```cpp # include # include # include # include # include # include # include # include # include # include using namespace std; int k,n; long long ans=-1; int d…

```cpp # include # include # include # include # include # include # include # include # include # include using namespace std; int n,m,r,p,u,v; int head[100000…

```cpp # include # include # include # include # include # include # include # include # include using namespace std; int t,x,l,r,sum,top=0; long long k; struct…

```cpp # include # include # include # include # include # include # include # include # include using namespace std; long long ans=0; int n,m,c[1000005]; int a…

在讨论《100分1TLE》回复：

@[ryf20100124](/user/761649) 下了,不会改

```cpp # include # include # include # include # include using namespace std; int n,a,b,ans=2147483647; int k[10005]; bool vis[10005]; void dfs (int dep,int cnt…

```cpp # include # include # include # include # include using namespace std; int a[1000005]; int gcd (int a,int b){ if (b==0) return a; return gcd (b,a%b); } i…