16 lines
406 B
JavaScript
16 lines
406 B
JavaScript
/**
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* 参考：https://leetcode-cn.com/problems/coin-lcci/solution/jian-dan-de-shu-xue-jia-fa-by-zindler/
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* @param {number} n
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* @return {number}
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*/
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export const waysToChange = function (n) {
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const mod = 1e9 + 7
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let res = 0
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for (let i = 0; i <= ~~(n / 25); i++) {
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const a = ~~((n - i * 25) / 10)
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const t = (a + 1) * (~~(n / 5) - 5 * i - a + 1)
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res = (res + t) % mod
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}
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return res
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}
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