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用线段树但WA或者RTE的注意1.加入的线段必须是0~(x+1)，否则当x=0时无法加入 2.由于第一条，原始线段不要只是0~32000，应该是0~32001或者更大 3.数组最少也是64002以上，或者干脆开大些没关系 Followed by: Post your reply here: |
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