Compilare: user.cpp: In function ‘int main()’: user.cpp:83:24: warning: suggest parentheses around ‘-’ inside ‘<<’ [-Wparentheses] fout<<maxo?maxo:1-1<<'\n'; ^ user.cpp:83:30: warning: second operand of conditional expression has no effect [-Wunused-value] fout<<maxo?maxo:1-1<<'\n'; ^ user.cpp:83:30: warning: third operand of conditional expression has no effect [-Wunused-value]