Sum of the elements behind P62059
Write a program that reads a sequence of integer numbers and prints how many of them are equal to the sum of all the elements which are behind them.
Input
Input is a sequence of integer numbers.
Output
In a line, print the number of integer numbers of the input sequence that are equal to the sum of all the elements which are behind them.
Observation
Use recursion (not tables).
Public test cases
Input
-34 11 7 2 -8 5 3 2
Output
3
Input
4 2 2 0
Output
3
Input
Output
0
Input
0 32 -16 -8 -4 -2 -2
Output
5
Input
28 32 -5 9
Output
0
Information
- Author
- Jordi Petit
- Language
- English
- Translator
- Carlos Molina
- Original language
- Catalan
- Other languages
- Catalan
- Official solutions
- C++
- User solutions
- C++ Haskell Python