Compilare: user.cpp: In function ‘int main()’: user.cpp:130:31: warning: suggest parentheses around ‘&&’ within ‘||’ [-Wparentheses] if(ind[j]<=S[j].munti&&max_high<S[j].H[ind[j]]||(con>0&&max_high==S[j].H[ind[j]]&&min_energy>energy[last[con-1]][j])){ ^ user.cpp: In function ‘char nextch()’: user.cpp:15:31: warning: ignoring return value of ‘size_t fread(void*, size_t, size_t, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] fread(buf,1,MAXBUF,fi); ^ user.cpp: In function ‘int main()’: user.cpp:116:28: warning: ‘max.Aib::poz’ may be used uninitialized in this function [-Wmaybe-uninitialized] poz=Sl[poz].next; ^