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Intervals (2) P56559
Write a program that, given two intervals, tells if one is inside the other.
Input
Input consists of four integer numbers a1, b1, a2, b2 that represent the intervals [a1,b1] and [a2,b2]. Assume a1≤ b1 and a2≤ b2.
Output
Print ‘=’ if the intervals are equal, ‘1’ if the first is inside the second (but they are not equal), ‘2’ if the second is inside the first (but they are not equal), or ‘?’ otherwise.
Public test cases
Input
20 30 10 40
Output
1
Input
10 20 10 20
Output
=
Input
20 30 10 20
Output
?
Input
10 20 30 40
Output
?
Information
- Author
- Salvador Roura
- Language
- English
- Translator
- Carlos Molina
- Original language
- Catalan
- Other languages
- Catalan
- Official solutions
- C++ Java Python
- User solutions
- C C++ Java PHP Python Rust