View Compilation Error

0_0_38741096_9205.cpp: In function 'int che()':
0_0_38741096_9205.cpp:10:12: error: 'mp' was not declared in this scope
   10 |         if(mp['B'])num++;
      |            ^~
0_0_38741096_9205.cpp:11:12: error: 'mp' was not declared in this scope
   11 |         if(mp['G'])num++;
      |            ^~
0_0_38741096_9205.cpp:12:12: error: 'mp' was not declared in this scope
   12 |         if(mp['B'])num++;
      |            ^~