused-parameter]
39 | int updateY(int pos,int val){
| ~~~~^~~
horses.cpp:39:25: warning: unused parameter 'val' [-Wunused-parameter]
39 | int updateY(int pos,int val){
| ~~~~^~~
/usr/bin/ld: /tmp/ccN0UCWY.o: in function `main':
grader.c:(.text.startup+0x0): multiple definition of `main'; /tmp/ccLIxsKY.o:horses.cpp:(.text.startup+0x0): first defined here
collect2: error: ld returned 1 exit status