Compilare: user.cpp: In function ‘ll brute()’: user.cpp:131:8: warning: unused variable ‘sol’ [-Wunused-variable] ll sol = ( 1LL << 60 ), sum1, sum2, sum3; ^ user.cpp:131:29: warning: unused variable ‘sum1’ [-Wunused-variable] ll sol = ( 1LL << 60 ), sum1, sum2, sum3; ^ user.cpp:131:35: warning: unused variable ‘sum2’ [-Wunused-variable] ll sol = ( 1LL << 60 ), sum1, sum2, sum3; ^ user.cpp:131:41: warning: unused variable ‘sum3’ [-Wunused-variable] ll sol = ( 1LL << 60 ), sum1, sum2, sum3; ^ user.cpp:132:9: warning: unused variable ‘xS’ [-Wunused-variable] int xS = 0, yS = 0; ^ user.cpp:132:17: warning: unused variable ‘yS’ [-Wunused-variable] int xS = 0, yS = 0; ^ user.cpp:141:1: warning: no return statement in function returning non-void [-Wreturn-type] } ^