/in/foo.cc:5:1: error: 'bol' does not name a type; did you mean 'bool'?
 bol ch[200][200];
 ^~~
 bool
/in/foo.cc: In function 'int main()':
/in/foo.cc:19:7: error: 'ch' was not declared in this scope
       ch[i][j]=false;
       ^~
/in/foo.cc:22:9: error: 'ch' was not declared in this scope
     if (ch[i][j]) printf("Infty ");
         ^~