Compilare: user.cpp: In function ‘void SolveLine()’: user.cpp:6:7: warning: unused variable ‘ans’ [-Wunused-variable] { int ans=0,i,j,x; ^ user.cpp: In function ‘void SolveCol()’: user.cpp:17:7: warning: unused variable ‘ans’ [-Wunused-variable] { int ans=0,i,j,y; ^ user.cpp: In function ‘void Parse()’: user.cpp:28:14: warning: deleting array ‘lastlin’ [enabled by default] delete[] lastlin; ^ user.cpp:29:14: warning: deleting array ‘lastcol’ [enabled by default] delete[] lastcol; ^ user.cpp:27:9: warning: variable ‘len’ set but not used [-Wunused-but-set-variable] { int i,len,k=0,x,y; ^ user.cpp: In function ‘int main()’: user.cpp:46:18: warning: unused variable ‘x’ [-Wunused-variable] { int i,j,k; int x,y; ^ user.cpp:46:20: warning: unused variable ‘y’ [-Wunused-variable] { int i,j,k; int x,y; ^