Compilare: main.cpp: In function 'void bfs(int)': main.cpp:39:22: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int j=0;j<Muchii[nodCurent].size();j++) ~^~~~~~~~~~~~~~~~~~~~~~~~~ main.cpp: In function 'void read()': main.cpp:59:26: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] fscanf(f,"%d",&teste); ^ main.cpp:62:31: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] fscanf(f,"%d%d",&n,&m); ^ main.cpp:65:35: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] fscanf(f,"%lld",&D[i]); ^ main.cpp:72:35: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] fscanf(f,"%d%d",&x,&y); ^