Compilare: user.cpp: In function ‘void desc(ll)’: user.cpp:20:25: warning: narrowing conversion of ‘o’ from ‘ll {aka long long int}’ to ‘int’ inside { } [-Wnarrowing] v . pb ({o , nr}); ^ user.cpp:24:24: warning: narrowing conversion of ‘a’ from ‘ll {aka long long int}’ to ‘int’ inside { } [-Wnarrowing] v . pb ({a , 1}); ^ user.cpp: In function ‘bool check(ll)’: user.cpp:32:36: warning: unused variable ‘c’ [-Wunused-variable] ll b = v [i] . x , r = 0 , c = a; ^