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  • 三角形问题

    问题:You are given the side lengths of a triangle, determine is it an acute triangle, right triangle or obtuse triangle.
     
    Input
    The first line contains an integer T indicating the number of test cases.
    For each test case, there is a single line contains three integer A, B and C indicating the side lengths of the triangle. (You can assume it is a valid triangle)

    Technical Specification
    1. 1 <= T <= 50
    2. 1 <= A,B,C <= 100
     
    Output
    For each test case, output the case number first, then output "Acute triangle", "Right triangle" or "Obtuse triangle".
     
    Sample Input
    3
    2 2 2
    4 8 5
    3 4 5

    Sample Output
    Case 1: Acute triangle
    Case 2: Obtuse triangle
    Case 3: Right triangle

    回答:

    #include<iostream>
    using namespace std;

    int main()
    {
        int n, p=1;
        scanf("%d", &n);
        while(n--)
        {
            int a, b, c;
            scanf("%d%d%d", &a, &b, &c);
            int t;
            if(a > b)
            {
                t=a;
                a=b;
                b=t;
            }
            if(b > c)
            {
                t=b;
                b=c;
                c=t;
            }
            if(a > b)
            {
                t=a;
                a=b;
                b=t;
            }
            printf("Case %d: ", p++);
            if(a*a+b*b == c*c)
                printf("Right triangle ");
            else if(a*a+b*b > c*c)
                printf("Acute triangle ");
            else
                printf("Obtuse triangle ");
        }
        return 0;
    }

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  • 原文地址:https://www.cnblogs.com/benchao/p/4606292.html
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