Compilare: user.cpp: In function ‘int main()’: user.cpp:9:30: warning: format ‘%c’ expects argument of type ‘char*’, but argument 3 has type ‘int’ [-Wformat=] while(fscanf(stdin,"%c",v)){ ^ user.cpp:14:25: warning: suggest parentheses around assignment used as truth value [-Wparentheses] else if(trecut=0){ ^ user.cpp:9:30: warning: ‘v’ is used uninitialized in this function [-Wuninitialized] while(fscanf(stdin,"%c",v)){ ^