Compilare: user.cpp:55: warning: this decimal constant is unsigned only in ISO C90 user.cpp:78: warning: this decimal constant is unsigned only in ISO C90 user.cpp:101: warning: this decimal constant is unsigned only in ISO C90 user.cpp:152: warning: this decimal constant is unsigned only in ISO C90 user.cpp: In function 'unsigned int drum2(int, int, int)': user.cpp:53: warning: unused variable 'dist' user.cpp: In function 'void drum(int, int)': user.cpp:90: warning: comparison between signed and unsigned integer expressions user.cpp:76: warning: unused variable 'dist' user.cpp: In function 'void solve()': user.cpp:103: warning: comparison between signed and unsigned integer expressions user.cpp:118: warning: comparison between signed and unsigned integer expressions user.cpp: In function 'int main()': user.cpp:144: warning: comparison between signed and unsigned integer expressions