«Все равно они планируют ввести ограничения». Путин допустил прекращение поставок газа из РФ в Европу в ближайшее время01:26
The complexity of determining the minimum number of flips that transform one triangulation of a convex point set into another remained a tantalizing open question for many decades. We settle this question by proving that computing shortest flip sequences between triangulations of convex polygons, and therefore also computing the rotation distance of binary trees, is NP-hard.
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安粮期货表示，展望3月，市场正面临地缘政治风险的真实冲击。短期内，黄金价格将高度敏感于中东局势的演变。若冲突范围扩大或持续时间延长，金价有望快速突破前期的阻力区。然而，有需高度警惕的风险点，操作上，应密切关注3月2日后的地缘政治新闻动态，短线追高需谨慎，待局势明朗或价格回调企稳后再行决策。
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The £5.30 orange juice that tells the story of why supermarket prices are sky high
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