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流浪地球·资源采集Ⅱ
Tags:
Time Limit:
1 s
Memory Limit:
128 MB
Submission:
71
AC:
29
Score:
99.64
Submit
Codes
Description
upload/2566.pdf
Hint
当一颗行星的资源被采集后,路径依然存在,如存在u->x x->v 那么u永远能到v。
Author
YU, Saikang
Submit
Codes