Loading docs/math/catalan.md +7 −8 Original line number Diff line number Diff line Loading @@ -55,8 +55,7 @@ long long f[25]; int main() { f[0] = 1; cin >> n; for(int i = 1; i <= n; i++) f[i] = f[i - 1] * (4 * i - 2) / (i + 1); for (int i = 1; i <= n; i++) f[i] = f[i - 1] * (4 * i - 2) / (i + 1); //这里用的是常见公式2 cout << f[n] << endl; return 0; Loading Loading
docs/math/catalan.md +7 −8 Original line number Diff line number Diff line Loading @@ -55,8 +55,7 @@ long long f[25]; int main() { f[0] = 1; cin >> n; for(int i = 1; i <= n; i++) f[i] = f[i - 1] * (4 * i - 2) / (i + 1); for (int i = 1; i <= n; i++) f[i] = f[i - 1] * (4 * i - 2) / (i + 1); //这里用的是常见公式2 cout << f[n] << endl; return 0; Loading