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-rw-r--r--math/matrixPower.cpp16
1 files changed, 0 insertions, 16 deletions
diff --git a/math/matrixPower.cpp b/math/matrixPower.cpp
deleted file mode 100644
index 05e29f6..0000000
--- a/math/matrixPower.cpp
+++ /dev/null
@@ -1,16 +0,0 @@
-vector<mat> pows;
-
-void precalc(mat m) {
- pows = {mat(1), m};
- for (int i = 1; i < 60; i++) pows.push_back(pows[i] * pows[i]);
-}
-
-ll calc(int x, int y, ll b) {
- vector<ll> v(pows[0].m.size());
- v[x] = 1;
- for (ll i = 1; b > 0; i++) {
- if (b & 1) v = pows[i] * v;
- b /= 2;
- }
- return v[y];
-}