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用G++可以将时间控制在200MS以下（原因）G++做了一些优化处理。在这里表现比较明显的就是输入输出，大量数据的输入输出很耗时。在输入时用getchar，输出时用putchar，提交选用G++,则高枕无忧。但是如果想使用速度比较好的C的scanf和printf，也许就很痛苦了…… Followed by: Post your reply here: |
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