Eroare de compilare: user.cpp: In function ‘void Solve_RoyFloyd()’: user.cpp:32:45: error: ‘Rf’ was not declared in this scope RF[i][j] = minim(RF[i][j] , Rf[i][k] + RF[k][j]); ^ user.cpp:6:24: note: in definition of macro ‘minim’ #define minim(a,b) ((a<b)?(a):(b)) ^ user.cpp: In function ‘void Read()’: user.cpp:14:37: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("royfloyd.in","r",stdin); ^ user.cpp:15:19: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d",&N); ^ user.cpp:19:34: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d",&RF[i][j]); ^ user.cpp: In function ‘void Print()’: user.cpp:37:39: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("royfloyd.out","w",stdout); ^