UVa 437 — The Tower of Babylon

LIS

Problem : 437 — The Tower of Babylon

Hints

1. Every block with ( x, y, z ) can be map to six different blocks
   ( x, y, z )
   ( y, x, z )
   ( x, z, y )
   ( z, x, y )
   ( y, z, x )
   ( z, y, x )
2. Push all these blocks into vector
3. Sort
4. LIS ( carefully check your comparison)

p.s. tuple is so cool 😍 😍 😍

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