Compilare: user.cpp: In function ‘int main()’: user.cpp:21:21: warning: format ‘%d’ expects argument of type ‘int*’, but argument 3 has type ‘short int*’ [-Wformat=] fscanf(fr, "%d", &t); ^ user.cpp:31:22: warning: format ‘%d’ expects argument of type ‘int*’, but argument 3 has type ‘short int*’ [-Wformat=] fscanf(fr, "%d", &n); ^ user.cpp:45:6: warning: suggest explicit braces to avoid ambiguous ‘else’ [-Wparentheses] if(tip[0]=='c') ^ user.cpp:51:13: warning: attempt to free a non-heap object ‘tip’ [-Wfree-nonheap-object] free(tip); ^