Compilare: user.cpp: In function ‘bool BFS()’: user.cpp:51:31: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(i=0;i<v[nod].size();i++){ ^ user.cpp: In function ‘void FordFulkerson()’: user.cpp:110:25: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(i=0;i<v[S].size();i++) ^ user.cpp: In function ‘void Citire()’: user.cpp:20:30: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(f,"%d %d\n",&N,&M); ^ user.cpp:25:32: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(f,"%d %d",&x,&y); ^ user.cpp:28:34: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(f,"%d\n",&C[x][y]); ^ user.cpp: In function ‘bool BFS()’: user.cpp:90:33: warning: ‘preT’ may be used uninitialized in this function [-Wmaybe-uninitialized] nod = Q[ Q[i].tata ].nod; ^