[P2899](https://www.luogu.com.cn/problem/P2899) ```cpp #include using namespace std; #define int long long int a[100010],b[100010]; vector G[100010]; int dp[100…

[P10510 进制](https://www.luogu.com.cn/problem/P10510) 大样例过了,但全wa了,求调  ```cpp #include using namespace s…

[P1505 [国家集训队] 旅游](https://www.luogu.com.cn/problem/P1505#submit) ```cpp #include using namespace std; #define int long long int n,m; int cnt,head[400010],to[40…

```cpp #include using namespace std; #define int long long int n,m; int cnt,head[400010],to[400010],nex[400010],val[4000010]; int idx,fa[2000010],son[2000010],t…

```cpp #include using namespace std; int aa[100]={0,0,990,1010,1970,2030,2940,3060,3930,4060,4970,5030,5990,6010,7000}; int bb[7050]; int main() { int a,b; cin>…

```cpp #include using namespace std; struct node { string name; string zhi; int g; int d; int flag=0; }a[120]; string aa[300]={" ","","","","HuFa","HuFa","Zhang…

```cpp #include using namespace std; int main() { char a[10]; cin>>a; int sum=0; if(a[0]=='0'&&a[1]=='0') { sum++; } else { if(a[0]>'1') { sum++; if(a[0]!='0')…