diff options
Diffstat (limited to 'other/divideAndConquer.cpp')
| -rw-r--r-- | other/divideAndConquer.cpp | 27 |
1 files changed, 0 insertions, 27 deletions
diff --git a/other/divideAndConquer.cpp b/other/divideAndConquer.cpp deleted file mode 100644 index 92ec0ef..0000000 --- a/other/divideAndConquer.cpp +++ /dev/null @@ -1,27 +0,0 @@ -vector<vector<ll>> dp; -vector<vector<ll>> C; - -void rec(int i, int j0, int j1, int k0, int k1) { - if (j1 < j0) return; - int jmid = (j0 + j1) / 2; - - dp[i][jmid] = inf; - int bestk = k0; - for (int k = k0; k < min(jmid, k1 + 1); ++k) { - if (dp[i - 1][k] + C[k + 1][jmid] < dp[i][jmid]) { - dp[i][jmid] = dp[i - 1][k] + C[k + 1][jmid]; - bestk = k; - }} - - rec(i, j0, jmid - 1, k0, bestk); - rec(i, jmid + 1, j1, bestk, k1); -} - -ll calc(int n, int k) { - dp = vector<vector<ll>>(k, vector<ll>(n, inf)); - for (int i = 0; i < n; i++) dp[0][i] = C[0][i]; - for (int i = 1; i < k; i++) { - rec(i, 0, n - 1, 0, n - 1); - } - return dp[k - 1][n - 1]; -} |
