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这题很无语……wa的人看这个数据26 26 A<B B<C C<D D<E E<F F<G G<H H<I I<J J<K K<L L<M M<N N<O O<P P<Q Q<R R<S S<T T<U U<V V<W W<X X<Y Y<Z Z<A 答案是有解的! 虽然在第26个不等式中发现了矛盾,但读到第25个式子就能出一组解,这时应该直接无视后面的矛盾输出有解! Followed by:
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