A. Tennis Tournament 题目连接: http://www.codeforces.com/contest/628/problem/A Description A tennis tournament wit…
Educational Codeforces Round 8 B. New Skateboard 暴力
B. New Skateboard 题目连接: http://www.codeforces.com/contest/628/problem/A Description Max wants to buy a new ska…
Educational Codeforces Round 8 C. Bear and String Distance 贪心
C. Bear and String Distance 题目连接: http://www.codeforces.com/contest/628/problem/C Description Limak is a littl…
Educational Codeforces Round 8 E. Zbazi in Zeydabad 树状数组
E. Zbazi in Zeydabad 题目连接: http://www.codeforces.com/contest/628/problem/D Description A tourist wants to visi…
Educational Codeforces Round 8 D. Magic Numbers 数位DP
D. Magic Numbers 题目连接: http://www.codeforces.com/contest/628/problem/D Description Consider the decimal presen…
Educational Codeforces Round 8 F. Bear and Fair Set 最大流
F. Bear and Fair Set 题目连接: http://www.codeforces.com/contest/628/problem/F Description Limak is a grizzly bear…
Codeforces Round #343 (Div. 2) B. Far Relative’s Problem 暴力
B. Far Relative’s Problem 题目连接: http://www.codeforces.com/contest/629/problem/B Description Famil Door wants t…
Codeforces Round #343 (Div. 2) A. Far Relative’s Birthday Cake 水题
A. Far Relative’s Birthday Cake 题目连接: http://www.codeforces.com/contest/629/problem/A Description Door’s…
Codeforces Round #343 (Div. 2) C. Famil Door and Brackets dp
C. Famil Door and Brackets 题目连接: http://www.codeforces.com/contest/629/problem/C Description As Famil Door’s b…
Codeforces Round #343 (Div. 2) E. Famil Door and Roads lca 树形dp
E. Famil Door and Roads 题目连接: http://www.codeforces.com/contest/629/problem/E Description Famil Door’s City ma…
Codeforces Round #343 (Div. 2) D. Babaei and Birthday Cake 线段树维护dp
D. Babaei and Birthday Cake 题目连接: http://www.codeforces.com/contest/629/problem/D Description As you know, eve…
HDU 5634 Rikka with Phi 线段树
Rikka with Phi 题目连接: http://acm.hdu.edu.cn/showproblem.php?pid=5634 Description Rikka and Yuta are interested …