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原题链接 C. Fixing Typos time limit per test1 second memory limit per test256 megabytes inputstandard input outputstandard output Many modern text editors automatically check the spelling of the u

原题链接 D. Renting Bikes time limit per test1 second memory limit per test256 megabytes inputstandard input outputstandard output A group of n schoolboys decided to ride bikes. As nobody of t

原题链接：http://acm.hdu.edu.cn/showproblem.php?pid=5701 中位数计数 Time Limit: 12000/6000 MS (Java/Others)    Memory Limit: 65536/65536 K (Java/Others) Total Submission(s): 1600    Accepted Subm

原题链接：http://codeforces.com/contest/616/problem/D D. Longest k-Good Segment time limit per test 1 second memory limit per test 256 megabytes input standard inpu

原题链接：http://codeforces.com/problemset/problem/622/C C. Not Equal on a Segment time limit per test 1 second memory limit per test 256 megabytes input standard i

原题链接：http://codeforces.com/problemset/problem/622/D D. Optimal Number Permutation time limit per test 1 second memory limit per test 256 megabytes input standa