Compilare: user.cpp: In function ‘void Citire()’: user.cpp:17:8: warning: unused variable ‘j’ [-Wunused-variable] int i, j, x, y, c; ^ user.cpp: In function ‘int BFS(int, int)’: user.cpp:57:29: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(i=0;i<v[x].size();i++){ ^ user.cpp: In function ‘void Rezolvare()’: user.cpp:82:29: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i=0;i<v[N].size();i++) ^ user.cpp:76:18: warning: unused variable ‘y’ [-Wunused-variable] int minim, U, x, y, OK; ^ user.cpp:76:21: warning: variable ‘OK’ set but not used [-Wunused-but-set-variable] int minim, U, x, y, OK; ^ user.cpp: In function ‘void Citire()’: user.cpp:19:30: 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:22:40: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(f,"%d %d %d\n",&x,&y,&c); ^