diff options
Diffstat (limited to 'math')
| -rw-r--r-- | math/lgsFp.cpp | 2 | ||||
| -rw-r--r-- | math/permIndex.cpp | 5 |
2 files changed, 3 insertions, 4 deletions
diff --git a/math/lgsFp.cpp b/math/lgsFp.cpp index 29ec849..7dcd354 100644 --- a/math/lgsFp.cpp +++ b/math/lgsFp.cpp @@ -12,7 +12,7 @@ void takeAll(int n, int line, ll p) { mat[i][j] = (mat[i][j] + p) % p; }}} -void gauss(int n, ll mod) { // Nx(N+1)-Matrix, Körper F_p. +void gauss(int n, ll mod) { vector<bool> done(n, false); for (int i = 0; i < n; i++) { int j = 0; diff --git a/math/permIndex.cpp b/math/permIndex.cpp index 09ff7f7..4cffc12 100644 --- a/math/permIndex.cpp +++ b/math/permIndex.cpp @@ -6,9 +6,8 @@ ll permIndex(vector<ll> v) { x = t.order_of_key(x); } ll res = 0; - for (ll i = sz(v); i > 0; i--) { - res *= i; - res += v[i - 1]; + for (int i = sz(v); i > 0; i--) { + res = res * i + v[i - 1]; } return res; } |