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题目链接：http://codeforces.com/problemset/problem/540/B点击打开链接 B. School Marks time limit per test 2 seconds memory limit per test 256 megabytes input standard input o

题目链接：http://codeforces.com/problemset/problem/148/C点击打开链接 C. Terse princess time limit per test 1 second memory limit per test 256 megabytes input standard input

题目链接；http://codeforces.com/problemset/problem/761/D点击打开链接 D. Dasha and Very Difficult Problem time limit per test 2 seconds memory limit per test 256 megabytes input s

题目链接：http://acm.hdu.edu.cn/showproblem.php?pid=6313 Hack It Time Limit: 2000/1000 MS (Java/Others)    Memory Limit: 32768/32768 K (Java/Others) Total Submission(s): 982    Accepted Submission(s): 33...