Extra spaces in your output may lead to "Wrong Answer".
QOJ.ac
QOJ
Time Limit:
6.0 s
Memory Limit:
1024 MB
Total points:
100
Hackable ✓
# 7010. Rikka with A Long Colour Palette
统计
此題目在以下比賽中使用過：
This problem is prepared by
clrs97 .