View Compilation Error

0_0_33788795_31911.cpp: In function 'll getAns(ll, ll)':
0_0_33788795_31911.cpp:75:8: error: 'mp' was not declared in this scope
     if(mp[m][n])return mp[m][n];
        ^
0_0_33788795_31911.cpp:85:12: error: 'mp' was not declared in this scope
     return mp[m][n]=ans*sum%mod;
            ^