What will be the output of the following C code?#include

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What will be the output of the following C code?

#include <stdio.h>
    union U
    {
        int N;
        float F;
    };
    int main()
    {
        union U u, uu;
        u.N = 200;
        printf("%f\n", u.F);
    }

1. Implementation dependent
2. Compilation Error
3. 200.000000
4. 0.000000
5. None of these

Correct Option: D

0.000000