Compilare: user.cpp:98:3: warning: no newline at end of file user.cpp: In function 'void solve(int)': user.cpp:57: warning: unused variable 'j' user.cpp: In function 'int main()': user.cpp:91: warning: format '%.6lf' expects type 'double', but argument 2 has type 'int' user.cpp:87: warning: unused variable 'j' user.cpp: In function 'int find(int)': user.cpp:38: warning: control reaches end of non-void function