{"id":2114,"date":"2026-04-22T20:46:13","date_gmt":"2026-04-22T12:46:13","guid":{"rendered":"http:\/\/www.preluna.xyz\/?p=2114"},"modified":"2026-04-22T20:46:13","modified_gmt":"2026-04-22T12:46:13","slug":"%e5%ad%97%e7%ac%a6%e4%b8%b2%e5%88%87%e7%89%87","status":"publish","type":"post","link":"http:\/\/www.preluna.xyz\/index.php\/2026\/04\/22\/%e5%ad%97%e7%ac%a6%e4%b8%b2%e5%88%87%e7%89%87\/preluna\/text\/","title":{"rendered":"\u5b57\u7b26\u4e32\u5207\u7247"},"content":{"rendered":"\n<figure class=\"wp-block-image size-large\"><div class='fancybox-wrapper lazyload-container-unload' data-fancybox='post-images' href='http:\/\/www.preluna.xyz\/wp-content\/uploads\/2026\/04\/\u5b57\u7b26\u4e32\u5207\u7247-776x1024.png'><img class=\"lazyload lazyload-style-1\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  loading=\"lazy\" decoding=\"async\" width=\"776\" height=\"1024\" data-original=\"http:\/\/www.preluna.xyz\/wp-content\/uploads\/2026\/04\/\u5b57\u7b26\u4e32\u5207\u7247-776x1024.png\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"\" class=\"wp-image-2115\"  sizes=\"auto, (max-width: 776px) 100vw, 776px\" \/><\/div><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">\u9898\u76ee\u8003\u70b9<\/h2>\n\n\n\n<p>\u8fd9\u9053\u9898\u4e3b\u8981\u8003\u8fd9\u51e0\u4e2a\u70b9\uff1a<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u5b57\u7b26\u4e32\u5207\u7247<\/li>\n\n\n\n<li>\u5faa\u73af\u5206\u7ec4\u5904\u7406<\/li>\n\n\n\n<li>\u53bb\u91cd\uff0c\u4f46\u8981\u4fdd\u7559\u539f\u6765\u7684\u5148\u540e\u987a\u5e8f<\/li>\n\n\n\n<li>\u51fd\u6570\u9898\u7684\u8f93\u51fa\u65b9\u5f0f<\/li>\n<\/ol>\n\n\n\n<p>\u8fd9\u9898\u8868\u9762\u770b\u8d77\u6765\u50cf\u201c\u5b57\u7b26\u4e32\u9898\u201d\uff0c\u4f46\u771f\u6b63\u7684\u6838\u5fc3\u662f\uff1a<\/p>\n\n\n\n<p><strong>\u628a\u4e00\u4e2a\u5927\u5b57\u7b26\u4e32\u6309\u957f\u5ea6 k \u5206\u6bb5\uff0c\u7136\u540e\u5bf9\u6bcf\u4e00\u6bb5\u505a\u201c\u6309\u51fa\u73b0\u987a\u5e8f\u53bb\u91cd\u201d\u3002<\/strong><\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">\u5ba1\u9898<\/h2>\n\n\n\n<p>\u5148\u628a\u9898\u76ee\u7ffb\u8bd1\u6210\u4eba\u8bdd\u3002<\/p>\n\n\n\n<p>\u5df2\u77e5\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u4e00\u4e2a\u5b57\u7b26\u4e32 <code>string<\/code><\/li>\n\n\n\n<li>\u4e00\u4e2a\u6574\u6570 <code>k<\/code><\/li>\n<\/ul>\n\n\n\n<p>\u9898\u76ee\u4fdd\u8bc1\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u5b57\u7b26\u4e32\u957f\u5ea6 <code>n<\/code> \u4e00\u5b9a\u662f <code>k<\/code> \u7684\u500d\u6570<\/li>\n<\/ul>\n\n\n\n<p>\u6240\u4ee5\u6211\u4eec\u53ef\u4ee5\u628a\u6574\u4e2a\u5b57\u7b26\u4e32\u5e73\u5747\u5207\u6210 <code>n \/ k<\/code> \u6bb5\uff0c\u6bcf\u6bb5\u957f\u5ea6\u90fd\u6b63\u597d\u662f <code>k<\/code>\u3002<\/p>\n\n\n\n<p>\u7136\u540e\u5bf9\u6bcf\u4e00\u6bb5\u505a\u8fd9\u6837\u7684\u5904\u7406\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u4ece\u5de6\u5230\u53f3\u770b\u5b57\u7b26<\/li>\n\n\n\n<li>\u5982\u679c\u8fd9\u4e2a\u5b57\u7b26\u4e4b\u524d\u6ca1\u51fa\u73b0\u8fc7\uff0c\u5c31\u4fdd\u7559<\/li>\n\n\n\n<li>\u5982\u679c\u8fd9\u4e2a\u5b57\u7b26\u4e4b\u524d\u5df2\u7ecf\u51fa\u73b0\u8fc7\uff0c\u5c31\u8df3\u8fc7<\/li>\n<\/ul>\n\n\n\n<p>\u6700\u540e\u628a\u6bcf\u4e00\u6bb5\u5904\u7406\u540e\u7684\u7ed3\u679c\uff0c\u5404\u6253\u5370\u4e00\u884c\u3002<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">\u601d\u8def\u63d0\u793a<\/h2>\n\n\n\n<p>\u5148\u4e0d\u8981\u6025\u7740\u5199\u4ee3\u7801\uff0c\u5148\u628a\u601d\u8def\u6293\u4f4f\u3002<\/p>\n\n\n\n<p>\u4f60\u53ef\u4ee5\u628a\u6574\u9053\u9898\u62c6\u6210\u4e24\u4e2a\u95ee\u9898\uff1a<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u7b2c\u4e00\u6b65\uff1a\u600e\u4e48\u628a\u5b57\u7b26\u4e32\u6309 k \u4e2a\u4e00\u7ec4\u5207\u5f00\uff1f<\/h3>\n\n\n\n<p>\u6bd4\u5982\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>string = \"AABCAAADA\"\nk = 3\n<\/code><\/pre>\n\n\n\n<p>\u90a3\u4e48\u5b83\u4f1a\u88ab\u5207\u6210\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><code>\"AAB\"<\/code><\/li>\n\n\n\n<li><code>\"CAA\"<\/code><\/li>\n\n\n\n<li><code>\"ADA\"<\/code><\/li>\n<\/ul>\n\n\n\n<p>\u4e5f\u5c31\u662f\u8bf4\uff0c\u6bcf\u6b21\u53d6\u8fde\u7eed <code>k<\/code> \u4e2a\u5b57\u7b26\u3002<\/p>\n\n\n\n<p>\u8fd9\u901a\u5e38\u53ef\u4ee5\u7528\u6b65\u957f\u4e3a <code>k<\/code> \u7684\u5faa\u73af\u505a\u5230\u3002<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\">\u7b2c\u4e8c\u6b65\uff1a\u600e\u4e48\u628a\u6bcf\u4e00\u7ec4\u201c\u53bb\u91cd\u4f46\u4fdd\u7559\u987a\u5e8f\u201d\uff1f<\/h3>\n\n\n\n<p>\u6bd4\u5982 <code>\"AAB\"<\/code>\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u5148\u770b <code>A<\/code>\uff0c\u6ca1\u51fa\u73b0\u8fc7\uff0c\u4fdd\u7559<\/li>\n\n\n\n<li>\u518d\u770b <code>A<\/code>\uff0c\u51fa\u73b0\u8fc7\u4e86\uff0c\u8df3\u8fc7<\/li>\n\n\n\n<li>\u518d\u770b <code>B<\/code>\uff0c\u6ca1\u51fa\u73b0\u8fc7\uff0c\u4fdd\u7559<\/li>\n<\/ul>\n\n\n\n<p>\u7ed3\u679c\u5c31\u662f <code>\"AB\"<\/code><\/p>\n\n\n\n<p>\u8fd9\u91cc\u8981\u7279\u522b\u6ce8\u610f\uff1a<\/p>\n\n\n\n<p><strong>\u4e0d\u662f\u666e\u901a\u53bb\u91cd\uff0c\u800c\u662f\u201c\u4fdd\u7559\u7b2c\u4e00\u6b21\u51fa\u73b0\u7684\u987a\u5e8f\u201d\u3002<\/strong><\/p>\n\n\n\n<p>\u6240\u4ee5\u4e0d\u80fd\u76f4\u63a5\u5199\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>set(\"AAB\")\n<\/code><\/pre>\n\n\n\n<p>\u56e0\u4e3a\u96c6\u5408\u867d\u7136\u80fd\u53bb\u91cd\uff0c\u4f46<strong>\u4e0d\u4fdd\u8bc1\u539f\u6765\u7684\u987a\u5e8f<\/strong>\u3002<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">\u5b8c\u6574\u8bbe\u8ba1\u601d\u8def<\/h2>\n\n\n\n<p>\u73b0\u5728\u628a\u5b8c\u6574\u6b65\u9aa4\u6574\u7406\u51fa\u6765\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u7b2c 