On the valley, qid CF1044F, first is to search the DFS, want to for a long time do not (I'm too food, harm), and of interest to bosses, answer questions post came up, the original in the valley of los, thank you very much ~

CodePudding user response:

This is the problem cf, you search CodeForces 1044 f to find a large number of antithesis, search valley seems to be not seek,

https://blog.csdn.net/tianwei0822/article/details/90725052
https://www.cnblogs.com/CJLHY/p/11692021.html

CodePudding user response:

seven sea 58 references 1/f, castle peak response:

this is the problem cf, you search CodeForces 1044 f to find a large number of antithesis, search valley seems to be not seek,

https://blog.csdn.net/tianwei0822/article/details/90725052
https://www.cnblogs.com/CJLHY/p/11692021.html

Ok, thank you, I see