Compilare: user.cpp: In function ‘int main()’: user.cpp:59:22: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i=0;i<v[curr].size() && !dis[Y];i++) ~^~~~~~~~~~~~~~~ user.cpp: In function ‘void citeste(int&)’: user.cpp:18:42: 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,stdin),poz=0; ^ user.cpp:23:42: 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,stdin),poz=0; ^