Eroare de compilare: main.c:2:7: error: 'maxn' undeclared here (not in a function) 2 | int A[maxn]; | ^~~~ main.c: In function 'main': main.c:9:5: warning: implicit declaration of function 'freopen' [-Wimplicit-function-declaration] 9 | freopen ("xormax.in", "rt", stdin); | ^~~~~~~ main.c:9:33: error: 'stdin' undeclared (first use in this function) 9 | freopen ("xormax.in", "rt", stdin); | ^~~~~ main.c:1:1: note: 'stdin' is defined in header '<stdio.h>'; did you forget to '#include <stdio.h>'? +++ |+#include <stdio.h> 1 | int N; main.c:9:33: note: each undeclared identifier is reported only once for each function it appears in 9 | freopen ("xormax.in", "rt", stdin); | ^~~~~ main.c:10:34: error: 'stdout' undeclared (first use in this function) 10 | freopen ("xormax.out", "wt", stdout); | ^~~~~~ main.c:10:34: note: 'stdout' is defined in header '<stdio.h>'; did you forget to '#include <stdio.h>'? main.c:13:5: warning: implicit declaration of function 'scanf' [-Wimplicit-function-declaration] 13 | scanf ("%d", &N); | ^~~~~ main.c:13:5: note: include '<stdio.h>' or provide a declaration of 'scanf' main.c:13:5: warning: incompatible implicit declaration of built-in function 'scanf' [-Wbuiltin-declaration-mismatch] main.c:13:5: note: include '<stdio.h>' or provide a declaration of 'scanf' main.c:37:5: warning: implicit declaration of function 'printf' [-Wimplicit-function-declaration] 37 | printf ("%d %d %d\n", best_y, best_start + 1, best_end + 1); | ^~~~~~ main.c:37:5: note: include '<stdio.h>' or provide a declaration of 'printf' main.c:37:5: warning: incompatible implicit declaration of built-in function 'printf' [-Wbuiltin-declaration-mismatch] main.c:37:5: note: include '<stdio.h>' or provide a declaration of 'printf' Non zero exit status: 1