Problem description Petya loves football very much. One day, as he was watching a football match, he was writing the players' current positions on a piece of paper. To simplify the situation he depicted it as a string consisting of zeroes and ones. A…
A. Football time limit per test 2 seconds memory limit per test 256 megabytes input standard input output standard output Petya loves football very much. One day, as he was watching a football match, he was writing the players' current positions on a…
A. Football time limit per test 2 seconds memory limit per test 256 megabytes input standard input output standard output Petya loves football very much. One day, as he was watching a football match, he was writing the players' current positions on a…
传送门 NanoApe Loves Sequence Ⅱ Time Limit: 4000/2000 MS (Java/Others) Memory Limit: 262144/131072 K (Java/Others)Total Submission(s): 1585 Accepted Submission(s): 688 Description NanoApe, the Retired Dog, has returned back to prepare for for the…
传送门 NanoApe Loves Sequence Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 262144/131072 K (Java/Others) Total Submission(s): 1323 Accepted Submission(s): 521 Description NanoApe, the Retired Dog, has returned back to prepare for the Natio…
C. DZY Loves Colors time limit per test 2 seconds memory limit per test 256 megabytes input standard input output standard output DZY loves colors, and he enjoys painting. On a colorful day, DZY gets a colorful ribbon, which consists of n units (they…
题目 Source http://codeforces.com/problemset/problem/444/C Description DZY loves colors, and he enjoys painting. On a colorful day, DZY gets a colorful ribbon, which consists of n units (they are numbered from 1 to n from left to right). The color of t…
A. DZY Loves Chessboard time limit per test 1 second memory limit per test 256 megabytes input standard input output standard output DZY loves chessboard, and he enjoys playing with it. He has a chessboard of n rows and m columns. Some cells of the c…
#include <iostream> #include <cstdio> #include <cstring> #include <cmath> #include <algorithm> using namespace std; #define PI pair<int,int> #define fi first #define se second #define mp(a,b) make_pair(a,b) #define maxn…
题目链接: 传送门 DZY Loves Chemistry time limit per test1 second memory limit per test256 megabytes Description DZY loves Physics, and he enjoys calculating density. Almost everything has density, even a graph. We define the density of a non-directed gr…
题目链接: 传送门 DZY Loves Chemistry time limit per test:1 second memory limit per test:256 megabytes Description DZY loves chemistry, and he enjoys mixing chemicals. DZY has n chemicals, and m pairs of them will react. He wants to pour these chemicals…
很久以前就见过的...最基本的概率DP...除法配合位运算可以很容易的判断下一场要和谁比. from——Dinic算法 Football Time Limit: 1000MS Memory Limit: 65536K Total Submissions: 2499 Accepted: 1258 Description Consider a single-elimination football tournament involving…
Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 65536/65536 K (Java/Others)Total Submission(s): 538 Accepted Submission(s): 259 Problem Description Memphis loves xor very musch.Now he gets an array A.The length of A is n.Now he wants to kn…
However, I do notice that to make the dark situation happen, it doesn't require the topleft matrix to be realized. It could even be some matrix as below at minimum, Human, AIHuman no noAI yes/no no(or yes doesn't even matte…
The football foundation (FOFO) has been researching on soccer; they created a set of sensors to describe the ball behavior based on a grid uniformly distributed on the field. They found that they could predict the ball movements based on historical a…
DZY Loves Topological Sorting Time Limit: 4000/2000 MS (Java/Others) Memory Limit: 131072/131072 K (Java/Others) Total Submission(s): 866 Accepted Submission(s): 250 Problem Description A topological sort or topological ordering of a directed g…
NanoApe Loves Sequence Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 262144/131072 K (Java/Others)Total Submission(s): 440 Accepted Submission(s): 205 Problem Description NanoApe, the Retired Dog, has returned back to prepare for the Nat…
时间限制:1000MS 内存限制:65535K 提交次数:0 通过次数:0 题型: 编程题 语言: C++;C Description As every one known, a football team has 11 players . Now, there is a big problem in front of the Coach Liu. The final contest is getting closer. Who is the center defense, the ful…
In mathematical terms, the sequence Fn of Fibonacci numbers is defined by the recurrence relation F1 = 1; F2 = 1; Fn = Fn - 1 + Fn - 2 (n > 2). DZY loves Fibonacci numbers very much. Today DZY gives you an array consisting of n integers: a1, a2, ...,…
Human Gene Functions Time Limit: 1000MS Memory Limit: 10000K Total Submissions: 18053 Accepted: 10046 Description It is well known that a human gene can be considered as a sequence, consisting of four nucleotides, which are simply denoted by four let…
DZY Loves Chemistry time limit per test 1 second memory limit per test 256 megabytes input standard input output standard output DZY loves chemistry, and he enjoys mixing chemicals. DZY has n chemicals, and m pairs of them will react. He wants to pou…
DZY Loves Chessboard time limit per test 1 second memory limit per test 256 megabytes input standard input output standard output DZY loves chessboard, and he enjoys playing with it. He has a chessboard of n rows and m columns. Some cells of the ches…