Eroare de compilare: main.c:6:1: error: unknown type name 'bool' 6 | bool first = false; | ^~~~ main.c:5:1: note: 'bool' is defined in header '<stdbool.h>'; did you forget to '#include <stdbool.h>'? 4 | #include <math.h> +++ |+#include <stdbool.h> 5 | main.c:6:14: error: 'false' undeclared here (not in a function) 6 | bool first = false; | ^~~~~ main.c:6:14: note: 'false' is defined in header '<stdbool.h>'; did you forget to '#include <stdbool.h>'? main.c:12:1: error: unknown type name 'bool' 12 | bool notAttacking(int k) { | ^~~~ main.c:12:1: note: 'bool' is defined in header '<stdbool.h>'; did you forget to '#include <stdbool.h>'? main.c: In function 'notAttacking': main.c:14:36: warning: implicit declaration of function 'abs' [-Wimplicit-function-declaration] 14 | if(v[i] == v[k] || abs(i-k) == abs(v[i] - v[k])) return false; | ^~~ main.c:5:1: note: include '<stdlib.h>' or provide a declaration of 'abs' 4 | #include <math.h> +++ |+#include <stdlib.h> 5 | main.c:16:16: error: 'true' undeclared (first use in this function) 16 | return true; | ^~~~ main.c:16:16: note: 'true' is defined in header '<stdbool.h>'; did you forget to '#include <stdbool.h>'? main.c:16:16: note: each undeclared identifier is reported only once for each function it appears in main.c: In function 'solve': main.c:26:49: error: 'true' undeclared (first use in this function) 26 | first = true; | ^~~~ main.c:26:49: note: 'true' is defined in header '<stdbool.h>'; did you forget to '#include <stdbool.h>'? main.c: In function 'notAttacking': main.c:17:1: warning: control reaches end of non-void function [-Wreturn-type] 17 | } | ^ Non zero exit status: 1