DZY Loves Colors Time Limit: 2000ms Memory Limit: 262144KB This problem will be judged on CodeForces. Original ID: 445E64-bit integer IO format: %I64d      Java class name: (Any) DZY loves colors, and he enjoys painting. On a colorful day, DZY gets a…

题目大意:Codeforces 444C DZY Loves Colors 题目大意:两种操作,1是改动区间上l到r上面德值为x,2是询问l到r区间总的改动值. 解题思路:线段树模板题. #include <cstdio> #include <cstring> #include <cstdlib> #include <algorithm> using namespace std; const int maxn = 5*1e5; typedef long lo…

题目链接: http://codeforces.com/problemset/problem/444/C J. DZY Loves Colors time limit per test:2 secondsmemory limit per test:256 megabytes 问题描述 DZY loves colors, and he enjoys painting. On a colorful day, DZY gets a colorful ribbon, which consists of…

C. DZY Loves Colors 题目连接: http://codeforces.com/contest/444/problem/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). T…

C - DZY Loves Colors 思路: 分块,复杂度有点玄学,和普通分块不同的是在这个块被一次染色的时候暴力染整个块. 代码: #pragma GCC optimize(2) #pragma GCC optimize(3) #pragma GCC optimize(4) #include<bits/stdc++.h> using namespace std; #define fi first #define se second #define pi acos(-1.0) #defin…

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…

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…

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 thei-th unit of the ribbon is i at first. It is colorful enough, but w…

题目链接:Codeforces 444A DZY Loves Physics 题目大意:给出一张图,图中的每一个节点,每条边都有一个权值.如今有从中挑出一张子图,要求子图联通,而且被选中的随意两点.假设存在边,则一定要被选中.问说点的权值和/边的权值和最大是多少. 解题思路:是图论中的一个结论,最多两个节点.所以枚举两条边就能够了.我简单的推了一下,2个点的情况肯定比3个点的优. 如果有3个点a,b,c,权值分别为A,B.C 现a-b,b-c边的权值分别为u.v 那么对于两点的情况有A+Bu,B…

DZY Loves Chemistry Time Limit:1000MS     Memory Limit:262144KB     64bit IO Format:%I64d & %I64u Submit Status Practice CodeForces 445B Description DZY loves chemistry, and he enjoys mixing chemicals. DZY has n chemicals, and m pairs of them will re…