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  • hdu1517A Multiplication Game(巴什博弈变形)

    A Multiplication Game

    Time Limit: 5000/1000 MS (Java/Others)    Memory Limit: 65536/32768 K (Java/Others)
    Total Submission(s): 7442    Accepted Submission(s): 4213


    Problem Description
    Stan and Ollie play the game of multiplication by multiplying an integer p by one of the numbers 2 to 9. Stan always starts with p = 1, does his multiplication, then Ollie multiplies the number, then Stan and so on. Before a game starts, they draw an integer 1 < n < 4294967295 and the winner is who first reaches p >= n.
     
    Input
    Each line of input contains one integer number n.
     
    Output
    For each line of input output one line either 

    Stan wins. 

    or 

    Ollie wins.

    assuming that both of them play perfectly.
     
    Sample Input
    162 17 34012226
     
    Sample Output
    Stan wins. Ollie wins. Stan wins.
     

    题意:给出一个n,要求每人每次在p的基础上乘2-9之间的数,第一个使结果大于等于n的人获胜,p初始为1

    题解:巴什博弈的变形,先手想赢的话就应该要多乘2,要让后手输就多乘9.  emmmm  没毛病

     1 #include<bits/stdc++.h>
     2 using namespace std;
     3 int main() {
     4     long long n;
     5     while(~scanf("%lld",&n))
     6     {
     7         long long sum=1;
     8         for(int i=1;i++;)
     9         {
    10             if(sum>=n)
    11             {
    12                 sum=i;break;
    13             }
    14             if(i%2)
    15             {
    16                 sum*=2;
    17             }
    18             else 
    19             {
    20                 sum*=9;
    21             }
    22             
    23         }
    24 
    25         if(sum%2)printf("Stan wins.
    ");
    26         else printf("Ollie wins.
    ");
    27     }
    28     return 0;
    29 }
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  • 原文地址:https://www.cnblogs.com/fqfzs/p/9852871.html
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