View Compilation Error

0_0_39797659_10204.cpp:5:1: error: 'ma' does not name a type
    5 | ma<int, int> mp;
      | ^~
0_0_39797659_10204.cpp: In function 'bool dfs(long long int)':
0_0_39797659_10204.cpp:10:8: error: 'mp' was not declared in this scope
   10 |     if(mp[x])return mp[x];
      |        ^~
0_0_39797659_10204.cpp:18:16: error: 'mp' was not declared in this scope
   18 |         return mp[x]=f;
      |                ^~
0_0_39797659_10204.cpp: In function 'int main()':
0_0_39797659_10204.cpp:27:9: error: 'mp' was not declared in this scope
   27 |         mp.clear();
      |         ^~