int main() {
char line[100];
int points[6], row[6], col[6];
int i, n, isvalid;
while (gets(line), strlen(line)) {
n = sscanf(line, "%d %d %d %d %d %d", points, points+1, points+2,
points+3, points+4, points+5);
for (i=0; i<n; i++) printf("%d ", points[i]);
qsort(points, n, sizeof(int), Cmp);
for (i=0; i<n; i++) {
RowCol(points[i], row+i, col+i);
}
isvalid = (n==3) ? Triangle(row, col) :
(n==4) ? Parallelogram(row, col) :
(n==6) ? Hexagon(row, col) :
0;
printf("are %sthe vertices of %s\n",
isvalid ? "" : "not ",
!isvalid ? "an acceptable figure" :
n==3 ? "a triangle" :
n==4 ? "a parallelogram" : "a hexagon");
}
return 0;
}
Parallelogram Parallelogram::operator/(float factor)
{
return Parallelogram(firstSide / factor, secondSide / factor, intersectionPoint);
}
