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Review Swift codes (#1150)
* feat(swift): review for chapter_computational_complexity * feat(swift): review for chapter_data_structure * feat(swift): review for chapter_array_and_linkedlist * feat(swift): review for chapter_stack_and_queue * feat(swift): review for chapter_hashing * feat(swift): review for chapter_tree * feat(swift): add codes for heap article * feat(swift): review for chapter_heap * feat(swift): review for chapter_graph * feat(swift): review for chapter_searching * feat(swift): review for chapter_sorting * feat(swift): review for chapter_divide_and_conquer * feat(swift): review for chapter_backtracking * feat(swift): review for chapter_dynamic_programming * feat(swift): review for chapter_greedy * feat(swift): review for utils * feat(swift): update ci tool * feat(swift): trailing closure * feat(swift): array init * feat(swift): map index
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@@ -11,12 +11,12 @@ func coinChangeDP(coins: [Int], amt: Int) -> Int {
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// 初始化 dp 表
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var dp = Array(repeating: Array(repeating: 0, count: amt + 1), count: n + 1)
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// 状态转移:首行首列
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for a in stride(from: 1, through: amt, by: 1) {
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for a in 1 ... amt {
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dp[0][a] = MAX
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}
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// 状态转移:其余行和列
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for i in stride(from: 1, through: n, by: 1) {
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for a in stride(from: 1, through: amt, by: 1) {
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for i in 1 ... n {
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for a in 1 ... amt {
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if coins[i - 1] > a {
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// 若超过目标金额,则不选硬币 i
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dp[i][a] = dp[i - 1][a]
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@@ -37,8 +37,8 @@ func coinChangeDPComp(coins: [Int], amt: Int) -> Int {
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var dp = Array(repeating: MAX, count: amt + 1)
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dp[0] = 0
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// 状态转移
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for i in stride(from: 1, through: n, by: 1) {
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for a in stride(from: 1, through: amt, by: 1) {
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for i in 1 ... n {
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for a in 1 ... amt {
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if coins[i - 1] > a {
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// 若超过目标金额,则不选硬币 i
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dp[a] = dp[a]
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