foo.cc: In function 'int bl(int*, int, int)':
foo.cc:33:7: warning: suggest parentheses around assignment used as truth value [-Wparentheses]
   if(m=v[i])
      ~^~~~~
foo.cc: In function 'int bj(int*, int, int*, int, int*)':
foo.cc:44:6: error: 'i' was not declared in this scope
  for(i=0;i<n;i++)
      ^
foo.cc:44:12: error: 'n' was not declared in this scope
  for(i=0;i<n;i++)
            ^
foo.cc:48:6: error: 'i' was not declared in this scope
  for(i=0;i<n;i++)
      ^
foo.cc:48:12: error: 'n' was not declared in this scope
  for(i=0;i<n;i++)
            ^
foo.cc: In function 'int main()':
foo.cc:66:10: error: 'n' was not declared in this scope
  n3=bj(a,n);
          ^
foo.cc:66:10: note: suggested alternative: 'n3'
  n3=bj(a,n);
          ^
          n3
foo.cc:68:1: error: expected ';' before '}' token
 }
 ^

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