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https://github.com/krahets/hello-algo.git
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Sync zh and zh-hant versions. (#1523)
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@@ -6,7 +6,7 @@
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/* 回溯演算法:子集和 I */
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fn backtrack(
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mut state: Vec<i32>,
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state: &mut Vec<i32>,
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target: i32,
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total: i32,
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choices: &[i32],
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@@ -14,7 +14,7 @@ fn backtrack(
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) {
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// 子集和等於 target 時,記錄解
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if total == target {
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res.push(state);
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res.push(state.clone());
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return;
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}
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// 走訪所有選擇
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@@ -26,7 +26,7 @@ fn backtrack(
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// 嘗試:做出選擇,更新元素和 total
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state.push(choices[i]);
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// 進行下一輪選擇
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backtrack(state.clone(), target, total + choices[i], choices, res);
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backtrack(state, target, total + choices[i], choices, res);
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// 回退:撤銷選擇,恢復到之前的狀態
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state.pop();
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}
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@@ -34,10 +34,10 @@ fn backtrack(
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/* 求解子集和 I(包含重複子集) */
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fn subset_sum_i_naive(nums: &[i32], target: i32) -> Vec<Vec<i32>> {
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let state = Vec::new(); // 狀態(子集)
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let mut state = Vec::new(); // 狀態(子集)
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let total = 0; // 子集和
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let mut res = Vec::new(); // 結果串列(子集串列)
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backtrack(state, target, total, nums, &mut res);
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backtrack(&mut state, target, total, nums, &mut res);
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res
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}
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