ACM-ICPC 2018 徐州賽區網絡預賽
阿新 • • 發佈:2018-09-10
決策 solution str end rep features ali 賽後 clas
Rank | Solved | A | B | C | D | E | F | G | H | I | J | K | |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|
157/1526 | 7/11 | O | O | ? | ? | . | O | O | O | O | O | ? |
O
: 當場通過
?
: 賽後通過
.
: 尚未通過
A Hard to prepare
solved by chelly
chelly‘s solution
B BE, GE or NE
solved by ch
ch‘s solution
C Cacti Lottery
upsolved by chelly
chelly‘s solution
考慮枚舉*代表的數字,對於每種情況,再枚舉#代表的數字,算出每種決策的期望,選個最大的
D Easy Math
upsolved by chelly
chelly‘s solution
推一下式子,發現之後就是一個類似杜教篩復雜度的降規模,時間復雜度就足夠過了。
E End Fantasy VIX
unsolved
F Features Track
solved by chelly
chelly‘s solution
G Trace
solved by chelly
chelly‘s solution
H Ryuji doesn‘t want to study
solved by ch
ch‘s solution
I Characters with Hash
solved by chelly
chelly‘s solution
J Maze Designer
solved by chell&ch
chelly‘s solution
K Morgana Net
upsolved by ch
ch‘s solution
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ACM-ICPC 2018 徐州賽區網絡預賽