Compilare: user.cpp: In function ‘int main()’: user.cpp:24:20: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(i=1;i<=m;i++) ^ user.cpp:10:24: warning: unused variable ‘n’ [-Wunused-variable] unsigned long long n,test,i,seg=0,s=1,p=1,k=1; ^ user.cpp:15:29: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(f,"%lld\n",&test); ^ user.cpp:16:22: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(f,"%c",&c); ^ user.cpp:20:26: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(f,"%c",&c); ^