Compilare: user.cpp: In function ‘int main()’: user.cpp:23:26: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(i=1;i<=dim&&i*2<=p;i++) v2[i]=1; ^ user.cpp:29:34: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if(s2+c[j]-c[1]<=p) { ^ user.cpp:39:34: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if(s2+c[j]-c[1]<=p) { ^ user.cpp:13:31: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(f,"%lld%lld",&n,&p); ^