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#include<math.h>
h(x){return x&2?pow(x,x&1?x:2):(x&1)*2*x;}
main()
{int i;
 for(i=0;i<20;++i)
       printf("%u %u\n", i, h(i));
}

Success #stdin #stdout 0s 9432KB

stdin

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Standard input is empty

stdout

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0 0
1 2
2 4
3 27
4 0
5 10
6 36
7 823543
8 0
9 18
10 100
11 2147483648
12 0
13 26
14 196
15 2147483648
16 0
17 34
18 324
19 2147483648

https://ideone.com/4eI270

language:

C (gcc 8.3)

created:

visibility:

public

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