Compilare: user.cpp:93:32: warning: ‘typedef’ was ignored in this declaration typedef struct LM{int lin, col;}; ^ user.cpp:105:2: warning: ‘typedef’ was ignored in this declaration }; ^ user.cpp: In function ‘void Lee()’: user.cpp:156:13: warning: unused variable ‘i’ [-Wunused-variable] int r,c,i,j; ^ user.cpp: In function ‘void solve()’: user.cpp:150:14: warning: ‘ans’ may be used uninitialized in this function [-Wmaybe-uninitialized] fout<<ans; ^