Compilare: main.cpp: In function 'void Read()': main.cpp:151:23: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (i = 0; i < eulcycle.size(); i++) ~~^~~~~~~~~~~~~~~~~ main.cpp:57:26: warning: 'posy' may be used uninitialized in this function [-Wmaybe-uninitialized] return (x - 1) * m + y; ^ main.cpp:120:29: note: 'posy' was declared here int mindist = oo, posx, posy, x1, y1; ^~~~ main.cpp:57:15: warning: 'posx' may be used uninitialized in this function [-Wmaybe-uninitialized] return (x - 1) * m + y; ~~~^~~~ main.cpp:120:23: note: 'posx' was declared here int mindist = oo, posx, posy, x1, y1; ^~~~