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Diffstat (limited to 'graph/bitonicTSP.cpp')
| -rw-r--r-- | graph/bitonicTSP.cpp | 31 |
1 files changed, 0 insertions, 31 deletions
diff --git a/graph/bitonicTSP.cpp b/graph/bitonicTSP.cpp deleted file mode 100644 index e8fc2cb..0000000 --- a/graph/bitonicTSP.cpp +++ /dev/null @@ -1,31 +0,0 @@ -vector<vector<double>> dist; // Initialisiere mit Entfernungen zwischen Punkten. - -void bitonicTSP() { - vector<double> dp(sz(dist), HUGE_VAL); - vector<int> pre(sz(dist)); // nur für Tour - dp[0] = 0; dp[1] = 2 * dist[0][1]; pre[1] = 0; - for (unsigned int i = 2; i < sz(dist); i++) { - double link = 0; - for (int j = i - 2; j >= 0; j--) { - link += dist[j + 1][j + 2]; - double opt = link + dist[j][i] + dp[j + 1] - dist[j][j + 1]; - if (opt < dp[i]) { - dp[i] = opt; - pre[i] = j; - }}} - // return dp.back(); // Länger der Tour - - int j, n = sz(dist) - 1; - vector<int> ut, lt = {n, n - 1}; - do { - j = pre[n]; - (lt.back() == n ? lt : ut).push_back(j); - for (int i = n - 1; i > j + 1; i--) { - (lt.back() == i ? lt : ut).push_back(i - 1); - } - } while(n = j + 1, j > 0); - (lt.back() == 1 ? lt : ut).push_back(0); - reverse(all(lt)); - lt.insert(lt.end(), all(ut)); - //return lt;// Enthält Knoten 0 zweimal. An erster und letzter Position. -} |
