Compilare: user.cpp: In function ‘long int getMinDistForGivenW(long int)’: user.cpp:52:13: warning: variable ‘dist’ set but not used [-Wunused-but-set-variable] long node, dist, remain, remain2; ^ user.cpp: In function ‘int main()’: user.cpp:92:32: warning: unused variable ‘last’ [-Wunused-variable] long low, high, mid, minDist, last = k; ^ user.cpp: In function ‘void citeste(long int&)’: user.cpp:25:41: warning: ignoring return value of ‘size_t fread(void*, size_t, size_t, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] fread(buff,1,DIM,f),poz=0; ^ user.cpp:30:41: warning: ignoring return value of ‘size_t fread(void*, size_t, size_t, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] fread(buff,1,DIM,f),poz=0; ^