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  • Beat the Spread![HDU1194]

    Beat the Spread!

    Time Limit: 2000/1000 MS (Java/Others)    Memory Limit: 65536/32768 K (Java/Others)
    Total Submission(s): 3482    Accepted Submission(s): 1821

     

    Problem Description
    Superbowl Sunday is nearly here. In order to pass the time waiting for the half-time commercials and wardrobe malfunctions, the local hackers have organized a betting pool on the game. Members place their bets on the sum of the two final scores, or on the absolute difference between the two scores.

     

    Given the winning numbers for each type of bet, can you deduce the final scores?
     

     

    Input
    The first line of input contains n, the number of test cases. n lines follow, each representing a test case. Each test case gives s and d, non-negative integers representing the sum and (absolute) difference between the two final scores.
     

     

    Output
    For each test case, output a line giving the two final scores, largest first. If there are no such scores, output a line containing "impossible". Recall that football scores are always non-negative integers.
     

     

    Sample Input
    2
    40 20
    20 40
     

     

    Sample Output
    30 10
    impossible
     

     

    Source
    University of Waterloo Local Contest 2005.02.05
     

     

    Recommend
    Ignatius.L

    #include<stdio.h>
    int main()
    {
        int T;
        scanf("%d",&T);
        while (T--)
        {
            int u,v;
            scanf("%d%d",&u,&v);
            if (u<v || (u+v)&1) printf("impossible
    ");
            else printf("%d %d
    ",(u+v)/2,(u-v)/2);
        }
        return 0;
    }
    

     

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  • 原文地址:https://www.cnblogs.com/dramstadt/p/3202660.html
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