/in/foo.c: In function 'main':
/in/foo.c:7:48: error: expected '}' before ']' token
  int b[12]={31,29,31,30,31,30,31,31,30,31,30,31];
                                                ^
/in/foo.c:7:48: error: expected ',' or ';' before ']' token
/in/foo.c:9:22: error: expected expression before '||' token
  if(n%4==0&&n%100!=0)||n%400==0)
                      ^~
/in/foo.c:9:2: warning: this 'if' clause does not guard... [-Wmisleading-indentation]
  if(n%4==0&&n%100!=0)||n%400==0)
  ^~
/in/foo.c:9:32: note: ...this statement, but the latter is misleadingly indented as if it is guarded by the 'if'
  if(n%4==0&&n%100!=0)||n%400==0)
                                ^
/in/foo.c:9:32: error: expected statement before ')' token
/in/foo.c:21:2: error: 'else' without a previous 'if'
  else
  ^~~~
/in/foo.c:32:2: error: expected ';' before '}' token
  }
  ^