void checksum(int m[], int pos, int *seven, int *sodd)
{
if(pos>=MAX)
{
printf("sodd: %d, seven: %d.\n", *sodd, *seven);
return;
}
if (pos==0)
{
*seven = m[pos];
checksum(m, pos+1, seven, sodd);
return;
}
if (pos==1)
{
*sodd = m[pos];
checksum(m, pos+1, seven, sodd);
return;
}
if (!(pos%2))
{
*seven = *seven + m[pos];
checksum(m, pos+1, seven, sodd);
}
else
{
*sodd= *sodd + m[pos];
checksum(m, pos+1, seven, sodd);
}
return;
}
int main(void)
{
int mat[MAX]={0,1,2,3,4,5,6,7,8,9};
int seven, sodd;
checksum(mat, 0, &seven, &sodd);
}