Compilare: user.cpp: In function ‘void citire()’: user.cpp:29:24: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(f,"%lld",&n); ^ user.cpp:32:37: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(f,"%lld%lld",&xx,&yy); ^ user.cpp: In function ‘coord cauta(double, double, double, double&)’: user.cpp:91:24: warning: ‘punct’ may be used uninitialized in this function [-Wmaybe-uninitialized] return L[stiv[punct]]; ^ user.cpp: In function ‘void citire()’: user.cpp:49:21: warning: ‘poz’ may be used uninitialized in this function [-Wmaybe-uninitialized] swap(L[n],L[poz]);n--; ^