HDU 4764 Stone (2013长春网络赛,水博弈)
2013-09-29 17:33
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Stone
Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 32768/32768 K (Java/Others)Total Submission(s): 179 Accepted Submission(s): 137
[align=left]Problem Description[/align]
Tang and Jiang are good friends. To decide whose treat it is for dinner, they are playing a game. Specifically, Tang and Jiang will alternatively write numbers (integers) on a white board. Tang writes first, then Jiang, then again Tang, etc... Moreover, assuming that the number written in the previous round is X, the next person who plays should write a number Y such that 1 <= Y - X <= k. The person who writes a number no smaller than N first will lose the game. Note that in the first round, Tang can write a number only within range [1, k] (both inclusive). You can assume that Tang and Jiang will always be playing optimally, as they are both very smart students.
[align=left]Input[/align]
There are multiple test cases. For each test case, there will be one line of input having two integers N (0 < N <= 10^8) and k (0 < k <= 100). Input terminates when both N and k are zero.
[align=left]Output[/align]
For each case, print the winner's name in a single line.
[align=left]Sample Input[/align]
1 1
30 3
10 2
0 0
[align=left]Sample Output[/align]
Jiang
Tang
Jiang
[align=left]Source[/align]
2013 ACM/ICPC Asia Regional Changchun Online
[align=left]Recommend[/align]
liuyiding
很水的博弈,和取石子游戏是一样的。
必败点是 (n-1)%(k+1)==0
/* *********************************************** Author :kuangbin Created Time :2013/9/28 星期六 12:09:01 File Name :2013长春网络赛\1006.cpp ************************************************ */ #pragma comment(linker, "/STACK:1024000000,1024000000") #include <stdio.h> #include <string.h> #include <iostream> #include <algorithm> #include <vector> #include <queue> #include <set> #include <map> #include <string> #include <math.h> #include <stdlib.h> #include <time.h> using namespace std; int n,k; int main() { //freopen("in.txt","r",stdin); //freopen("out.txt","w",stdout); while(scanf("%d%d",&n,&k) == 2) { if(n == 0 && k == 0)break; if((n-1)%(k+1) == 0)printf("Jiang\n"); else printf("Tang\n"); } return 0; }
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