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地址:https://nanti.jisuanke.com/t/17314 题目: Three circles C_{a}Ca, C_{b}Cb, and C_{c}Cc, all with radius RR and tangent to each other, are loca 阅读全文
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地址:http://acm.split.hdu.edu.cn/showproblem.php?pid=6158 题目: The Designer Time Limit: 8000/4000 MS (Java/Others) Memory Limit: 32768/32768 K (Java/Othe 阅读全文
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地址:http://acm.split.hdu.edu.cn/showproblem.php?pid=5880 题目: Family View Time Limit: 3000/1000 MS (Java/Others) Memory Limit: 65536/65536 K (Java/Other 阅读全文
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地址:http://acm.split.hdu.edu.cn/showproblem.php?pid=4758 题目: Walk Through Squares Time Limit: 4000/2000 MS (Java/Others) Memory Limit: 65535/65535 K (J 阅读全文