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23 lines
514 B
23 lines
514 B
12 months ago
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fn cs(n: u32, cl: usize) -> u32 {
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let coins = [1, 2, 5, 10, 20, 50, 100, 200];
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if n == 0 { return 1; }
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if cl == 0 { return 1; }
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let mut res = cs(n, cl - 1);
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//println!("init {}/{}/{}", n, cl, res);
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let mc = coins[cl];
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let mut m = n;
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//println!("m vs mc: {}/{}", m, mc);
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while m >= mc {
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res += cs(m - mc, cl - 1);
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//println!("res({}, {})+= {}", m-mc, cl-1, res);
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m -= mc;
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}
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res
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}
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fn main() {
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let res = cs(200, 7);
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println!("{}", res);
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}
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