QOJ.ac
QOJ
Time Limit:
1 s
Memory Limit:
2048 MB
Total points:
100
#2896. Black and White
统计
此題目在以下比賽中使用過：
- 2021-2022 ICPC North America - Southeast USA Regional - Division 1
- 2021-2022 ICPC North America - South Central USA Regional - Division 1
- 2021-2022 ICPC North America - Southeast USA Regional - Division 2
- 2021-2022 ICPC North America - South Central USA Regional - Division 2
- 2021-2022 ICPC North America - Pacific Northwest Regional Contest - Division 2
- 2021-2022 ICPC North America - Mid-Central USA Programming Contest