Compilare: user.cpp: In function ‘void myNorm()’: user.cpp:26:36: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int it = 0; it < Norm.size(); ++ it) ^ user.cpp: In function ‘int main()’: user.cpp:75:20: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d", &T); ^ user.cpp:80:24: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d", &N); ^ user.cpp:83:39: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] int x; scanf("%d", &x); ^