C.As Simple as One and Two A. As Simple as One and Two time limit per test 3 seconds memory limit per test 256 megabytes input standard input output s
Codeforce 1277 C. As Simple as One and Two 一、内容 题意:不能出现one 或者 two 这2个字符串。问最少需要删除那些字符,并输出删除的位置。 二、思路 我们只需要删除one的n 或者是two的w就可以让一个字符串不出现这2个串。 特殊情况:当 twone这种情况时,我们需要删除的是 o 这个字符。 三、代码 AI...
i recently encountered a problem —1208B - Uniqueness I have use a simple Binary search approach for that problem I have 2 submissions , both are using Binary search and both have same worst case time complexity of O(N^2 log^2(N)) but one gives TLE and the other gets AC AC submissio...
If it is impossible to wipe out all walls by placing and triggering exactly one bomb, then print "NO" in the first line (without quotes). Otherwise print "YES" (without quotes) in the first line and two integers in the second line — the coordinates of the cell at which the bomb sho...
Hello Codeforces! We (twoplusthree,VS-Codes,Anupam_Ghoshandom_mittal7) are glad to invite everyone toReplay of JU BitFest Season One 2023which is scheduled on [contest_time:445869]. BitFest is an annual ICPC-style Programming Contest organised for freshers and sophomores of Jadavpur University...
Codeforces Round #741 (Div. 2) D2. Two Hundred Twenty One (hard version) (思维,前缀和) 题意:有一长度为nn的字符串,+表示1,-表示-1,字符串的子区间[l,r][l,r]的贡献为,al−al+1+al+2−al+3...al−al+1+al+2−al+3...,qq次询问,每次询问一个区间,问最少删去几个位置的...
Let’s call a string good if and only if it consists of only two types of letters —‘a’ and ‘b’ and every two consecutive letters are distinct. For example “baba” and “aba” are good strings and “abb” is a bad string. You have a strings “a”, b strings “b” and c...
There arencities andmtwo-way roads in Berland, each road connects two cities. It is known that there is no more than one road connecting each pair of cities, and there is no road which connects the city with itself. It is possible that there is no way to get from one city to some ...
The game ends when exactly two cards are left on the table. The digits on these cards determine the number in binary notation: the most significant bit is located to the left. Masha's aim is to minimize the number and Petya's aim is to maximize it. ...
CodeForces 1000F One Occurrence( 离线处理+线段树解法) 离线处理文章分类Spark大数据 F. One Occurrence time limit per test:3 seconds memory limit per test:768 megabytes input:standard input output:standard output You are given an array a consisting of n integers, and q queries to it. i-th ...