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struct Treap { struct node { node *son[2]; int key,siz,wei,cnt; node(int _key,node *f) { son[0]=son[1]=f; key=_key;siz=cnt=1;wei=rand(); } ... 阅读全文
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Matrix multiplication Time Limit: 4000/2000 MS (Java/Others) Memory Limit: 131072/131072 K (Java/Others) Problem Description Given two matrices A and 阅读全文
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GT and set Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 65536/65536 K (Java/Others) Problem Description You are given N sets.The i−th set has 阅读全文
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A. Hongcow Learns the Cyclic Shift time limit per test 2 seconds memory limit per test 256 megabytes input standard input output standard output Hongc 阅读全文
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D. Santa Claus and a Palindrome time limit per test 2 seconds memory limit per test 256 megabytes input standard input output standard output D. Santa 阅读全文
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E. Santa Claus and Tangerines time limit per test 2 seconds memory limit per test 256 megabytes input standard input output standard output Santa Clau 阅读全文
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A. Bachgold Problem time limit per test 1 second memory limit per test 256 megabytes input standard input output standard output Bachgold problem is v 阅读全文
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A. Vladik and flights time limit per test 2 seconds memory limit per test 256 megabytes input standard input output standard output A. Vladik and flig 阅读全文
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Boring counting Time Limit: 6000/3000 MS (Java/Others) Memory Limit: 98304/98304 K (Java/Others) Problem Description In this problem we consider a roo 阅读全文
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D. Tree Requests time limit per test 2 seconds memory limit per test 256 megabytes input standard input output standard output Roman planted a tree co 阅读全文