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#include 

    union fi_t
    {
        unsigned int i;
        float f;
    };

int main() {
  
    fi_t fi;
    fi.f = 1.0f;
    printf("%08X",fi.i);
    return 0;
}
Success #stdin #stdout 0.01s 2724KB
stdin
Standard input is empty
stdout
3F800000