D. Lazy Student Time Limit: 20 Sec Memory Limit: 256 MB 题目连接 http://codeforces.com/contest/606/problem/D Description Student Vladislav came to his programming exam completely unprepared as usual. He got a question about some strange algorithm on a gr…
题目链接: http://codeforces.com/contest/606/problem/D D. Lazy Student time limit per test2 secondsmemory limit per test256 megabytes 问题描述 Student Vladislav came to his programming exam completely unprepared as usual. He got a question about some strange…
D. Lazy Student Student Vladislav came to his programming exam completely unprepared as usual. He got a question about some strange algorithm on a graph — something that will definitely never be useful in real life. He asked a girl sitting next to…
Codeforces Round #275 (Div. 1)A. Diverse Permutation Time Limit: 1 Sec Memory Limit: 256 MB 题目连接 http://codeforces.com/contest/482/problem/A Description Permutation p is an ordered set of integers p1, p2, ..., pn, consisting of n distinct posi…
B. Testing Robots Time Limit: 20 Sec Memory Limit: 256 MB 题目连接 http://www.codeforces.com/contest/606/problem/B Description The Cybernetics Failures (CF) organisation made a prototype of a bomb technician robot. To find the possible problems it was de…
C. Freelancer's Dreams Time Limit: 20 Sec Memory Limit: 256 MB 题目连接 http://www.codeforces.com/contest/605/problem/C Description Mikhail the Freelancer dreams of two things: to become a cool programmer and to buy a flat in Moscow. To become a cool pro…
C. Sorting Railway Cars Time Limit: 20 Sec Memory Limit: 256 MB 题目连接 http://www.codeforces.com/contest/606/problem/C Description An infinitely long railway has a train consisting of n cars, numbered from 1 to n (the numbers of all the cars are distin…
A. Magic Spheres Time Limit: 20 Sec Memory Limit: 256 MB 题目连接 http://www.codeforces.com/contest/606/problem/A Description Carl is a beginner magician. He has a blue, b violet and c orange magic spheres. In one move he can transform two spheres of the…
水 A - Magic Spheres 这题也卡了很久很久,关键是“至少”,所以只要判断多出来的是否比需要的多就行了. #include <bits/stdc++.h> using namespace std; #define lson l, mid, o << 1 #define rson mid + 1, r, o << 1 | 1 typedef long long ll; const int N = 1e5 + 5; const int INF = 0x3f3f…
A. Magic Spheres Carl is a beginner magician. He has a blue, b violet and c orange magic spheres. In one move he can transform two spheres of the same color into one sphere of any other color. To make a spell that has never been seen before, he nee…
C. Sorting Railway Cars An infinitely long railway has a train consisting of n cars, numbered from 1 to n (the numbers of all the cars are distinct) and positioned in arbitrary order. David Blaine wants to sort the railway cars in the order of incr…
B. Testing Robots time limit per test 2 seconds memory limit per test 256 megabytes input standard input output standard output The Cybernetics Failures (CF) o…
B. Testing Robots time limit per test 2 seconds memory limit per test 256 megabytes input standard input output standard output The Cybernetics Failures (CF) organisation made a prototype of a bomb technician robot. To find the possible problems it w…
C. Sorting Railway Cars time limit per test: 2 seconds memory limit per test: 256 megabytes input: standard input output: standard output An infinitely long railway has a train consisting…
A. Magic Spheres time limit per test 2 seconds memory limit per test 256 megabytes input standard input output standard output Carl is a beginner magician. He has a blue, b violet and c orange magic spheres. In one move he can transform two spheres o…
C. Sorting Railway Cars time limit per test 2 seconds memory limit per test 256 megabytes input standard input output standard output An infinitely long railway has a train consisting of n cars, numbered from 1 to n (the numbers of all the cars are d…
B. Testing Robots time limit per test 2 seconds memory limit per test 256 megabytes input standard input output standard output The Cybernetics Failures (CF) organisation made a prototype of a bomb technician robot. To find the possible problems it w…
C. K-special Tables 题目连接: http://www.codeforces.com/contest/625/problem/C Description People do many crazy things to stand out in a crowd. Some of them dance, some learn by heart rules of Russian language, some try to become an outstanding competitiv…
D. The table 题目连接: http://www.codeforces.com/contest/226/problem/D Description Harry Potter has a difficult homework. Given a rectangular table, consisting of n × m cells. Each cell of the table contains the integer. Harry knows how to use two spells…
C. Harmony Analysis 题目连接: http://www.codeforces.com/contest/610/problem/C Description The semester is already ending, so Danil made an effort and decided to visit a lesson on harmony analysis to know how does the professor look like, at least. Danil…
D. Regular Bridge Time Limit: 20 Sec Memory Limit: 256 MB 题目连接 http://codeforces.com/contest/550/problem/D Description An undirected graph is called k-regular, if the degrees of all its vertices are equal k. An edge of a connected graph is called a b…
A. 24 Game Time Limit: 1 Sec Memory Limit: 256 MB 题目连接 http://codeforces.com/contest/468/problem/A Description Little X used to play a card game called "24 Game", but recently he has found it too easy. So he invented a new game. Initially you ha…
B. School Marks Time Limit: 1 Sec Memory Limit: 256 MB 题目连接 http://codeforces.com/contest/540/problem/B Description Little Vova studies programming in an elite school. Vova and his classmates are supposed to write n progress tests, for each test the…
链接: https://codeforces.com/contest/1265/problem/D 题意: An integer sequence is called beautiful if the difference between any two consecutive numbers is equal to 1. More formally, a sequence s1,s2,-,sn is beautiful if |si−si+1|=1 for all 1≤i≤n−1. Trans…
B. Mahmoud and Ehab and the bipartiteness time limit per test 2 seconds memory limit per test 256 megabytes input standard input output standard output Mahmoud and Ehab continue their adventures! As everybody in the evil land knows, Dr. Evil likes bi…
C. Median Smoothing A schoolboy named Vasya loves reading books on programming and mathematics. He has recently read an encyclopedia article that described the method of median smoothing (or median filter) and its many applications in science and e…
