1 files changed, 0 insertions, 13 deletions
diff --git a/content/other/recover.cpp b/content/other/recover.cpp
deleted file mode 100644
index 1a593f0..0000000
--- a/content/other/recover.cpp
+++ /dev/null
@@ -1,13 +0,0 @@
-ll sq(ll x) {return x*x;}
-
-array<ll, 2> recover(ll c, ll m) {
-	array<ll, 2> u = {m, 0}, v = {c, 1};
-	while (m <= 2 * sq(v[0])) {
-		ll q = u[0] / v[0];
-		u[0] -= q * v[0];
-		u[1] -= q * v[1];
-		swap(u, v);
-	}
-	if (v[1] <= 0 || 2 * sq(v[1]) >= m) return {-1, -1};
-	return v;
-}