Eroare de compilare: main.c: In function 'main': main.c:11:5: error: unknown type name 'Deque' 11 | Deque* v = createDeque(n); | ^~~~~ main.c:11:16: warning: implicit declaration of function 'createDeque' [-Wimplicit-function-declaration] 11 | Deque* v = createDeque(n); | ^~~~~~~~~~~ main.c:11:16: warning: initialization of 'int *' from 'int' makes pointer from integer without a cast [-Wint-conversion] main.c:14:17: warning: implicit declaration of function 'isDequeEmpty' [-Wimplicit-function-declaration] 14 | while (!isDequeEmpty(v) && back(v).first > a) | ^~~~~~~~~~~~ main.c:14:36: warning: implicit declaration of function 'back' [-Wimplicit-function-declaration] 14 | while (!isDequeEmpty(v) && back(v).first > a) | ^~~~ main.c:14:43: error: request for member 'first' in something not a structure or union 14 | while (!isDequeEmpty(v) && back(v).first > a) | ^ main.c:15:13: warning: implicit declaration of function 'popBack' [-Wimplicit-function-declaration] 15 | popBack(v); | ^~~~~~~ main.c:16:9: error: unknown type name 'Pair' 16 | Pair item; | ^~~~ main.c:17:13: error: request for member 'first' in something not a structure or union 17 | item.first = a; | ^ main.c:18:13: error: request for member 'second' in something not a structure or union 18 | item.second = i; | ^ main.c:19:9: warning: implicit declaration of function 'pushBack' [-Wimplicit-function-declaration] 19 | pushBack(v, item); | ^~~~~~~~ main.c:20:13: warning: implicit declaration of function 'front' [-Wimplicit-function-declaration] 20 | if (front(v).second + k == i) | ^~~~~ main.c:20:21: error: request for member 'second' in something not a structure or union 20 | if (front(v).second + k == i) | ^ main.c:21:13: warning: implicit declaration of function 'popFront' [-Wimplicit-function-declaration] 21 | popFront(v); | ^~~~~~~~ main.c:23:29: error: request for member 'first' in something not a structure or union 23 | suma += front(v).first; | ^ main.c:29:5: warning: implicit declaration of function 'destroyDeque' [-Wimplicit-function-declaration] 29 | destroyDeque(v); | ^~~~~~~~~~~~ Non zero exit status: 1