One Forbidden Value
Difficulty: Easy · Topics: Discrete Mathematics, Functions, Function Combinatorics
Bitta taqiqlangan qiymat
How many functions f:\1, 2, 3, 4\→\1, 2, 3, 4, 5\ satisfy f(1)≠1?
Nechta f:\1, 2, 3, 4\→\1, 2, 3, 4, 5\ funksiya f(1)≠1 ni qanoatlantiradi?