View Compilation Error

0_0_39326021_12139.cpp:7:1: error: 'map' does not name a type
    7 | map<string, int> Map;
      | ^~~
0_0_39326021_12139.cpp: In function 'int main()':
0_0_39326021_12139.cpp:33:25: error: 'Map' was not declared in this scope
   33 |                         Map[s] = i;
      |                         ^~~
0_0_39326021_12139.cpp:42:35: error: 'Map' was not declared in this scope
   42 |                         union_set(Map[x], Map[y]);
      |                                   ^~~