Compilare: user.cpp: In function ‘int main()’: user.cpp:57:29: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(j=0;j<lista[1].size();j++) ^ user.cpp:64:34: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(j=0;j<lista[el].size();j++) ^ user.cpp:45:28: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(f,"%d %d",&n,&m); ^ user.cpp:53:49: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] {fscanf(f,"%d %d %d",&x,&aux.dir,&aux.c); ^ user.cpp: In function ‘void coboara(int)’: user.cpp:29:26: warning: ‘pmin’ may be used uninitialized in this function [-Wmaybe-uninitialized] if(dist[heap[pmin]]<dist[heap[p]]) ^