codeAligned
diff --git a/‎头文件及测试/Template-Abridged.cpp‎
Lines changed: 0 additions & 16 deletions b/‎头文件及测试/Template-Abridged.cpp‎
Lines changed: 0 additions & 16 deletions
diff --git a/‎头文件及测试/Template.cpp‎
Lines changed: 2 additions & 1 deletion b/‎头文件及测试/Template.cpp‎
Lines changed: 2 additions & 1 deletion
@@ -111,11 +111,12 @@ template<typename T>
 T sqr(T x) { return x * x; }
 
 ll gcd(ll a, ll b) {
+    a = abs(a),b = abs(b);
     while(b != 0) {
         a %= b;
         swap(a, b);
     }
-    return abs(a);
+    return a;
 }
 
 ll fast(ll a, ll b, ll mod) {
Original file line number	Diff line number	Diff line change
`@@ -111,11 +111,12 @@ template<typename T>`
`111`	`111`	`T sqr(T x) { return x * x; }`
`112`	`112`
`113`	`113`	`ll gcd(ll a, ll b) {`
	`114`	`+ a = abs(a),b = abs(b);`
`114`	`115`	`while(b != 0) {`
`115`	`116`	`a %= b;`
`116`	`117`	`swap(a, b);`
`117`	`118`	`}`
`118`		`- return abs(a);`
	`119`	`+ return a;`
`119`	`120`	`}`
`120`	`121`
`121`	`122`	`ll fast(ll a, ll b, ll mod) {`