Compilare: user.cpp: In function ‘int main()’: user.cpp:40:24: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if(A[y].size()>maxim) ^ user.cpp:47:28: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(i=0;i<A[rasp].size();i++) ^ user.cpp:31:27: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(f,"%d%d",&n,&x); ^ user.cpp:35:26: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(f,"%d",&x); ^ user.cpp:47:28: warning: ‘rasp’ may be used uninitialized in this function [-Wmaybe-uninitialized] for(i=0;i<A[rasp].size();i++) ^