Compilare: main.cpp: In function 'int main()': main.cpp:37:26: warning: unused variable 'x' [-Wunused-variable] for(auto x:zeap){ ^ main.cpp:9:23: warning: 'b' may be used uninitialized in this function [-Wmaybe-uninitialized] int val,count=0,a,b; ^ main.cpp:9:21: warning: 'a' may be used uninitialized in this function [-Wmaybe-uninitialized] int val,count=0,a,b; ^