Hangzhou Electric OJ link:
http://acm.hdu.edu.cn/
Registration and usage guidelines:
https://blog.csdn.net/qq_38769551/article/details/101510000
The first stage: get started now! (15 days, 53 questions)
One. O Exercise (2 days, 10 questions)
1000、1089—1096、1001
two. Simple: (2-4 days, 12 questions)
2000—2011、2039
three. Test the water (3-4 days, 8 questions)
1720、1062、2104、1064、2734、1170、1197、2629
four. Return water problem (4-6 days, 24 questions)
2012—2030、2032、2040、2042、2054、2055
The second stage: I want to learn algorithm! (12 days, 31 questions)
One. I will deal with the string (2 days, 6 questions)
2072、2081、2093、2091、1004、2057
two. Simple math (4 days, 12 questions)
2031、2033、2070、2071、2075、2089、2090、2092、2096—2099
three. To play to play Towers of Hanoi (2 days, 5 questions)
1995、1996、2064、2077、2175
four. As easy as math (4 days, 8 questions)
1108、2138、1713、1722、2136、2504、1717、1125
The third stage: acm bottomless pit ah! (10 days, 18 questions)
One. Shown signs dp (2-4 days, 4 questions)
2062、1087、1203、1003
two. Labyrinth smoke-filled (2-4 days, Question 3)
1728、1010、1072
three. Math can not go on. (3-5 days, 8 questions)
1052、1568、1443、1222、1249、1005、2674、1018
four. Dragon Inn, hidden mystery (2-3 days, Question 3)
1022、1237、1082
Hang electricity OJ brushing, you can brush to the North OJ title, the title a little difficult at the following link:
http://poj.org/
Hang electricity use and almost OJ, brush title sequence:
https://blog.csdn.net/qq429205464/article/details/6732899
https://blog.csdn.net/thestoryofsnow/article/details/40942009
https://www.cnblogs.com/DA799422035/p/8728633.html
https://blog.csdn.net/liuqiyao_01/article/details/8477801
Branch OJ:
http://hustoj.com/oj/
Zhejiang OJ:
https://zoj.pintia.cn/problem-sets/91827364500/problems
