Compilare: main.cpp: In function 'int main()': main.cpp:58:38: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] freopen("rangemode.in","r",stdin); ^ main.cpp:59:40: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] freopen("rangemode.out","w",stdout); ^ main.cpp: In function 'int radical(int)': main.cpp:53:12: warning: 'rez' may be used uninitialized in this function [-Wmaybe-uninitialized] return rez; ^~~ main.cpp: In function 'int main()': main.cpp:61:8: warning: 'rez' may be used uninitialized in this function [-Wmaybe-uninitialized] k=n/radical(m); ~^~~~~~~~~~~ main.cpp:81:36: warning: 'vmax' may be used uninitialized in this function [-Wmaybe-uninitialized] else if(fmax==vf[v[j]] && vmax>v[j]) ~~~~~~~~~~~~~~~^~~~~~~~~~~~