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28 lines
570 B
Rust
28 lines
570 B
Rust
3 years ago
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use itertools::Itertools;
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use std::io::stdin;
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use std::io::BufRead;
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fn main() {
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let mut prev: Option<i32> = None;
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let mut increased = 0;
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for (a, b, c) in stdin()
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.lock()
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.lines()
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.map(|line| line.unwrap().parse::<i32>().unwrap())
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.tuple_windows()
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{
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let sum = a + b + c;
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match prev {
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Some(prev) => {
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if sum > prev {
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increased += 1
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}
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}
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_ => (),
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}
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prev = Some(sum)
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}
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println!("{}", increased)
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}
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