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  1. use std::io::stdin;
  2. use std::io::BufRead;
  3. use std::io::BufReader;
  4.  
  5. fn main() 
  6. {
  7. 	println!("ISO, nya:{}", take(1000));
  8. 	println!("filter  :{}", filter(1000));
  9. }
  10.  
  11. pub fn take(end: u32) -> u32 {
  12.     (0..).step_by(1000000000)
  13.         .map(|i| i * i)
  14.         .take_while(|&i| i < end)
  15.         .sum()
  16. }
  17. pub fn filter(end: u32) -> u32 {
  18.     (0..).step_by(1000000000)
  19.         .map(|i| i * i)
  20.         .filter(|&i| i < end)
  21.         .sum()
  22. }
Runtime error #stdin #stdout #stderr 0.01s 5296KB
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stdin
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Standard input is empty
stdout
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ISO, nya:0
stderr
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thread 'main' panicked at 'overflow in RangeFrom::nth', src/libcore/option.rs:1038:5
note: Run with `RUST_BACKTRACE=1` environment variable to display a backtrace.
https://ideone.com/IS05Q0
language:
Rust (rust 1.56)
created:
2 years ago
visibility:
public

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