public double getGlobalCost(SearchState state) {
int[] permutations = state.getIArray();
int[][] costMatrix = dataStorager.getCostMatrix();
int totalLength = costMatrix[permutations[permutations.length - 1]][permutations[0]];
for (int i = 1; i < permutations.length; i++) {
totalLength += costMatrix[permutations[i - 1]][permutations[i]];
}
return totalLength;
}
