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void sort(int a1[]){
int temporary;
int x, z;
int dup[11];
for(x = 1; x < 12; x++)
{
for(z = 12  1; z >= x; z)
{
if(a1[z] > a1[z1])
{
temporary = a1[z];
a1[z] = a1[z1];
a1[z  1] = temporary;
}
}
}
x = 0;
for(z = 0; z < 12; z++)
{
if(a1[z] = a1[z+1]);
{
if(a1[z+1] = dup[x]);
else
{
dup[x] = a1[z];
x + 1;
}
}
}
printf("Duplicate numbers: %d, %d, %d, %d, %d, %d, %d, %d, %d, %d, %d", dup[0], dup[1], dup[2], dup[3], dup[4], dup[5], dup[6], dup[7], dup[8], dup[9], dup[10]);
return;
}
 