*The following documentation applies to the new comparators only. If you have created a problem on Drafts before the new comparators were implemented, you will have an option to switch to the new comparators.*

Type | Description | Options |
---|---|---|

String | Treats each space separated token as strings. These tokens must match exactly. | Strict Space |

Int | Parses each space separated token as intgers. Each integer must be in base 10 and fit in 64 bits (signed). | Strict Space |

Float | Parses each space separated token as floating-point numbers. Each number must fit in 64 bits. | Strict Space, Precision |

Yes/No | Compares yes’s and no’s in any letter casing. For example, “Yes”, “yes”, “YES”, etc are equivalent. | Strict Space |

Custom | Please refer to Custom Checker page. |

Option | Description |
---|---|

Strict Space (On) | Each space character must match exactly. |

Strict Space (Off) | All consecutive sequences of space are considered equivalent. For example, “\n \t” and " \t \n " are considered the same. Trailing spaces are ignored. |

Transform CRs | Transforms CRs (’\r’) and CRLFs ("\r\n") to LFs (’\n’). Available with Strict Space (On). |

Ignore Trailing LF | One trailing LF (’\n’, if any) is ignored. Available with Strict Space (On). |

Precision | Defines the value of eps in comparison^{1} of floating point numbers. |

Two floating point numbers,

`a`

and`b`

, are compared using the following expression:`abs(a-b) <= eps+1e-15 || (b+1e-15 >= min(a*(1-eps), a*(1+eps)) && b+1e-15 <= max(a*(1-eps), a*(1+eps)))`

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