Answer Posted / asadhsheriff

int main()
{
int a[20],i,j,count=0;
memset(a,0,20);
for(;count<=20;)
{
scanf("%d",&j);
if(a[j]==0)
{
count++;
a[j]=j;
}
}
i=20(10)/2;
printf("The sum is %d",i);
}

#include main() { enum _tag{ left=10, right, front=100, back}; printf("left is %d, right is %d, front is %d, back is %d",left,right,front,back); }

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