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RSS订阅原创 Codeforces Round #529 (Div. 3)
A 输出第1 2 4 7...位置的字母即可#include <bits/stdc++.h>#define fir first#define se second#define ll long long#define pb push_back#define mp make_pair#define ull unsigned long long #define cl(a...
2018-12-29 23:11:00
199
原创 HDU 6439(容斥原理+积性函数前缀和+打表）
Congruence equationTime Limit: 8000/4000 MS (Java/Others) Memory Limit: 65536/65536 K (Java/Others)Total Submission(s): 153 Accepted Submission(s): 37 Problem DescriptionThere is a seque...
2018-08-27 17:21:23
1045
原创 牛客多校第五场 E（费用流）
链接：https://www.nowcoder.com/acm/contest/143/E来源：牛客网 时间限制：C/C++ 1秒，其他语言2秒空间限制：C/C++ 262144K，其他语言524288K64bit IO Format: %lld题目描述Nowcoder University has 4n students and n dormitories ( Four st...
2018-08-02 20:35:47
286
原创 牛客多校第五场 A（01分数规划）
链接：https://www.nowcoder.com/acm/contest/143/A来源：牛客网 时间限制：C/C++ 1秒，其他语言2秒空间限制：C/C++ 262144K，其他语言524288KSpecial Judge, 64bit IO Format: %lld题目描述Kanade selected n courses in the university. The...
2018-08-02 20:33:35
242
原创 Codeforces Round #501 (Div. 3) E（前缀和）
E2. Stars Drawing (Hard Edition)time limit per test3 secondsmemory limit per test256 megabytesinputstandard inputoutputstandard outputA star is a figure of the following type: an ast...
2018-08-02 10:11:38
308
原创 Codeforces Round #501 (Div. 3) D（暴力）
D. Walking Between Housestime limit per test2 secondsmemory limit per test256 megabytesinputstandard inputoutputstandard outputThere are nn houses in a row. They are numbered from 11...
2018-08-02 10:07:09
224
原创 Codeforces Round #501 (Div. 3) C（贪心）
C. Songs Compressiontime limit per test1 secondmemory limit per test256 megabytesinputstandard inputoutputstandard outputIvan has nn songs on his phone. The size of the ii-th song is...
2018-08-02 10:04:57
305
原创 Codeforces Round #501 (Div. 3) B（暴力）
B. Obtaining the Stringtime limit per test1 secondmemory limit per test256 megabytesinputstandard inputoutputstandard outputYou are given two strings ss and tt. Both strings have len...
2018-08-02 10:02:54
285
原创 Codeforces Round #501 (Div. 3) A（暴力）
A. Points in Segmentstime limit per test1 secondmemory limit per test256 megabytesinputstandard inputoutputstandard outputYou are given a set of nn segments on the axis OxOx, each se...
2018-08-02 10:00:05
281
原创 HDU 6331（矩阵+最短路)
Problem M. Walking PlanTime Limit: 5000/2500 MS (Java/Others) Memory Limit: 524288/524288 K (Java/Others)Total Submission(s): 850 Accepted Submission(s): 313 Problem DescriptionThere are...
2018-08-02 09:55:20
441
原创 HDU 6327（dp）
Problem I. Random SequenceTime Limit: 2000/1000 MS (Java/Others) Memory Limit: 524288/524288 K (Java/Others)Total Submission(s): 392 Accepted Submission(s): 133 Problem DescriptionThere ...
2018-08-02 09:49:38
356
原创 HDU 6325（凸包）
Problem G. Interstellar TravelTime Limit: 4000/2000 MS (Java/Others) Memory Limit: 524288/524288 K (Java/Others)Total Submission(s): 1333 Accepted Submission(s): 316 Problem DescriptionA...
2018-08-02 09:45:05
546
原创 HDU 6343（三角形不等式）
Problem L. Graph Theory HomeworkTime Limit: 2000/1000 MS (Java/Others) Memory Limit: 262144/262144 K (Java/Others)Total Submission(s): 272 Accepted Submission(s): 154 Problem Description...
