From abadc0e24d7fd1ade52e3ced31892cf5037b9cf6 Mon Sep 17 00:00:00 2001
From: Franciszek Malinka <franciszek.malinka@gmail.com>
Date: Tue, 26 Apr 2022 01:40:02 +0200
Subject: Small changes

---
 src/solver.cpp | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

(limited to 'src/solver.cpp')

diff --git a/src/solver.cpp b/src/solver.cpp
index d05771a..0625bf6 100644
--- a/src/solver.cpp
+++ b/src/solver.cpp
@@ -83,10 +83,13 @@ std::vector<rotations> Solver::get_solve_pruning(cube_t cube) {
 
 #define TILE_VAL(i) (face>>((i)<<2)&0xf)
 #define CMP_TILES(i, j) (uint32_t)(!!(TILE_VAL(i)==TILE_VAL(j)))
+#define MAX_MOVES_CNT 20 
 
 /* Count number of neibourgh tiles of the same color */
 __attribute__((optimize("unroll-loops")))
 heur_t Solver::heuristic(const cube_t cube, const uint16_t moves_cnt) {
+  if (moves_cnt > MAX_MOVES_CNT)
+	return INT32_MIN; 
   heur_t value = 0;
   int i, j;
   face_t face;
@@ -194,7 +197,7 @@ std::vector<rotations> Solver::solve(const cube_t cube) {
 	}
   }
 
-  std::cerr << "Found solution!\n" << "\n";
+  // std::cerr << "Found solution!\n";
   auto res = retrieve_solution(state);
   auto prun_res = get_solve_pruning(state);
   //std::cerr << prun_res.size() << "\n";
-- 
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