Compilare: user.cpp: In function ‘unsigned int nrsecv(unsigned int, unsigned int*)’: user.cpp:10:15: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(i=0;i<n;i++) ^ user.cpp: In function ‘int main()’: user.cpp:30:34: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(f,"%u %u %u",&n,&l,&u); ^ user.cpp:32:27: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(f,"%u",x+i); ^