Compilare: user.cpp: In function ‘int ch()’: user.cpp:9:9: warning: unused variable ‘nr’ [-Wunused-variable] int nr=0; ^ user.cpp:15:1: warning: no return statement in function returning non-void [-Wreturn-type] } ^ user.cpp: In function ‘int main()’: user.cpp:41:26: warning: format ‘%d’ expects argument of type ‘int*’, but argument 2 has type ‘long long int*’ [-Wformat=] scanf("%d",&ss[i]); ^ user.cpp:57:31: warning: format ‘%lld’ expects argument of type ‘long long int*’, but argument 2 has type ‘int*’ [-Wformat=] scanf("%lld%lld",&x,&y); ^ user.cpp:57:31: warning: format ‘%lld’ expects argument of type ‘long long int*’, but argument 3 has type ‘int*’ [-Wformat=] user.cpp:36:19: warning: unused variable ‘j’ [-Wunused-variable] long long m,i,j,s=0,sol1; ^