Compilare: user.cpp: In function ‘int main()’: user.cpp:11:9: warning: unused variable ‘x’ [-Wunused-variable] int x=1,st1,dr1,m,st,dr; ^ user.cpp:11:21: warning: unused variable ‘m’ [-Wunused-variable] int x=1,st1,dr1,m,st,dr; ^ user.cpp:11:23: warning: unused variable ‘st’ [-Wunused-variable] int x=1,st1,dr1,m,st,dr; ^ user.cpp:11:26: warning: unused variable ‘dr’ [-Wunused-variable] int x=1,st1,dr1,m,st,dr; ^ user.cpp:18:24: warning: unused variable ‘sum’ [-Wunused-variable] long long s1,s2,s3,sum,maax=0,miin=1LL<<60,minm=1LL<<60; ^ user.cpp:42:18: warning: ‘dr1’ may be used uninitialized in this function [-Wmaybe-uninitialized] g<<st1<<" "<<dr1<<"\n"; ^ user.cpp:42:8: warning: ‘st1’ may be used uninitialized in this function [-Wmaybe-uninitialized] g<<st1<<" "<<dr1<<"\n"; ^