Eroare de compilare: user.cpp: In function ‘int main()’: user.cpp:23:41: error: ‘malloc’ was not declared in this scope A = (int**) malloc((n+1) * sizeof(int *)); ^ user.cpp:28:37: error: ‘calloc’ was not declared in this scope A[i] = (int *) calloc(1,sizeof(int)); ^ user.cpp:37:52: error: ‘realloc’ was not declared in this scope A[x]=(int*)realloc(A[x],(A[x][0]+1)*sizeof(int)); ^