Compilare: main.cpp: In function 'int main()': main.cpp:51:20: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (i=0; i<strlen(z); i++) ~^~~~~~~~~~ main.cpp:102:20: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (i=0; i<strlen(z); i++) ~^~~~~~~~~~ main.cpp:36:40: warning: 'outCoord.coord::c' may be used uninitialized in this function [-Wmaybe-uninitialized] coord v[1000],poz,x[40000],inCoord,outCoord; ^~~~~~~~ main.cpp:36:40: warning: 'outCoord.coord::l' may be used uninitialized in this function [-Wmaybe-uninitialized] main.cpp:36:32: warning: 'inCoord.coord::c' may be used uninitialized in this function [-Wmaybe-uninitialized] coord v[1000],poz,x[40000],inCoord,outCoord; ^~~~~~~ main.cpp:36:32: warning: 'inCoord.coord::l' may be used uninitialized in this function [-Wmaybe-uninitialized]