1351B - Square - CodeForces Solution

brute force implementation math *900

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Python Code: 

R=lambda:sorted(map(int,input().split()))
t,=R()
for _ in[0]*t:a,b=R();c,d=R();print('NYOE S'[b==d==a+c::2])

C++ Code: 

#include<iostream>
int main()  {
    int t;
    std::cin >> t;

    while (t--) {
        int a, b, c, d;
        std::cin >> a >> b >> c >> d;

        if (a > b)
            std::swap(a, b);
        if (c > d)
            std::swap(c, d);

        if (a + c == b && b == d)
            std::cout << "YES" << std::endl;
        else std::cout << "NO" << std::endl;
    }
}


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