Compilare: main.cpp: In function 'void Bordare()': main.cpp:26:11: warning: unused variable 'j' [-Wunused-variable] int i,j; ^ main.cpp: In function 'void Lee()': main.cpp:35:10: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if (x==strlen(Dir)+1) ~^~~~~~~~~~~~~~~ main.cpp:34:9: warning: unused variable 'q' [-Wunused-variable] int q,x1,x2,i,j; ^ main.cpp:34:17: warning: unused variable 'i' [-Wunused-variable] int q,x1,x2,i,j; ^ main.cpp:34:19: warning: unused variable 'j' [-Wunused-variable] int q,x1,x2,i,j; ^ main.cpp: In function 'int main()': main.cpp:79:21: warning: 'ys' may be used uninitialized in this function [-Wmaybe-uninitialized] Q.push(make_pair(0,make_pair(xs,ys))); ~~~~~~~~~^~~~~~~~~~~~~~~~~~~~ main.cpp:79:21: warning: 'xs' may be used uninitialized in this function [-Wmaybe-uninitialized]