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38 lines
810 B
38 lines
810 B
11 months ago
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use std::fs::read_to_string;
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use std::collections::HashSet;
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fn sn(s: &str) -> u32 {
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let st = String::from(s);
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let mut res = 0;
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for c in st.chars() {
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if c == '"' {
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continue;
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}
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let d = c as u32 - 64;
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res += d;
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//println!("{}", d);
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}
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return res;
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}
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fn main() {
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let mut hs = HashSet::new();
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for n in 1..200 {
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let tn = (n * (n + 1)) / 2;
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hs.insert(tn);
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}
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let mut count = 0;
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for line in read_to_string("0042_words.txt").unwrap().lines() {
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let sp = line.split(',');
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for s in sp {
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let n = sn(&s);
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//println!("{} {}", s, n);
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if hs.contains(&n) {
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count += 1;
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}
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}
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}
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//let r = sn("SKY");
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println!("{}", count);
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}
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