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    ID Type Post Time Title Content
    21867 Discussion 2020/8/3 17:24:05 Reply: B题题解(凑字数) TQL
    21861 Discussion 2020/8/3 16:46:02 Reply: C题题解 by xianggl 不是肯能,是可能
    21860 Discussion 2020/8/3 16:44:15 Reply: C题题解 by xianggl 由于差肯能为负,集体向右平移n即可
    21859 Discussion 2020/8/3 16:43:36 Reply: C题题解 by xianggl Code ```c++ #include <iostream> #define ri register int #define ll long long using namespace std; const ll Maxn=1e5; const ll Mod=1e9+7; ll...
    21858 Discussion 2020/8/3 16:43:05 Reply: C题题解 by xianggl 考虑一般的dp式 dp[i][j]表示前i个人分成j组的方案数; 则dp[i][j]=sigma{dp[k][j-1]} 划掉组数这一维,dp[i]=sigma{dp[j]} 但并不是所有状态都能转移,令sum1为夏军的前缀和,sum2为冬军的前缀和,则abs(sum1[i]-sum1...
    21857 Discussion 2020/8/3 16:42:19 Reply: C题题解 by xianggl 考虑一般的dp式 dp[i][j]表示前i个人分成j组的方案数; 则dp[i][j]=sigma{dp[k][j-1]} 划掉组数这一维,dp[i]=sigma{dp[j]} 但并不是所有状态都能转移,令sum1为夏军的前缀和,sum2为冬军的前缀和,则abs(sum1[i]-sum1...
    21701 Discussion 2020/7/27 14:08:28 Reply: A题解A题解 BYFTQLTXDY!
    21699 Discussion 2020/7/27 14:07:23 Reply: C题题解() QBUTQLTXDY!
    21358 Discussion 2020/7/17 15:47:22 Reply: i love luorl Congratulations!
    20619 Discussion 2020/7/10 16:32:04 Reply: 求助求助求助 byftxdy
    20535 Discussion 2020/5/31 17:00:38 Reply: 前排膜拜deaf神仙 deaf巨佬膜拜自己。。。是机惨吗?
    20534 Discussion 2020/5/31 14:46:36 Reply: 前排膜拜deaf神仙 deaf txdy
    20533 Discussion 2020/5/31 14:46:31 Reply: 前排膜拜deaf神仙 deaf tql
    20532 Discussion 2020/5/31 14:46:23 Reply: 前排膜拜deaf神仙 deaf巨佬在这里!大家快来%他!
    20479 Discussion 2020/5/17 17:35:03 Reply: 题解题解题 tql