题目链接: C. Hard problem time limit per test 1 second memory limit per test 256 megabytes input standard input output standard output time limit per test
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2016-08-12 10:30:00
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原题链接C. Hard problemtime limit per test1 secondmemory limit per test256 megabytesinputstandard inputoutputstandard outp
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2023-06-12 17:24:40
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C. Hard problemtime limit per test1 secondmemory limtstandard outputVasiliy is fond of solving different tasks.
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2022-08-12 09:47:42
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http://codeforces.com/problemset/problem/340/C赛时没想出赛后却能较快想出深深的教育自己做题一定要静下心来,不要轻易放弃,认真思考,不要浮躁着急,不要太容易受外界影响C. Tourist Problemtime limit per test1 secondmemory limit per test256 megabytesinputstandard inputoutputstandard outputIahub is a big fan of tourists. He wants to become a tourist himself, so he
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2013-09-01 00:44:00
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原题链接C. NP-Hard Problemtime limit per test2 secondsmemory limit per tutputRecently, Pari and Arya did so
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2023-06-12 17:31:36
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C. The Hard Work of Paparazzi (DP)令dp[i]dp[i]dp[i]表示前iii个地点能获得的最大答案。mx[i]mx[i]mx[i]表示dp[j],j∈[1,i]dp[j],j\in[1,i]dp[j],j∈[1,i]的最大值,该数组用来优化时间。考虑状态转移:显然如果两者距离小于等于时间差即可。dp[i]=max(dp[i],dp[j]+1)dp[i]=max(dp[i],dp[j]+1)dp[i]=max(dp[i],dp[j]+1)。时间复杂度:O(nr)O
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2021-08-10 09:49:09
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C. The Hard Work of Paparazzi dp 题目大意: 给你一个大小为 \(r*r\) 大小的矩阵,初始你在位置 \((1,1)\) 这个点,有 \(n\) 个点,对于第 \(i\) 个人来说,它只在 \(t_i\) 时刻处于 \((x_i,y_i)\) 这个位置,如果此时你也
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2021-03-16 21:58:00
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C. The Hard Work of Paparazzi (DP)令dp[i]dp[i]dp[i]表示前iii个地点能获得的最大答案。mx[i]mx[i]mx[i]表示dp[j],j∈[1,i]dp[j],j\in[1,i]dp[j],j∈[1,i]的最大值,该数组用来优化时间。考虑状态转移:显然如果两者距离小于等于时间差即可。dp[i]=max(dp[i],dp[j]+1)dp[i]=max(dp[i],dp[j]+1)dp[i]=max(dp[i],dp[j]+1)。时间复杂度:O(nr)O
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2022-01-21 13:34:05
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http://codeforces.com/contest/340/problem/C 1 #include 2 #include 3 #include 4 #define maxn 100010 5 #define ll __int64 6 using namespace std; 7 8...
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2014-08-17 17:14:00
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DescriptionVasiliy is fond of solving different tasks. Today he found one he wasn't able to solve himself, so he asks you to help.Vasiliy is given n s...
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2017-10-06 19:23:00
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题目:DescriptionVasiliy is fond of solving different tasks. Today he found one he wasn't able to solve himself, so he asks you to help.Vasiliy is givennstrings consisting of lowercase Engli...
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2021-12-27 14:35:11
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C. NP Hard Problem 题目连接: http://www.codeforces.com/contest/688/problem/C Description Recently, Pari and Arya did some research about NP Hard problems
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2021-07-15 15:13:09
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可以发现0,10,10,1的位置不能变。然后是看222。不妨设p0
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2022-07-09 01:09:11
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// Problem: C. Ehab and a Special Coloring Problem// Contest: Codeforces - Codeforces Round #563 (Div. 2)
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2022-08-16 14:51:21
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C. Travelling Salesman Problem DP 题目大意: 给你一张完全图,每一个点有两个值 \(a_i,c_i\) ,对于 \((u,v)\) 一条从 \(u\) 连向 \(v\) 的道路的距离是 \(max(c_u,a_v-a_u)\) ,问你从1出发,每一个点经过一次回到
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2021-04-08 20:38:00
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题目链接:https://codeforces.com/problemset/problem/706/C 题意: 给出 $n$ 个字符串,对于第 $i$ 个字符串,你可以选择花费 $c_i$ 来将它整个翻转。 要你尽量用最少的花费,使得 $n$ 个字符串按照字典序升序排序。 题解: $f[i][0,
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2019-03-14 22:33:00
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Mike has a sequence A = [a1, a2, …, an] of length n. He considers the sequence B = [b1, b2, …, bn] bea
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2023-04-24 21:27:38
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C. Little Elephant and Problem time limit per test 2 seconds memory limit per test 256 megabytes input standard input output standard output The Littl
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2021-08-05 09:59:58
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点击打开链接http://codeforces.com/contest/2/problem/CDescriptionThe Olympic Games in Bercouver are in full swing now. H
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2022-08-12 09:13:16
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题意:对于给定的n个字符串,可以花费a[i] 将其倒序,问是否可以将其排成从大到小的字典序,且花费最小是多少。 析:很明显的水DP,如果不是水DP,我也不会做。。。。 这个就要二维,d[2][maxn],d[0][i]表示第 i 个不反转是最小花费,d[1][i]表示第 i 个反转最小花费,那么剩下
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2016-08-13 12:05:00
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