Compilare: main.cpp: In function 'void normalize()': main.cpp:32:19: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i = 0;i < v.size(); i++) { ~~^~~~~~~~~~ main.cpp:41:19: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i = 0;i < q.size(); i++) ~~^~~~~~~~~~ main.cpp:43:19: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i = 0;i < v.size(); i++) ~~^~~~~~~~~~ main.cpp: In function 'int main()': main.cpp:85:20: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i = 0; i < v.size(); i++) ~~^~~~~~~~~~