2018-08-01 22:19:47
285
原创 HDU 6333（莫队）
Problem B. Harvest of ApplesTime Limit: 4000/2000 MS (Java/Others) Memory Limit: 262144/262144 K (Java/Others)Total Submission(s): 608 Accepted Submission(s): 212 Problem DescriptionTher...
2018-08-01 22:13:36
517
原创 HDU 6319（单调栈）
Problem A. Ascending RatingTime Limit: 10000/5000 MS (Java/Others) Memory Limit: 524288/524288 K (Java/Others)Total Submission(s): 1582 Accepted Submission(s): 442 Problem DescriptionBef...
2018-07-30 23:17:22
477
原创 HDU 6321（壮压）
Problem C. Dynamic Graph MatchingTime Limit: 8000/4000 MS (Java/Others) Memory Limit: 524288/524288 K (Java/Others)Total Submission(s): 376 Accepted Submission(s): 145 Problem Description...
2018-07-30 23:01:02
282
原创 HDU 6324（树形dp）
Problem F. Grab The TreeTime Limit: 2000/1000 MS (Java/Others) Memory Limit: 524288/524288 K (Java/Others)Total Submission(s): 199 Accepted Submission(s): 137 Problem DescriptionLittle Q...
2018-07-30 22:58:39
612
原创 HDU 6330（模拟）
Problem L. Visual CubeTime Limit: 2000/1000 MS (Java/Others) Memory Limit: 524288/524288 K (Java/Others)Total Submission(s): 159 Accepted Submission(s): 119 Problem DescriptionLittle Q l...
2018-07-30 22:56:56
214
原创 HDU 6322（打表）
Problem D. Euler FunctionTime Limit: 2000/1000 MS (Java/Others) Memory Limit: 524288/524288 K (Java/Others)Total Submission(s): 138 Accepted Submission(s): 124 Problem DescriptionIn numb...
2018-07-30 22:55:58
255
原创 HDU 6314（容斥原理）
MatrixTime Limit: 2000/1000 MS (Java/Others) Memory Limit: 332768/332768 K (Java/Others)Total Submission(s): 290 Accepted Submission(s): 72 Problem DescriptionSamwell Tarly is learning t...
2018-07-26 23:04:09
785
原创 HDU 6315（线段树）
Naive OperationsTime Limit: 6000/3000 MS (Java/Others) Memory Limit: 502768/502768 K (Java/Others)Total Submission(s): 790 Accepted Submission(s): 293 Problem DescriptionIn a galaxy far,...
2018-07-25 23:32:10
271
原创 HDU 6318（树状数组）
Swaps and InversionsTime Limit: 2000/1000 MS (Java/Others) Memory Limit: 32768/32768 K (Java/Others)Total Submission(s): 449 Accepted Submission(s): 166 Problem DescriptionLong long ago,...
2018-07-25 23:29:02
505
原创 HDU 6312（打表）
Problem DescriptionAlice and Bob are playing a game.The game is played on a set of positive integers from 1 to n.In one step, the player can choose a positive integer from the set, and erase all o...
2018-07-25 23:27:08
381
1
原创 HDU 6305（笛卡尔树）
RMQ Similar SequenceTime Limit: 4000/2000 MS (Java/Others) Memory Limit: 255535/255535 K (Java/Others)Total Submission(s): 882 Accepted Submission(s): 281 Problem DescriptionChiaki has a...
2018-07-25 10:54:18
445
原创 牛客多校第二场 G（二分）
链接：https://www.nowcoder.com/acm/contest/140/G来源：牛客网 时间限制：C/C++ 1秒，其他语言2秒空间限制：C/C++ 262144K，其他语言524288K64bit IO Format: %lld题目描述White Cloud placed n containers in sequence on a axes. The i-th...
2018-07-25 10:34:28
464
原创 牛客多校第二场 J（随机+矩阵二维前缀和）
链接：https://www.nowcoder.com/acm/contest/140/J来源：牛客网 时间限制：C/C++ 4秒，其他语言8秒空间限制：C/C++ 262144K，其他语言524288K64bit IO Format: %lld题目描述White Rabbit has a rectangular farmland of n*m. In each of the ...
