PAT甲级 1011 World Cup Betting (20 分)

太过爱你忘了你带给我的痛 2023-06-10 05:30 105阅读 0赞

For example, 3 games’ odds are given as the following:

W    T    L
    1.1  2.5  1.7
    1.2  3.1  1.6
    4.1  1.2  1.1

To obtain the maximum profit, one must buy W for the 3rd game, T for the 2nd game, and T for the 1st game. If each bet takes 2 yuans, then the maximum profit would be (4.1×3.1×2.5×65%−1)×2=39.31 yuans (accurate up to 2 decimal places).

**Input Specification:**  
Each input file contains one test case. Each case contains the betting information of 3 games. Each game occupies a line with three distinct odds corresponding to W, T and L.

**Output Specification:**  
For each test case, print in one line the best bet of each game, and the maximum profit accurate up to 2 decimal places. The characters and the number must be separated by one space.

**Sample Input:**

1.1 2.5 1.7
    1.2 3.1 1.6
    4.1 1.2 1.1

**Sample Output:**

T T W 39.31

#include<iostream>
    #include<vector>
    #include<iomanip>
    using namespace std;
    int main()
    { 
        float num[5];
        float sum=0.65,max; 
        int index;
        char bet[3]={ 'W','T','L'};
        for(int i=0;i<3;i++)
        { 
            cin>>num[0]>>num[1]>>num[2];
            max=num[0];
            index=0;
            for(int i=1;i<3;i++)
            { 
                if(num[i]>max)
                { 
                    index=i;
                    max=num[i];
                }
            }
            sum*=max;//乘以最大的数
            cout<<bet[index]<<" ";
        }
        cout<<fixed<<setprecision(2);
        cout<<(sum-1)*2;
        return 0;
    }

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