A
Vasya studies music.He has learned lots of interesting stuff. For example, he knows that there are 12 notes: C, C, D, D, E, F, F, G, G, A, B, H. ......
链接:
https://vjudge.net/problem/CodeForces-707B
题意:
Masha wants to open her own bakery and bake muffins in one of the n cities numbered from 1 to n ......
Description
Masha wants to open her own bakery and bake muffins in one of the n cities numbered from 1 to n. There are m bidirectional roads, each of ......