Compilare: user.cpp:99:3: warning: no newline at end of file user.cpp: In function 'void solve(int)': user.cpp:58: warning: unused variable 'j' user.cpp: In function 'int main()': user.cpp:92: warning: format '%.6lf' expects type 'double', but argument 2 has type 'int' user.cpp:88: warning: unused variable 'j' user.cpp: In function 'int find(int)': user.cpp:39: warning: control reaches end of non-void function