CCPC Final指的是CCPC(可能是一个编程竞赛或类似活动)的决赛,是国内赛季的最后一战,也是最艰难的一次。 'ccpc final'的全面解析 'ccpc final'的基本定义与背景 'CCPC Final'是CCPC(中国大学生程序设计竞赛)的决赛阶段,是国内赛季的巅峰对决,汇聚了来自全国各地的编程精英。CCPC作为国内顶尖的...
ostream &operator<<(ostream &cout, lll x) {staticchars[60];inttp=1; s[0]='0'+(x%10);while(x/=10) s[tp++]='0'+(x%10);while(tp--)cout<<s[tp];returncout; }#if!defined(ONLINE_JUDGE)#include"my_header/IO.h"#include"my_header/defs.h"#else#definedbg(...) ;#definedbgx...
EC-Final 后杜老师手里还有一个 CCPC Final 的活，在某次【数据删除】吹水的时候问了一下杜老师，于...
这个题的来源是上个学期密码课学的Feistel cipher，用于从 pseudo random function 构造 pseudo random pe...
第一种跟模拟赛上想到的思路比较接近(贪心),下面是代码。 #include<bits/stdc++.h>#defineri register int#definell long longusingnamespacestd;constintmaxn =4e3+10,mod =1e9+7;inlineintrd(){intres =0,f =0;charch =getchar();for(;!isdigit(ch);ch =getchar())if(ch =='-') f =1;for...
(CCPC-Final 2018)K - Mr. Panda and Kakin,题意:x是$[1e5,1e9]$的随机数,p是小于x的最大素数,q是大于等于x的最小素数,$n=pq$,$c=f^{2^{30}+3}\mod{n}$,给n和c求f题解:rsa解密,首先在$sqrt(n)$附近找到p和q,让$r=(p1)(q1)$,$e=2^{30}+3$,$de\mod
2016CCPC-Final 2016CCPC-Final A.The Third Cup is Free 1 #include <bits/stdc++.h> 2using namespace std;3 typedef long long ll;4 inline int read()5 { 6int x=0,f=1;char ch=getchar();7while(ch<'0'||ch>'9'){if(ch=='-')f=-1;ch=getchar();} 8while(ch>='0'&&ch<='...
2019 (CCPC-Final 2019) K. Russian Dolls on the Christmas(dsu one tree),LINK子树内的问题,每次把子树内的点扔进数组里暴力维护保留重儿子启发式合并即可#include<bits/stdc++.h>usingnamespacestd;constintmaxn=2e6+10;intt,n;structedge{intto,nxt;}d[maxn];intheaed[
CCPC - Final 2018 2018 China Collegiate Programming Contest Final A Mischievous Problem Setter 题目链接题意:n道题,每道题具有难度和时间,按照难度解题,求m分钟解题数量思路:按顺序计算总和即可 #include<bits/stdc++.h> using namespace std; using ll = long long; const int maxn = 1e5 + 5; const...
The 17th round of the first Universal Cup is happening this week. The contest is based on the Final Contest of the China Collegiate Programming Contest (中国大学生程序设计竞赛, CCPC), which took place in Guangzhou on May 14th, 2023. Around 130 teams joined the on-site round. Onsite Judges...