fix

Author: KumaCS

fps/multipoint-evaluation.hpp

@@ -8,7 +8,7 @@ vector<mint> MultipointEvaluation(FormalPowerSeries<mint> f, const vector<mint>&
   int m = x.size();
   if (m == 0) return {};
   vector<fps> prod(2 * m);
-  for (int i = 0; i < m; i++) prod[i + m] = {-x[i], 1};
+  for (int i = 0; i < m; i++) prod[i + m] = fps{-x[i], 1};
   for (int i = m - 1; i > 0; i--) prod[i] = prod[i * 2] * prod[i * 2 + 1];
   vector<fps> rem(2 * m);
   rem[1] = f % prod[1];

fps/polynomial-interpolation.hpp

@@ -11,12 +11,12 @@ FormalPowerSeries<mint> PolynomialInterpolation(const vector<mint>& x, const vec
   int n = x.size();
   if (n == 0) return {};
   vector<fps> prod(2 * n);
-  for (int i = 0; i < n; i++) prod[i + n] = {-x[i], 1};
+  for (int i = 0; i < n; i++) prod[i + n] = fps{-x[i], 1};
   for (int i = n - 1; i > 0; i--) prod[i] = prod[i * 2] * prod[i * 2 + 1];
   vector<fps> fs(2 * n);
   fs[1] = prod[1].diff();
   for (int i = 2; i < 2 * n; i++) fs[i] = fs[i / 2] % prod[i];
-  for (int i = n; i < n * 2; i++) fs[i] = {y[i - n] / fs[i][0]};
+  for (int i = n; i < n * 2; i++) fs[i] = fps{y[i - n] / fs[i][0]};
   for (int i = n - 1; i > 0; i--) fs[i] = fs[(i << 1) | 0] * prod[(i << 1) | 1] + fs[(i << 1) | 1] * prod[(i << 1) | 0];
   return fs[1];
 }