Compilare: main.cpp: In function 'int main()': main.cpp:29:15: warning: suggest explicit braces to avoid ambiguous 'else' [-Wparentheses] if(j>=2) ^ main.cpp:25:13: warning: unused variable 'mid' [-Wunused-variable] int mid=n/2+1; ^~~ main.cpp:9:13: warning: unused variable 'k' [-Wunused-variable] int n,m,k=1,ok,cnt=0,combo,max=1; ^ main.cpp:9:17: warning: variable 'ok' set but not used [-Wunused-but-set-variable] int n,m,k=1,ok,cnt=0,combo,max=1; ^~