http://codeforces.com/gym/102222/problem/F

fory 

#include
      
       using namespace std;typedef long long ll;#define lson root<<1,l,midd#define rson root<<<1|1,midd+1,r#define pb push_backconst int M=220;const int inf=0x3f3f3f3f;int a[M],b[M],dp[M][M][M];bool cmp(int x,int y){    return a[x]
       
        up)                    break;                mubiao++;            }            printf("%d\n",dp[mubiao][u][v]);        }    }    return 0;}