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-rw-r--r--sem2/src/mpn.rs2
1 files changed, 1 insertions, 1 deletions
diff --git a/sem2/src/mpn.rs b/sem2/src/mpn.rs
index df40c24..742e485 100644
--- a/sem2/src/mpn.rs
+++ b/sem2/src/mpn.rs
@@ -268,7 +268,7 @@ impl Number {
b - 1
} else {
let uj1 = u[j + n - 1] as i32;
- let uj2 = u[j + n - 1] as i32;
+ let uj2 = u[j + n - 2] as i32;
let v2 = v[v.len() - 2] as i32;
let mut qc = (uj * b + uj1) / v1;
while v2 * qc > (uj * b + uj1 - qc * v1) * b + uj2 {