题目链接 java的水题,特判啊...依旧无法1Y. import java.util.*; import java.math.*; public class Main { public static void main(String[] args) { Scanner cin = new Scanner(System.in); int prim[] = new int[100]; int i,j,n,num; num = 0; BigInteger ans,temp,t; for(i = 2;…
Petya and Staircases CodeForces - 362B 题意: 一个小男孩要上楼梯,他一次可以走1个台阶或2个台阶或3个台阶,但是有一些台阶是脏的,他不想走在脏台阶上.一共有n个台阶和m个脏台阶,他最开始在第1个台阶上,要走到第n个台阶.问小男孩能不能不踩到脏台阶的前提下走到n个台阶. Input The first line contains two integers n and m (1 ≤ n ≤ 109, 0 ≤ m ≤ 3000) — the number of…
Petya has a simple graph (that is, a graph without loops or multiple edges) consisting of n n vertices and m m edges. The weight of the i i -th vertex is a i ai . The weight of the i i -th edge is w i wi . A subgraph of a graph is some set of the g…
cf之路,1,Codeforces Round #345 (Div. 2) ps:昨天第一次参加cf比赛,比赛之前为了熟悉下cf比赛题目的难度.所以做了round#345连试试水的深浅..... 其实这个应该是昨天就写完的,不过没时间了,就留到了今天.. 地址:http://codeforces.com/contest/651/problem/A A. Joysticks time limit per test 1 second memory limit per test 256…
CF memsql Start[c]UP 2.0 A A. Golden System time limit per test 1 second memory limit per test 256 megabytes input standard input output standard output Piegirl got bored with binary, decimal and other integer based counting systems. Recently she dis…
CF memsql Start[c]UP 2.0 B B. Distributed Join time limit per test 1 second memory limit per test 256 megabytes input standard input output standard output Piegirl was asked to implement two table join operation for distributed database system, minim…
E. Sign on Fence time limit per test 4 seconds memory limit per test 256 megabytes input standard input output standard output Bizon the Champion has recently finished painting his wood fence. The fence consists of a sequence of n panels of 1 meter w…
Could not load file or assembly 'MySql.Data.CF, Version=6.4.4.0, Culture=neutral, PublicKeyToken=c5687fc88969c44d, Retargetable=Yes' or one of its dependencies. The given assembly name or codebase was invalid. (Exception from HRESULT: 0x80131047 I so…
题目链接: 传送门 Dubstep Time Limit: 1000MS Memory Limit: 32768 KB Description Vasya works as a DJ in the best Berland nightclub, and he often uses dubstep music in his performance. Recently, he has decided to take a couple of old songs and make dubstep…
Freelancer's Dreams time limit per test 2 seconds memory limit per test 256 megabytes input standard input output standard output Mikhail the Freelancer dreams of two things: to become a cool programmer and to buy a flat in Moscow. To become a cool p…
