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[codeforces 1373C] Pluses and Minuses 找規律,難在+號會使數據發生跳躍,跳過了中間的+號
mrcrack
2020-07-02 08:57:12
[codeforces 1370B] GCD Compression 構造共有因子爲2的數組集合
mrcrack
2020-07-02 08:57:12
[codeforces 1368D] AND, OR and square sum 操作過後各個位上1的數量竟然不變
mrcrack
2020-07-02 08:57:12
[codeforces 1373E] Sum of Digits 十位數百位數乃至更高位的進位不可能發生
mrcrack
2020-07-02 08:57:12
[codeforces 1373D] Maximum Sum on Even Positions 翻轉不改變相對位置+兩種交換形式
mrcrack
2020-07-02 08:57:12
CodeForces 742B Arpa’s obvious problem and Mehrdad’s terrible solution
poptree hengli
2020-07-01 15:23:14
codeforces161D. Distance in Tree(樹形DP)
xiao_you_you
2020-07-01 13:24:10
memset TLE的問題
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解題報告:Codeforces Round #325(Div. 1) E. Present for Vitalik the Philatelist (莫比烏斯反演)
High_EnergyElectron
2020-06-30 22:46:17
codeforces 405B Playing Dominoes
来来我们都是水果
2020-06-30 21:18:09
Codeforces Round #426 (Div. 2) C:The Meaningless Game(思維)
吃货妍
2020-06-30 20:47:06
Educational Codeforces Round 90 D.Maximum Sum on Even Positions
彤云望月
2020-06-30 18:20:26
Codeforces 1373C - Pluses and Minuses
彤云望月
2020-06-30 18:20:26
Codeforces Round #653 (Div. 3) D. Zero Remainder Array
彤云望月
2020-06-30 18:20:22
codeforces 84E
我的妹妹syf
2020-06-30 17:43:37
加载中⋅⋅⋅
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