Compilare: user.cpp: In function ‘long long int bs(long long int)’: user.cpp:32:16: warning: left shift count >= width of type [enabled by default] s=0;pas=1<<40; ^ user.cpp: In function ‘int main()’: user.cpp:49:25: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(f1,"%lld",&n); ^ user.cpp:52:34: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(f1,"%lld",&v[i].n); ^ user.cpp:58:25: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(f1,"%lld",&q); ^ user.cpp:61:36: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(f1,"%lld%lld",&p,&c); ^