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Gym 100646 Problem C: LCR 模拟题

2016-07-21 18:44 309 查看

Problem C: LCR

题目连接:

http://codeforces.com/gym/100646/attachments

Description

LCR is a simple game for three or more players. Each player starts with three chips and the object is to

be the last person to have any chips. Starting with Player 1, each person rolls a set of three dice. Each

die has six faces, one face with an L, one with a C, one with an R and three with a dot. For each L

rolled, the player must pass a chip to the player on their left (Player 2 is considered to be to the left of

Player 1); for each R rolled, the player passes a chip to the player on their right; and for each C rolled,

the player puts a chip in a central pile which belongs to no player. No action is taken for any dot that

is rolled. Play continues until only one player has any chips left. In addition, the following rules apply:

A player with no chips is not out of the game, since they may later gain chips based on other

players’ rolls.

A player with only 1 or 2 chips left only rolls 1 or 2 dice, respectively. A player with no chips left

does not roll but just passes the dice to the next player.

Your job is to simulate this game given a sequence of dice rolls.

Input

Input will consist of multiple test cases. Each test case will consist of one line containing an integer n

(indicating the number of players in the game) and a string (specifying the dice rolls). There will be at

most 10 players in any game, and the string will consist only of the characters ‘L’, ‘C’, ‘R’ and ‘.’. In

some test cases, there may be more dice rolls than are needed (i.e., some player wins the game before

you use all the dice rolls). If there are not enough dice rolls left to complete a turn (for example, only

two dice rolls are left for a player with 3 or more chips) then those dice rolls should be ignored. A value

of n = 0 will indicate end of input.

Output

For each test case, output the phrase “Game i:” on a single line (where i is the case number starting

at 1) followed by a description of the state of the game. This desciption will consist of n+1 lines of the

form

Player 1:c1

Player 2:c2

...

Player n:cn

Center:ct

where c1, c2 ... cn are the number of chips each player has at the time the simulation ended (either

because some player has won or there are no more remaining dice rolls) and ct is the number of chips

in the center pile. In addition, if some player has won, you should append the string “(W)” after their

chip count; otherwise you should append the string “(*)” after the chip count of the player who is the

next to roll. The only blank on any line should come before the game number or the player number.

Use a single blank line to separate test cases.

Sample Input

3 LR.CCR.L.RLLLCLR.LL..R...CLR.

5 RL....C.L 0

Sample Output

Game 1:

Player 1:0

Player 2:0

Player 3:6(W)

Center:3

Game 2:

Player 1:1

Player 2:4

Player 3:1

Player 4:4(*)

Player 5:4

Center:1

Hint

题意

模拟题,每个人一开始有三个薯片,然后从1开始,扔最多三个骰子,如果这个人的骰子小于3个的话,就扔他拥有的个数个骰子,如果他没有骰子的话,直接递给下个人。

如果扔到L,那么就把薯片给左边,扔到R就给右边,扔到C就扔中间,扔到点,什么都不做。

如果最后的骰子数小于这个人需要扔的,那就直接无视掉。

胜利条件是一个人拥有所有人最后的薯片。

如果游戏能结束,就直接输出胜利玩家,否则就输出下一个该谁扔。

题解:

模拟题,就模拟就好了。

代码

#include<bits/stdc++.h>
using namespace std;

int n;
string s;
int cnt[100];
int cas,mi,now,t;
void init(){
memset(cnt,0,sizeof(cnt));
t=0;
mi=0;
now=0;
}
void soe(int x,int y,int z){
for(int i=x;i<y;i++){
if(s[i]=='R'){
cnt[z]--;
cnt[(z+n-1)%n]++;
}
if(s[i]=='L'){
cnt[z]--;
cnt[(z+1)%n]++;
}
if(s[i]=='C'){
cnt[z]--;
mi++;
}
if(s[i]=='.')continue;
}
}
void solve(){
init();
mi=0;
printf("Game %d:\n",++cas);
memset(cnt,0,sizeof(cnt));
cin>>s;
for(int i=0;i<n;i++)cnt[i]=3;
int cccc=0;
int flag = -1;
while(t<s.size()){
cccc++;
if(cccc>1000000)break;
if(t+min(cnt[now],3)<=s.size()){
int pre = cnt[now];
soe(t,t+min(cnt[now],3),now);
t+=min(pre,3);
now++;
now%=n;
while(cnt[now]==0){
now++;
now%=n;
}
}else{
break;
}

for(int i=0;i<n;i++){
if(cnt[i]+mi==3*n)flag=i;
}

if(flag!=-1)break;
}

for(int i=0;i<n;i++){
printf("Player %d:%d",i+1,cnt[i]);
if(flag==i)printf("(W)");
if(flag==-1&&i==now)printf("(*)");
printf("\n");
}

printf("Center:%d\n",mi);
printf("\n");
}
int main(){
//freopen("1.in","r",stdin);
while(scanf("%d",&n)!=EOF){
if(n==0)break;
solve();
}
}
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