Compilare: main.cpp: In function 'int main()': main.cpp:63:9: warning: this 'if' clause does not guard... [-Wmisleading-indentation] if(poz!=n) ^~ main.cpp:67:10: note: ...this statement, but the latter is misleadingly indented as if it is guarded by the 'if' for(int i=1;i<pasi-save&&myset.empty()==0;i++) ^~~ main.cpp:63:11: warning: suggest explicit braces to avoid ambiguous 'else' [-Wparentheses] if(poz!=n) ^ main.cpp:14:15: warning: unused variable 'a' [-Wunused-variable] int n,x,l,a,b; ^ main.cpp:14:17: warning: unused variable 'b' [-Wunused-variable] int n,x,l,a,b; ^ main.cpp:47:5: warning: 'poz' may be used uninitialized in this function [-Wmaybe-uninitialized] if(poz == n) ^~