Compilare: user.cpp: In function ‘void dijkstra(int, long long int*, int*)’: user.cpp:84:27: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i=0;i<v[k].size();++i) ^ user.cpp: In function ‘void dfs(int)’: user.cpp:99:28: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i=0;i<v[nod].size();++i) ^ user.cpp: In function ‘int main()’: user.cpp:111:29: warning: format ‘%d’ expects argument of type ‘int*’, but argument 5 has type ‘long long int*’ [-Wformat=] fscanf(f,"%d%d%d",&x,&y,&z); ^ user.cpp:108:39: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(f,"%d%d%d%d%d",&n,&m,&A,&B,&C); ^ user.cpp:111:30: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(f,"%d%d%d",&x,&y,&z); ^ user.cpp:168:19: warning: ‘ii’ may be used uninitialized in this function [-Wmaybe-uninitialized] for(int i=ii;aa[i];i=aa[i],++j); ^