1 \u6b65\uff1a\u6bcf\u6b21\u53d6\u4e00\u6bb5\u957f\u5ea6\u4e3a <code>k<\/code> \u7684\u5b50\u4e32<\/h3>\n\n\n\n<p>\u53ef\u4ee5\u8ba9\u4e0b\u6807\u6bcf\u6b21\u8df3 <code>k<\/code>\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u7b2c\u4e00\u6b21\u53d6 <code>string[0:3]<\/code><\/li>\n\n\n\n<li>\u7b2c\u4e8c\u6b21\u53d6 <code>string[3:6]<\/code><\/li>\n\n\n\n<li>\u7b2c\u4e09\u6b21\u53d6 <code>string[6:9]<\/code><\/li>\n<\/ul>\n\n\n\n<p>\u4e5f\u5c31\u662f\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>for i in range(0, len(string), k):\n<\/code><\/pre>\n\n\n\n<p>\u7136\u540e\u5f53\u524d\u8fd9\u4e00\u6bb5\u5c31\u662f\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>part = string&#91;i:i+k]\n<\/code><\/pre>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\">\u7b2c 2 \u6b65\uff1a\u5bf9\u5f53\u524d\u8fd9\u6bb5\u505a\u201c\u6309\u987a\u5e8f\u53bb\u91cd\u201d<\/h3>\n\n\n\n<p>\u51c6\u5907\u4e24\u4e2a\u4e1c\u897f\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><code>seen<\/code>\uff1a\u8bb0\u5f55\u54ea\u4e9b\u5b57\u7b26\u5df2\u7ecf\u51fa\u73b0\u8fc7\u4e86<\/li>\n\n\n\n<li><code>result<\/code>\uff1a\u4fdd\u5b58\u6700\u540e\u8981\u8f93\u51fa\u7684\u5b57\u7b26\u4e32<\/li>\n<\/ul>\n\n\n\n<p>\u7136\u540e\u4ece\u5de6\u5230\u53f3\u904d\u5386 <code>part<\/code> \u4e2d\u7684\u6bcf\u4e2a\u5b57\u7b26\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u5982\u679c\u5b57\u7b26\u4e0d\u5728 <code>seen<\/code> \u91cc\uff0c\u8bf4\u660e\u7b2c\u4e00\u6b21\u51fa\u73b0\n<ul class=\"wp-block-list\">\n<li>\u52a0\u5165 <code>result<\/code><\/li>\n\n\n\n<li>\u52a0\u5165 <code>seen<\/code><\/li>\n<\/ul>\n<\/li>\n\n\n\n<li>\u5982\u679c\u5df2\u7ecf\u5728 <code>seen<\/code> \u91cc\uff0c\u5c31\u8df3\u8fc7<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\">\u7b2c 3 \u6b65\uff1a\u5904\u7406\u5b8c\u4e00\u6bb5\uff0c\u5c31\u6253\u5370\u4e00\u884c<\/h3>\n\n\n\n<p>\u56e0\u4e3a\u9898\u76ee\u8981\u6c42\u7684\u662f\u201c\u6bcf\u4e2a\u7ed3\u679c\u5355\u72ec\u6253\u5370\u4e00\u884c\u201d\uff0c\u6240\u4ee5\u6bcf\u4e00\u6bb5\u5904\u7406\u5b8c\u76f4\u63a5 <code>print(result)<\/code> \u5373\u53ef\u3002<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">\u4ee3\u7801\u5b9e\u73b0<\/h2>\n\n\n\n<p>\u4e0b\u9762\u662f\u9002\u5408\u521d\u5b66\u8005\u7684\u5199\u6cd5\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>def