From 5ab8a5088b729a9953b8dff1b2a985dc8fb2098b Mon Sep 17 00:00:00 2001 From: mzuenni Date: Mon, 27 Jun 2022 17:19:28 +0200 Subject: updated tcr --- other/knuth.cpp | 15 +++++++++++++++ 1 file changed, 15 insertions(+) create mode 100644 other/knuth.cpp (limited to 'other/knuth.cpp') diff --git a/other/knuth.cpp b/other/knuth.cpp new file mode 100644 index 0000000..f47dbe0 --- /dev/null +++ b/other/knuth.cpp @@ -0,0 +1,15 @@ +ll calc(int n, int k, const vector> &C) { + vector> dp(k, vector(n, inf)); + vector> opt(k, vector(n + 1, n - 1)); + + for (int i = 0; i < n; i++) dp[0][i] = C[0][i]; + for (int i = 1; i < k; i++) { + for (int j = n - 1; j >= 0; --j) { + opt[i][j] = i == 1 ? 0 : opt[i - 1][j]; + for (int k = opt[i][j]; k <= min(opt[i][j + 1], j - 1); ++k) { + if (dp[i][j] <= dp[i - 1][k] + C[k + 1][j]) continue; + dp[i][j] = dp[i - 1][k] + C[k + 1][j]; + opt[i][j] = k; + }}} + return dp[k - 1][n - 1]; +} -- cgit v1.2.3