Compilare: main.cpp: In function 'int main()': main.cpp:13:11: warning: unused variable 'poz' [-Wunused-variable] int n,poz=0,k,maxx=-2000000000,minn=2000000000,poz1,poz2; ^~~ main.cpp:13:17: warning: unused variable 'k' [-Wunused-variable] int n,poz=0,k,maxx=-2000000000,minn=2000000000,poz1,poz2; ^ main.cpp:35:37: warning: 'poz2' may be used uninitialized in this function [-Wmaybe-uninitialized] fout<<maxx<<" "<<poz1<<" "<<poz2; ^ main.cpp:35:28: warning: 'poz1' may be used uninitialized in this function [-Wmaybe-uninitialized] fout<<maxx<<" "<<poz1<<" "<<poz2; ^~~