triunghi5.cpp: In function 'Point lineInt(Point, Point, Point, Point)': triunghi5.cpp:68: warning: extended initializer lists only available with -std=c++0x or -std=gnu++0x triunghi5.cpp: In function 'void convHull(int, int)': triunghi5.cpp:113: warning: extended initializer lists only available with -std=c++0x or -std=gnu++0x triunghi5.cpp:114: warning: extended initializer lists only available with -std=c++0x or -std=gnu++0x triunghi5.cpp: In function 'int main()': triunghi5.cpp:133: warning: extended initializer lists only available with -std=c++0x or -std=gnu++0x triunghi5.cpp:133: warning: extended initializer lists only available with -std=c++0x or -std=gnu++0x triunghi5.cpp:137: warning: extended initializer lists only available with -std=c++0x or -std=gnu++0x triunghi5.cpp:137: warning: extended initializer lists only available with -std=c++0x or -std=gnu++0x triunghi5.cpp:123: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result triunghi5.cpp:126: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result triunghi5.cpp: In function 'Point lineInt(Point, Point, Point, Point)': triunghi5.cpp:75: warning: 'p.Point::id' may be used uninitialized in this function