Array Transformer Time Limit: 5000ms Memory Limit: 131072KB This problem will be judged on UVA. Original ID: 1200364-bit integer IO format: %lld Java class name: Main Write a program to transform an array A[1], A[2],..., A[n] according to m in…
题意:给定一个序列,然后有 m 个修改,问你最后的序列是什么,修改是这样的 l r v p 先算出从 l 到 r 这个区间内的 小于 v 的个数k,然后把第 p 个的值改成 k * u / (r - l + 1). 析:分块,每块长度是sz,把每一块都排序.然后在每次修改的时候,只要计算出 l 和 r 所在块,中间的用二分可以算出来.注意同时要把分块中的数也改掉. 代码如下: #pragma comment(linker, "/STACK:1024000000,1024000000")…
大白上的原题,我就练练手... #include <bits/stdc++.h> using namespace std; typedef long long ll; ; ; ll block[N / SIZE + ][SIZE + ]; ll A[N]; int query(int L, int R, int v) { ; int lb = L / SIZE, rb = R / SIZE; if(lb == rb) { for(int i = L; i <= R; ++i) if(A[…
Description Write a program to transform the permutation 1, 2, 3,..., n according to m instructions. Each instruction (a, b) means to take out the subsequence from the a-th to the b-th element, reverse it, then append it to the end. Input There is on…
题目来源:https://uva.onlinejudge.org/index.php?option=com_onlinejudge&Itemid=8&category=3&page=show_problem&problem=44 Maximum Sum Background A problem that is simple to solve in one dimension is often much more difficult to solve in more th…
Easy Problem from Rujia Liu? Though Rujia Liu usually sets hard problems for contests (for example, regional contests like Xi'an 2006, Beijing 2007 and Wuhan 2009, or UVa OJ contests like Rujia Liu's Presents 1 and 2), he occasionally sets easy probl…
``Dynamic'' Inversion Time Limit: 20 Sec Memory Limit: 256 MB 题目连接 https://uva.onlinejudge.org/index.php?option=com_onlinejudge&Itemid=8&page=show_problem&problem=3141 Description You are given a permutation f1,2,3,. . . ,ng. Remove m of them…
Easy Problem from Rujia Liu? Though Rujia Liu usually sets hard problems for contests (for example, regional contests like Xi'an 2006, Beijing 2007 and Wuhan 2009, or UVa OJ contests like Rujia Liu's Presents 1 and 2), he occasionally sets easy probl…
11991 - Easy Problem from Rujia Liu? Time limit: 1.000 seconds Problem E Easy Problem from Rujia Liu? Though Rujia Liu usually sets hard problems for contests (for example, regional contests like Xi'an 2006, Beijing 2007 and Wuhan 2009, or UVa OJ con…
题目地址: http://uva.onlinejudge.org/index.php?option=com_onlinejudge&Itemid=8&page=show_problem&problem=258 http://poj.org/problem?id=1138 题目描写叙述: Ships Probably everyone who ever attended school knows the game where two opposing players place…
Though Rujia Liu usually sets hard problems for contests (for example, regional contests likeXi’an 2006, Beijing 2007 and Wuhan 2009, or UVa OJ contests like Rujia Liu’s Presents 1and 2), he occasionally sets easy problem (for example, ‘the Coco-Cola…