摘要:
Problem Description Bamboo Pole-vault is a massively popular sport in Xzhiland. And Master Phi-shoe is a very popular coach for his success. He needs 阅读全文
摘要:
Table Decorations Time limit per test: 1 second Memory limit per test: 256 megabytes Problem Description You have r red, g green and b blue balloons. 阅读全文