foo.cc:29:13: error: conflicting declaration ‘int b’
   29 |         int b = x % 10;
      |             ^
foo.cc:3:26: note: previous declaration as ‘long long int b [1000000]’
    3 | long long a[1000000],i=2,b[1000000];
      |                          ^
foo.cc:29:17: error: ‘x’ was not declared in this scope
   29 |         int b = x % 10;
      |                 ^
foo.cc:30:9: error: ‘x’ does not name a type
   30 |         x /= 10;
      |         ^
foo.cc:31:17: error: ‘x’ was not declared in this scope
   31 |         int c = x % 10;
      |                 ^
foo.cc:33:9: error: ‘n’ does not name a type
   33 |         n[0] = a * 100 + b * 10 + c;
      |         ^
foo.cc:34:9: error: ‘n’ does not name a type
   34 |         n[1] = a * 100 + c * 10 + b;
      |         ^
foo.cc:35:9: error: ‘n’ does not name a type
   35 |         n[2] = b * 100 + a * 10 + c;
      |         ^
foo.cc:36:9: error: ‘n’ does not name a type
   36 |         n[3] = b * 100 + c * 10 + a;
      |         ^
foo.cc:37:9: error: ‘n’ does not name a type
   37 |         n[4] = c * 100 + a * 10 + b;
      |         ^
foo.cc:38:9: error: ‘n’ does not name a type
   38 |         n[5] = c * 100 + b * 10 + a;
      |         ^
foo.cc:40:9: error: expected unqualified-id before ‘for’
   40 |         for(int i = 1; i <= 5; i++)
      |         ^~~
foo.cc:40:24: error: ‘i’ does not name a type
   40 |         for(int i = 1; i <= 5; i++)
      |                        ^
foo.cc:40:32: error: ‘i’ does not name a type
   40 |         for(int i = 1; i <= 5; i++)
      |                                ^
foo.cc:42:9: error: expected unqualified-id before ‘return’
   42 |         return min;
      |         ^~~~~~
foo.cc:43:1: error: expected declaration before ‘}’ token
   43 | }
      | ^