Compilare: main.cpp: In function 'void Resolve(long int)': main.cpp:25:19: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(long j=0;j<Muchii[nodCurent].size();j++) ~^~~~~~~~~~~~~~~~~~~~~~~~~ main.cpp: In function 'void read()': main.cpp:14:29: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] fscanf(f,"%ld%ld",&n,&m); ^ main.cpp:18:33: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] fscanf(f,"%ld%ld",&x,&y); ^