Compilare: main.cpp: In function 'int rot(int&)': main.cpp:24:21: warning: variable 'a' set but not used [-Wunused-but-set-variable] long long sum=0,a=0; ^ main.cpp: In function 'int pat(int&)': main.cpp:42:20: warning: variable 'a' set but not used [-Wunused-but-set-variable] long long sum=0,a=0; ^ main.cpp:43:8: warning: unused variable 'v' [-Wunused-variable] int v[100005]; ^ main.cpp: In function 'int rez()': main.cpp:77:1: warning: no return statement in function returning non-void [-Wreturn-type] } ^