Compilare: main.cpp: In function 'int main()': main.cpp:25:9: warning: variable 'prec' set but not used [-Wunused-but-set-variable] 25 | int prec=1,cur; | ^~~~ main.cpp:41:20: warning: 'cur' may be used uninitialized [-Wmaybe-uninitialized] 41 | fout<<cur<<" "; | ^~~ main.cpp:25:16: note: 'cur' was declared here 25 | int prec=1,cur; | ^~~