merge_the_tools(string, k):\n    for i in range(0, len(string), k):\n        part = string&#91;i:i + k]\n        \n        seen = set()\n        result = \"\"\n        \n        for ch in part:\n            if ch not in seen:\n                seen.add(ch)\n                result += ch\n        \n        print(result)\n<\/code><\/pre>\n\n\n\n<p>\u5982\u679c\u9898\u76ee\u5e73\u53f0\u7ed9\u4e86\u8f93\u5165\u6a21\u677f\uff0c\u901a\u5e38\u5b8c\u6574\u5199\u6cd5\u4f1a\u662f\u8fd9\u6837\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>def merge_the_tools(string, k):\n    for i in range(0, len(string), k):\n        part = string&#91;i:i + k]\n        \n        seen = set()\n        result = \"\"\n        \n        for ch in part:\n            if ch not in seen:\n                seen.add(ch)\n                result += ch\n        \n        print(result)\n\n\nif __name__ == '__main__':\n    string = input()\n    k = int(input())\n    merge_the_tools(string, k)\n<\/code><\/pre>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">\u8fd0\u884c\u6f14\u793a<\/h2>\n\n\n\n<p>\u6211\u4eec\u7528\u9898\u76ee\u7684\u6837\u4f8b\u6765\u624b\u52a8\u8d70\u4e00\u904d\u3002<\/p>\n\n\n\n<p>\u8f93\u5165\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>string = \"AABCAAADA\"\nk = 3\n<\/code><\/pre>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\">\u7b2c\u4e00\u8f6e<\/h3>\n\n\n\n<p>\u53d6\u51fa\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>part = \"AAB\"\n<\/code><\/pre>\n\n\n\n<p>\u5f00\u59cb\u904d\u5386\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u770b <code>A<\/code>\uff0c<code>seen<\/code> \u91cc\u6ca1\u6709<br><code>result = \"A\"<\/code><br><code>seen = {\"A\"}<\/code><\/li>\n\n\n\n<li>\u518d\u770b <code>A<\/code>\uff0c\u5df2\u7ecf\u5728 <code>seen<\/code> \u91cc<br>\u8df3\u8fc7<\/li>\n\n\n\n<li>\u770b <code>B<\/code>\uff0c<code>seen<\/code> \u91cc\u6ca1\u6709<br><code>result = \"AB\"<\/code><br><code>seen = {\"A\", \"B\"}<\/code><\/li>\n<\/ul>\n\n\n\n<p>\u8f93\u51fa\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>AB\n<\/code><\/pre>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\">\u7b2c\u4e8c\u8f6e<\/h3>\n\n\n\n<p>\u53d6\u51fa\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>part = \"CAA\"\n<\/code><\/pre>\n\n\n\n<p>\u5f00\u59cb\u904d\u5386\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u770b <code>C<\/code>\uff0c\u7b2c\u4e00\u6b21\u51fa\u73b0<br><code>result = \"C\"<\/code><\/li>\n\n\n\n<li>\u770b <code>A<\/code>\uff0c\u7b2c\u4e00\u6b21\u51fa\u73b0<br><code>result = \"CA\"<\/code><\/li>\n\n\n\n<li>\u518d\u770b <code>A<\/code>\uff0c\u91cd\u590d<br>\u8df3\u8fc7<\/li>\n<\/ul>\n\n\n\n<p>\u8f93\u51fa\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>CA\n<\/code><\/pre>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\">\u7b2c\u4e09\u8f6e<\/h3>\n\n\n\n<p>\u53d6\u51fa\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>part = \"ADA\"\n<\/code><\/pre>\n\n\n\n<p>\u5f00\u59cb\u904d\u5386\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u770b <code>A<\/code>\uff0c\u7b2c\u4e00\u6b21\u51fa\u73b0<br><code>result = \"A\"<\/code><\/li>\n\n\n\n<li>\u770b <code>D<\/code>\uff0c\u7b2c\u4e00\u6b21\u51fa\u73b0<br><code>result = \"AD\"<\/code><\/li>\n\n\n\n<li>\u518d\u770b <code>A<\/code>\uff0c\u91cd\u590d<br>\u8df3\u8fc7<\/li>\n<\/ul>\n\n\n\n<p>\u8f93\u51fa\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>AD\n<\/code><\/pre>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\">\u6700\u7ec8\u8f93\u51fa<\/h3>\n\n\n\n<pre class=\"wp-block-code\"><code>AB\nCA\nAD\n<\/code><\/pre>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">\u8fd9\u9898\u6700\u5bb9\u6613\u5361\u4f4f\u7684\u5730\u65b9<\/h2>\n\n\n\n<p>\u8fd9\u9898\u521d\u5b66\u8005\u6700\u5bb9\u6613\u5361\u5728\u4e24\u4e2a\u5730\u65b9\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">1. \u4e3a\u4ec0\u4e48\u4e0d\u80fd\u76f4\u63a5\u7528 <code>set(part)<\/code>\uff1f<\/h3>\n\n\n\n<p>\u56e0\u4e3a <code>set<\/code> \u53ea\u80fd\u5e2e\u4f60\u53bb\u91cd\uff0c\u4f46\u5b83<strong>\u4e0d\u4f1a\u5e2e\u4f60\u4fdd\u7559\u539f\u5b57\u7b26\u4e32\u4e2d\u7684\u987a\u5e8f<\/strong>\u3002<\/p>\n\n\n\n<p>\u800c\u8fd9\u9898\u8981\u6c42\u7684\u662f\uff1a<\/p>\n\n\n\n<p><strong>\u4fdd\u7559\u7b2c\u4e00\u6b21\u51fa\u73b0\u65f6\u7684\u987a\u5e8f\u3002<\/strong><\/p>\n\n\n\n<p>\u6bd4\u5982\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>part = \"AAB\"\n<\/code><\/pre>\n\n\n\n<p>\u4f60\u60f3\u8981\u7684\u662f\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>\"AB\"\n<\/code><\/pre>\n\n\n\n<p>\u4f46\u5982\u679c\u76f4\u63a5\u505a\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>set(part)\n<\/code><\/pre>\n\n\n\n<p>\u4f60\u5f97\u5230\u7684\u662f\u4e00\u4e2a\u96c6\u5408\uff0c\u4e0d\u662f\u6309\u539f\u987a\u5e8f\u6392\u597d\u7684\u5b57\u7b26\u4e32\u3002<\/p>\n\n\n\n<p>\u6240\u4ee5\u8fd9\u9898\u5fc5\u987b\u81ea\u5df1\u4ece\u5de6\u5230\u53f3\u626b\u63cf\u3002<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\">2. \u4e3a\u4ec0\u4e48\u8981\u5206\u6bb5\u5904\u7406\uff0c\u800c\u4e0d\u662f\u5bf9\u6574\u4e2a\u5b57\u7b26\u4e32\u4e00\u6b21\u53bb\u91cd\uff1f<\/h3>\n\n\n\n<p>\u56e0\u4e3a\u9898\u76ee\u4e0d\u662f\u8ba9\u4f60\u5bf9\u6574\u4e2a\u5b57\u7b26\u4e32\u53bb\u91cd\uff0c\u800c\u662f\uff1a<\/p>\n\n\n\n<p><strong>\u6bcf k \u4e2a\u5b57\u7b26\u4f5c\u4e3a\u4e00\u4e2a\u5c0f\u7ec4\uff0c\u6bcf\u7ec4\u5355\u72ec\u5904\u7406\u3002<\/strong><\/p>\n\n\n\n<p>\u6bd4\u5982\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>\"AABCAAADA\"\n<\/code><\/pre>\n\n\n\n<p>\u4e0d\u662f\u76f4\u63a5\u53d8\u6210 <code>\"ABCD\"<\/code>\uff0c\u800c\u662f\u8981\u5148\u5207\u6210\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><code>\"AAB\"<\/code> -> <code>\"AB\"<\/code><\/li>\n\n\n\n<li><code>\"CAA\"<\/code> -> <code>\"CA\"<\/code><\/li>\n\n\n\n<li><code>\"ADA\"<\/code> -> <code>\"AD\"<\/code><\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">\u65b9\u6cd5\u603b\u7ed3<\/h2>\n\n\n\n<p>\u4ee5\u540e\u9047\u5230\u8fd9\u79cd\u9898\uff0c\u4f60\u53ef\u4ee5\u8fd9\u6837\u8bc6\u522b\uff1a<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u8fd9\u7c7b\u9898\u7684\u5173\u952e\u8bcd<\/h3>\n\n\n\n<p>\u5982\u679c\u9898\u76ee\u91cc\u51fa\u73b0\u8fd9\u4e9b\u610f\u601d\uff0c\u901a\u5e38\u5c31\u662f\u8fd9\u79cd\u505a\u6cd5\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u6bcf <code>k<\/code> \u4e2a\u4e00\u7ec4<\/li>\n\n\n\n<li>\u5206\u5757\u5904\u7406<\/li>\n\n\n\n<li>\u4fdd\u7559\u7b2c\u4e00\u6b21\u51fa\u73b0<\/li>\n\n\n\n<li>\u53bb\u91cd\u4f46\u987a\u5e8f\u4e0d\u80fd\u4e71<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\">\u8fd9\u7c7b\u9898\u7684\u901a\u7528\u5957\u8def<\/h3>\n\n\n\n<p><strong>\u5957\u8def\u53ef\u4ee5\u8bb0\u6210\u4e24\u6b65\uff1a<\/strong><\/p>\n\n\n\n<p>\u7b2c\u4e00\u6b65\uff0c\u6309\u56fa\u5b9a\u957f\u5ea6\u5207\u5757\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>for i in range(0, len(s), k):\n    part = s&#91;i:i+k]\n<\/code><\/pre>\n\n\n\n<p>\u7b2c\u4e8c\u6b65\uff0c\u5bf9\u6bcf\u4e00\u5757\u505a\u201c\u987a\u5e8f\u53bb\u91cd\u201d\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>seen = set()\nresult = \"\"\n\nfor ch in part:\n    if ch not in seen:\n        seen.add(ch)\n        result += ch\n<\/code><\/pre>\n\n\n\n<p>\u8fd9\u4e2a\u6a21\u677f\u4ee5\u540e\u4f1a\u5f88\u5e38\u7528\u3002<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">\u8865\u5145\u4e00\u53e5\uff1a\u8fd9\u9898\u4e3a\u4ec0\u4e48\u8981\u7528 <code>set<\/code>\uff0c\u4f46\u53c8\u4e0d\u80fd\u201c\u53ea\u7528 set\u201d\uff1f<\/h2>\n\n\n\n<p>\u56e0\u4e3a\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><code>set<\/code> \u5f88\u9002\u5408\u505a\u201c\u67d0\u4e2a\u5143\u7d20\u662f\u5426\u5df2\u7ecf\u51fa\u73b0\u8fc7\u201d\u7684\u5feb\u901f\u5224\u65ad<\/li>\n\n\n\n<li>\u4f46 <code>set<\/code> \u4e0d\u9002\u5408\u76f4\u63a5\u627f\u62c5\u201c\u4fdd\u7559\u539f\u987a\u5e8f\u201d\u7684\u4efb\u52a1<\/li>\n<\/ul>\n\n\n\n<p>\u6240\u4ee5\u8fd9\u9898\u662f\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u7528 <code>set<\/code> \u8d1f\u8d23\u201c\u5224\u91cd\u201d<\/li>\n\n\n\n<li>\u7528\u5b57\u7b26\u4e32 <code>result<\/code> \u8d1f\u8d23\u201c\u6309\u987a\u5e8f\u6536\u96c6\u7ed3\u679c\u201d<\/li>\n<\/ul>\n\n\n\n<p>\u8fd9\u5c31\u662f\u4e24\u4e2a\u5de5\u5177\u914d\u5408\u4f7f\u7528\u3002<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">\u7ec3\u4e60<\/h2>\n\n\n\n<p>\u4f60\u53ef\u4ee5\u5148\u81ea\u5df1\u505a\u8fd9\u9053\u540c\u7c7b\u578b\u5c0f\u9898\uff1a<\/p>\n\n\n\n<p>\u7ed9\u5b9a\u5b57\u7b26\u4e32\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>string = \"ABBCCCDD\"\nk = 2\n<\/code><\/pre>\n\n\n\n<p>\u8bf7\u6309\u9898\u76ee\u540c\u6837\u89c4\u5219\u8f93\u51fa\u7ed3\u679c\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u63d0\u793a<\/h3>\n\n\n\n<p>\u5148\u628a\u5b83\u5207\u6210 4 \u6bb5\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><code>\"AB\"<\/code><\/li>\n\n\n\n<li><code>\"BC\"<\/code><\/li>\n\n\n\n<li><code>\"CC\"<\/code><\/li>\n\n\n\n<li><code>\"DD\"<\/code><\/li>\n<\/ul>\n\n\n\n<p>\u7136\u540e\u6bcf\u4e00\u6bb5\u5206\u522b\u505a\u201c\u6309\u987a\u5e8f\u53bb\u91cd\u201d\u3002<\/p>\n\n\n\n<p><\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u9898\u76ee\u8003\u70b9 \u8fd9\u9053\u9898\u4e3b\u8981\u8003\u8fd9\u51e0\u4e2a\u70b9\uff1a \u8fd9\u9898\u8868\u9762\u770b\u8d77\u6765\u50cf\u201c\u5b57\u7b26\u4e32\u9898\u201d\uff0c\u4f46\u771f\u6b63\u7684\u6838\u5fc3\u662f\uff1a \u628a\u4e00\u4e2a\u5927\u5b57\u7b26\u4e32\u6309\u957f\u5ea6 k \u5206 [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[54],"tags":[],"class_list":["post-2114","post","type-post","status-publish","format-standard","hentry","category-text"],"_links":{"self":[{"href":"http:\/\/www.preluna.xyz\/index.php\/wp-json\/wp\/v2\/posts\/2114","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/www.preluna.xyz\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/www.preluna.xyz\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/www.preluna.xyz\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/www.preluna.xyz\/index.php\/wp-json\/wp\/v2\/comments?post=2114"}],"version-history":[{"count":1,"href":"http:\/\/www.preluna.xyz\/index.php\/wp-json\/wp\/v2\/posts\/2114\/revisions"}],"predecessor-version":[{"id":2116,"href":"http:\/\/www.preluna.xyz\/index.php\/wp-json\/wp\/v2\/posts\/2114\/revisions\/2116"}],"wp:attachment":[{"href":"http:\/\/www.preluna.xyz\/index.php\/wp-json\/wp\/v2\/media?parent=2114"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/www.preluna.xyz\/index.php\/wp-json\/wp\/v2\/categories?post=2114"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/www.preluna.xyz\/index.php\/wp-json\/wp\/v2\/tags?post=2114"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}