Compilare: user.cpp: In function ‘unsigned int nrsume(unsigned int)’: user.cpp:12:15: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] while(st<=n){ ^ user.cpp:13:35: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] while(dr>0 && v[dr]+v[st]>x){ ^ user.cpp: In function ‘int main()’: user.cpp:38:27: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(f,"%d%u",&n,&k); ^ user.cpp:40:29: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(f,"%d",&v[i]); ^