Compilare: user.cpp:125:2: warning: no newline at end of file user.cpp:12: warning: non-local variable '<anonymous struct> line [2000105]' uses anonymous type user.cpp: In function 'void read()': user.cpp:24: warning: unused variable 'x' user.cpp: In function 'void solve(int, int)': user.cpp:99: warning: comparison between signed and unsigned integer expressions user.cpp:108: warning: comparison between signed and unsigned integer expressions