diff options
Diffstat (limited to 'graph/bitonicTSPsimple.cpp')
| -rw-r--r-- | graph/bitonicTSPsimple.cpp | 28 |
1 files changed, 0 insertions, 28 deletions
diff --git a/graph/bitonicTSPsimple.cpp b/graph/bitonicTSPsimple.cpp deleted file mode 100644 index 96ae5bd..0000000 --- a/graph/bitonicTSPsimple.cpp +++ /dev/null @@ -1,28 +0,0 @@ -vector<vector<double>> dist; // Entfernungen zwischen Punkten. -vector<vector<double>> dp; - -double get(int p1, int p2) { - int v = max(p1, p2) + 1; - if (v == sz(dist)) return dist[p1][v - 1] + dist[p2][v - 1]; - if (dp[p1][p2] >= 0.0) return dp[p1][p2]; - double tryLR = dist[p1][v] + get(v, p2); - double tryRL = dist[p2][v] + get(p1, v); - return dp[p1][p2] = min(tryLR, tryRL); -} - -void bitonicTour() { - dp = vector<vector<double>>(sz(dist), - vector<double>(sz(dist), -1)); - get(0, 0); - // return dp[0][0]; // Länger der Tour - vector<int> lr = {0}, rl = {0}; - for (int p1 = 0, p2 = 0, v; (v = max(p1, p2)+1) < sz(dist);) { - if (dp[p1][p2] == dist[p1][v] + dp[v][p2]) { - lr.push_back(v); p1 = v; - } else { - rl.push_back(v); p2 = v; - }} - lr.insert(lr.end(), rl.rbegin(), rl.rend()); - // Enthält Knoten 0 zweimal. An erster und letzter Position. - // return lr; -} |
