Compilare: main.cpp: In function 'int check(std::vector<char>, int, int)': main.cpp:22:12: warning: variable 'n' set but not used [-Wunused-but-set-variable] int i, n; ^ main.cpp: In function 'int main()': main.cpp:45:13: warning: unused variable 'k' [-Wunused-variable] int n,i,k; ^ main.cpp:47:10: warning: unused variable 'a' [-Wunused-variable] char a[256]; ^ main.cpp:54:9: warning: variable 's' set but not used [-Wunused-but-set-variable] int s, f,j, Max=0; ^ main.cpp:54:12: warning: variable 'f' set but not used [-Wunused-but-set-variable] int s, f,j, Max=0; ^