minor (mostly spacing) changes

3 files changed, 35 insertions, 35 deletions

diff --git a/math/binomial1.cpp b/math/binomial1.cpp
index 02b27e3..dab20b3 100644
--- a/math/binomial1.cpp
+++ b/math/binomial1.cpp
@@ -2,8 +2,7 @@ ll calc_binom(ll n, ll k) {
 	if (k > n) return 0;
 	ll r = 1;
 	for (ll d = 1; d <= k; d++) {// Reihenfolge => Teilbarkeit
-		r *= n--;
-		r /= d;
+		r *= n--, r /= d;
 	}
 	return r;
 }
diff --git a/math/chineseRemainder.cpp b/math/chineseRemainder.cpp
index a1aa480..b02de48 100644
--- a/math/chineseRemainder.cpp
+++ b/math/chineseRemainder.cpp
@@ -1,14 +1,14 @@
-struct CRT{
-	using lll = __int128_t;
-  lll M = 1, sol = 0; // Solution unique modulo M
-  bool hasSol = true;
+struct CRT {
+	using lll = __int128;
+	lll M = 1, sol = 0; // Solution unique modulo M
+	bool hasSol = true;
 
-  // Adds congruence x = a (mod m)
-  void add(ll a, ll m){
-    ll s, t, d = extendedEuclid(M, m, s, t);
-    if((a - sol) % d != 0) hasSol = false;
-    lll z = M/d * s;
-    M *= m/d;
-    sol = (z % M * (a-sol) % M + sol + M) % M;
-  }
-};
\ No newline at end of file
+	// Adds congruence x = a (mod m)
+	void add(ll a, ll m) {
+        auto [d, s, t] = extendedEuclid(M, m);
+		if((a - sol) % d != 0) hasSol = false;
+		lll z = M/d * s;
+		M *= m/d;
+		sol = (z % M * (a-sol) % M + sol + M) % M;
+	}
+};
diff --git a/math/transforms/seriesOperations.cpp b/math/transforms/seriesOperations.cpp
index 3851a1e..4743674 100644
--- a/math/transforms/seriesOperations.cpp
+++ b/math/transforms/seriesOperations.cpp
@@ -1,55 +1,56 @@
-vector<ll> poly_inv(vector<ll> a, int n){
+vector<ll> poly_inv(const vector<ll>& a, int n) {
 	vector<ll> q = {powMod(a[0], mod-2, mod)};
-	for(int len = 1; len < n; len *= 2){
+	for (int len = 1; len < n; len *= 2){
 		vector<ll> a2 = a, q2 = q;
 		a2.resize(2*len), q2.resize(2*len);
 		ntt(q2);
-		for(int j = 0; j < 2; j++){
+		for (int j : {0, 1}) {
 			ntt(a2);
-			for(int i = 0; i < 2*len; i++) a2[i] = a2[i] * q2[i] % mod;
+			for (int i = 0; i < 2*len; i++) a2[i] = a2[i]*q2[i] % mod;
 			ntt(a2, true);
-			for(int i = 0; i < len; i++) a2[i] = 0;
+			for (int i = 0; i < len; i++) a2[i] = 0;
 		}
-		for(int i = len; i < min(n, 2*len); i++) q.push_back((mod - a2[i]) % mod);
-	}
+		for (int i = len; i < min(n, 2*len); i++) {
+			q.push_back((mod - a2[i]) % mod);
+	}}
 	return q;
 }
 
-vector<ll> poly_deriv(vector<ll> a){
-	for(int i = 0; i < sz(a)-1; i++)
-		a[i] = a[i+1] * (i+1) % mod;
+vector<ll> poly_deriv(vector<ll> a) {
+	for (int i = 1; i < sz(a); i++)
+		a[i-1] = a[i] * i % mod;
 	a.pop_back();
 	return a;
 }
 
-vector<ll> poly_integr(vector<ll> a){
-	if(a.empty()) return {0};
+vector<ll> poly_integr(vector<ll> a) {
+	if (a.empty()) return {0};
 	a.push_back(a.back() * powMod(sz(a), mod-2, mod) % mod);
-	for(int i = sz(a)-2; i > 0; i--)
+	for (int i = sz(a)-2; i > 0; i--)
 		a[i] = a[i-1] * powMod(i, mod-2, mod) % mod;
 	a[0] = 0;
 	return a;
 }
 
-vector<ll> poly_log(vector<ll> a, int n){
+vector<ll> poly_log(vector<ll> a, int n) {
 	a = mul(poly_deriv(a), poly_inv(a, n));
 	a.resize(n-1);
 	a = poly_integr(a);
 	return a;
 }
 
-vector<ll> poly_exp(vector<ll> a, int n){
+vector<ll> poly_exp(vector<ll> a, int n) {
 	vector<ll> q = {1};
-	for(int len = 1; len < n; len *= 2){
+	for (int len = 1; len < n; len *= 2) {
 		vector<ll> p = poly_log(q, 2*len);
-		for(int i = 0; i < 2*len; i++)
+		for (int i = 0; i < 2*len; i++)
 			p[i] = (mod - p[i] + (i < sz(a) ? a[i] : 0)) % mod;
 		vector<ll> q2 = q;
 		q2.resize(2*len);
 		ntt(p), ntt(q2);
-		for(int i = 0; i < 2*len; i++) p[i] = p[i] * q2[i] % mod;
+		for (int i = 0; i < 2*len; i++) p[i] = p[i] * q2[i] % mod;
 		ntt(p, true);
-		for(int i = len; i < min(n, 2*len); i++) q.push_back(p[i]);
+		for (int i = len; i < min(n, 2*len); i++) q.push_back(p[i]);
 	}
 	return q;
-}
\ No newline at end of file
+}