Compilare: user.cpp: In function ‘int BFS()’: user.cpp:62:37: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (j = 0; j < G[nod].size(); j++) ^ user.cpp: In function ‘void FluxMinim()’: user.cpp:79:35: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (i = 0; i < G[N].size(); i++) ^ user.cpp: In function ‘void Citire()’: user.cpp:37:30: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(fin, "%d%d",&N,&M); ^ user.cpp:42:41: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(fin, "%d %d %d",&x,&y,&z); ^