Compilare: user.cpp: In function ‘int main()’: user.cpp:71:26: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i=0;i<rasp.size();i++) ^ user.cpp:21:21: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(in,"%d ",&n); ^ user.cpp:24:31: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(in,"%d ",&v[i].n); ^ user.cpp:27:40: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(in,"%d ",&v[i].val[j]); ^