2018-07-25 10:19:07
242
原创 牛客多校第二场 H（树形dp）
链接：https://www.nowcoder.com/acm/contest/140/H来源：牛客网 时间限制：C/C++ 2秒，其他语言4秒空间限制：C/C++ 262144K，其他语言524288K64bit IO Format: %lld题目描述White Cloud has a tree with n nodes.The root is a node with num...
2018-07-25 10:14:52
348
原创 牛客多校第二场 C （计算几何+二分）
链接：https://www.nowcoder.com/acm/contest/140/C来源：牛客网 时间限制：C/C++ 2秒，其他语言4秒空间限制：C/C++ 262144K，其他语言524288KSpecial Judge, 64bit IO Format: %lld题目描述There is an infinite plane. White Cloud has n li...
2018-07-25 10:11:26
307
原创 HDU 6308(模拟)
Time ZoneTime Limit: 2000/1000 MS (Java/Others) Memory Limit: 32768/32768 K (Java/Others)Total Submission(s): 607 Accepted Submission(s): 204 Problem DescriptionChiaki often participates...
2018-07-24 00:09:33
651
原创 HDU 6304（找规律）
Chiaki Sequence RevisitedTime Limit: 2000/1000 MS (Java/Others) Memory Limit: 32768/32768 K (Java/Others)Total Submission(s): 634 Accepted Submission(s): 132 Problem DescriptionChiaki is...
2018-07-24 00:08:37
1431
原创 HDU 6301 （贪心）
Distinct ValuesTime Limit: 4000/2000 MS (Java/Others) Memory Limit: 32768/32768 K (Java/Others)Total Submission(s): 1091 Accepted Submission(s): 334 Problem DescriptionChiaki has an arra...
2018-07-24 00:05:28
478
原创 HDU 6300(排序）
Triangle PartitionTime Limit: 2000/1000 MS (Java/Others) Memory Limit: 132768/132768 K (Java/Others)Total Submission(s): 356 Accepted Submission(s): 189Special Judge Problem DescriptionC...
2018-07-24 00:02:24
220
原创 HDU 6299 (贪心)
Balanced SequenceTime Limit: 2000/1000 MS (Java/Others) Memory Limit: 32768/32768 K (Java/Others)Total Submission(s): 1003 Accepted Submission(s): 225 Problem DescriptionChiaki has n str...
2018-07-23 23:56:14
329
原创 HDU 6298(找规律)
Maximum MultipleTime Limit: 4000/2000 MS (Java/Others) Memory Limit: 32768/32768 K (Java/Others)Total Submission(s): 541 Accepted Submission(s): 243 Problem DescriptionGiven an integer n...
2018-07-23 23:45:29
341
原创 Codeforces Round #498 (Div. 3) F. Xor-Paths (折半搜索）
F. Xor-Pathstime limit per test3 secondsmemory limit per test256 megabytesinputstandard inputoutputstandard outputThere is a rectangular grid of size n×mn×m. Each cell has a number w...
2018-07-21 22:08:17
245
原创 牛客多校第二场 I car （找规律）
链接：https://www.nowcoder.com/acm/contest/140/I来源：牛客网 题目描述White Cloud has a square of n*n from (1,1) to (n,n).White Rabbit wants to put in several cars. Each car will start moving at the same tim...
2018-07-21 22:00:14
285
原创 牛客多校第二场 D money （贪心）
链接：https://www.nowcoder.com/acm/contest/140/D来源：牛客网 题目描述White Cloud has built n stores numbered from 1 to n.White Rabbit wants to visit these stores in the order from 1 to n.The store numbered...
2018-07-21 21:52:04
308
原创 牛客多校第二场 A run (dp)
链接：https://www.nowcoder.com/acm/contest/140/A来源：牛客网 题目描述White Cloud is exercising in the playground.White Cloud can walk 1 meters or run k meters per second.Since White Cloud is tired,it can't...
2018-07-21 21:49:23
334
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