Compilare: main.cpp: In function 'void dijkstra()': main.cpp:38:26: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i=0;i<graph[nod].size();++i) ~^~~~~~~~~~~~~~~~~~ main.cpp: In function 'int main()': main.cpp:60:32: warning: format '%d' expects argument of type 'int*', but argument 3 has type 'bool*' [-Wformat=] fscanf(f,"%d",&frend[i]); ^ main.cpp:58:28: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] fscanf(f,"%d %d",&n,&W); ^ main.cpp:60:33: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] fscanf(f,"%d",&frend[i]); ^ main.cpp:61:22: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] fscanf(f,"%d",&m); ^ main.cpp:67:60: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] fscanf(f,"%d %d %d %d",&x,&val.ve, &val.co, &val.w); ^