View Compilation Error

0_0_29122334_10758.cpp:51:7: error: 'LL' does not name a type
 const LL INF = 35000;
       ^
0_0_29122334_10758.cpp: In function 'int main()':
0_0_29122334_10758.cpp:70:30: error: 'INF' was not declared in this scope
             dp[k][i-1]=-maxn*INF;
                              ^
0_0_29122334_10758.cpp:80:30: error: 'INF' was not declared in this scope
         ll ans = -(ll)maxn * INF;        //WA点之一，注意初始化ans根据题意。如可以不必须选m段，要求ans>=0（此题要求正数同理）, 则初始化为0；如果必须选够m段，则初始化为数据个数*数据最小值。
                              ^