Compilare: main.cpp: In function 'void sort_point(std::vector<int>)': main.cpp:39:19: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(i = 1 ; i < vec.size() ; i++) ~~^~~~~~~~~~~~ main.cpp: In function 'void make_components(int, int, int, std::vector<int>)': main.cpp:58:31: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(i = 0 ; i < vec.size() ; i++) ~~^~~~~~~~~~~~ main.cpp:63:22: warning: statement has no effect [-Wunused-value] for(i; i < vec.size() ; i++) ^ main.cpp:63:26: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(i; i < vec.size() ; i++) ~~^~~~~~~~~~~~ main.cpp: In function 'int inside(int, int)': main.cpp:71:23: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i = 0 ; i < comp.size() ; i++){ ~~^~~~~~~~~~~~~ main.cpp:72:29: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i2 = 0 ; i2 < comp[i].size() - 1 ; i2++) ~~~^~~~~~~~~~~~~~~~~~~~ main.cpp:73:38: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i3 = i2 + 1 ; i3 < comp[i].size() ; i3++) ~~~^~~~~~~~~~~~~~~~