View Compilation Error

0_0_37394503_5603.cpp:8:1: error: 'll' does not name a type
 ll dp[maxn][M];
 ^
0_0_37394503_5603.cpp: In function 'void solve()':
0_0_37394503_5603.cpp:13:9: error: 'dp' was not declared in this scope
  memset(dp,0,sizeof dp);
         ^
0_0_37394503_5603.cpp:20:2: error: 'll' was not declared in this scope
  ll ans=0;
  ^
0_0_37394503_5603.cpp:22:3: error: 'ans' was not declared in this scope
   ans+=dp[n][i];
   ^
0_0_37394503_5603.cpp:24:30: error: 'ans' was not declared in this scope
  cout<<"Case "<<++cas<<": "<<ans<<endl;
                              ^