{"id":436448,"date":"2021-04-18T21:20:13","date_gmt":"2021-04-18T13:20:13","guid":{"rendered":"http:\/\/4563.org\/?p=436448"},"modified":"2021-04-18T21:20:13","modified_gmt":"2021-04-18T13:20:13","slug":"%e6%a0%b9%e6%8d%ae%e4%b8%80%e5%88%87%e9%80%92%e5%bd%92%e5%8f%af%e4%bb%a5%e8%bd%ac%e4%b8%ba%e5%be%aa%e7%8e%af%ef%bc%8c%e9%97%ae%e4%b8%aa%e9%80%92%e5%bd%92%e4%b8%ad%e5%b5%8c%e5%a5%97%e5%be%aa%e7%8e%af","status":"publish","type":"post","link":"http:\/\/4563.org\/?p=436448","title":{"rendered":"\u6839\u636e\u4e00\u5207\u9012\u5f52\u53ef\u4ee5\u8f6c\u4e3a\u5faa\u73af\uff0c\u95ee\u4e2a\u9012\u5f52\u4e2d\u5d4c\u5957\u5faa\u73af\u7684\u95ee\u9898"},"content":{"rendered":"
\n
\n
\n

\u6839\u636e\u4e00\u5207\u9012\u5f52\u53ef\u4ee5\u8f6c\u4e3a\u5faa\u73af\uff0c\u95ee\u4e2a\u9012\u5f52\u4e2d\u5d4c\u5957\u5faa\u73af\u7684\u95ee\u9898 <\/h1>\n

<\/p>\n

\n
\u8cc7\u6df1\u5927\u4f6c : punk2sang <\/span> <\/i> 5<\/span> <\/div>\n
<\/div>\n<\/p><\/div>\n<\/p><\/div>\n<\/p><\/div>\n
\u5047\u5982\u8bf4\u6709\u4ee3\u7801\u5982\u4e0b\uff1a\u8bf7\u95ee\u8fd8\u80fd\u5c06\u9012\u5f52\u6539\u4e3a\u5faa\u73af\u5417
public int add(int n) {
int k = n;
for (int i = 0; i< 3; i++) {
if (n != 1) {
k += add(n – 1);
System.out.println(k);
} else {
k+=0;
System.out.println(k);
}
}
return k;
} <\/div>\n
\u5927\u4f6c\u6709\u8a71\u8aaa<\/b> (18<\/span>) <\/div>\n
<\/div>\n<\/p><\/div>\n<\/p><\/div>\n
    \n
  • \n
    \n
    \n
    \u8cc7\u6df1\u5927\u4f6c : WuSiYu <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    \u9012\u5f52\u672c\u8d28\u4e0a\u5c31\u662f\u901a\u8fc7\u51fd\u6570\u7684\u6808\u5e27\u6765\u4fdd\u5b58\u4fe1\u606f\uff0c\u6240\u4ee5\u901a\u8fc7\u6808\u5c31\u53ef\u4ee5\u8f6c\u5316\u4efb\u4f55\u7684\u9012\u5f52\u7b97\u6cd5\uff0c\u6700\u7ecf\u5178\u7684\u6bd4\u5982\u4e8c\u53c9\u6811\u7684\u524d\u5e8f\u3001\u4e2d\u5e8f\u3001\u540e\u5e8f\u904d\u5386\u90fd\u6709\u975e\u9012\u5f52\u7684\u5199\u6cd5 <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
    \u8cc7\u6df1\u5927\u4f6c : dd112389 <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    public int add(int n) {
    int k = n;
    for (int i = 0; i< 3; i++) {
    if (n != 1) {
    k += add(n – 1);
    System.out.println(k);
    } else {
    k+=0;
    System.out.println(k);
    }
    }
    return k;
    } <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
    \u8cc7\u6df1\u5927\u4f6c : dd112389 <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    \u8fd9\u662f\u60f3\u7b97\u7d2f\u52a0 \uff1f
    \u90a3\u76f4\u63a5\u4e00\u4e2a\u5faa\u73af\u4e0d\u5c31\u51fa\u6765\u4e86 \uff1f
    var n = 10;
    var sum = 0;
    for (let i = 0; i <= 10; i++) sum += i; <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
    \u8cc7\u6df1\u5927\u4f6c : thedrwu <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    \u81ea\u5df1\u7ef4\u62a4\u4e2a\u6808\uff0c\u518d goto \u5927\u6cd5 <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
    \u8cc7\u6df1\u5927\u4f6c : irytu <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    \u8bf4\u5230\u8fd9\u4e2a\u6709\u70b9\u610f\u601d\u7684\uff0c\u60f3\u95ee\u4e2a\u4e00\u6837\u7684\u95ee\u9898\uff1a<\/p>\n

    bool reachingPoints(int sx, int sy, int tx, int ty) {
    if (sx == tx && sy == ty) return true;
    int sx1 = sx + sy;
    int sy1 = sy;<\/p>\n

    int sx2 = sx;
    int sy2 = sx + sy;<\/p>\n

    if ((sx1 > tx || sy1 > ty) && (sx2 > tx || sy2 > ty))
    {
    return false;
    }<\/p>\n

    return reachingPoints(sx1, sy1, tx, ty) || reachingPoints(sx2, sy2, tx, ty);
    }<\/p>\n

    \u8fd9\u4e2a\u9012\u5f52\u600e\u4e48\u53d8\u5faa\u73af\uff1f <\/div>\n<\/p><\/div>\n<\/li>\n

  • \n
    \n
    \n
    \u8cc7\u6df1\u5927\u4f6c : GAsss <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    \u5982\u4f55\u628a\u4efb\u610f\u9012\u5f52\u8f6c\u5faa\u73af\uff1f\u2014\u2014\u7f16\u8bd1\u5668\u7f16\u8bd1\u540e\u770b\u751f\u6210\u7684\u6c47\u7f16 [\u72d7\u5934] <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
    \u8cc7\u6df1\u5927\u4f6c : abersheeran <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    \u5982\u4e0a\u6240\u8bf4\uff0c\u7f16\u8bd1\u518d\u53cd\u7f16\u8bd1\u5373\u53ef\u3002\u54c8\u54c8\u54c8\u54c8\u54c8\u54c8 <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
    \u8cc7\u6df1\u5927\u4f6c : atuocn <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    \u770b\u770b sicp, \u5173\u4e8e\u9012\u5f52\u548c\u8fed\u4ee3\u7684\u89e3\u91ca\u3002\u4e3b\u8981\u7684\u533a\u522b\u662f\uff0c\u9012\u5f52\u9700\u8981\u4f7f\u7528\u6808\u7a7a\u95f4\uff0c\u800c\u8fed\u4ee3\u4e0d\u9700\u8981\u3002\u5927\u591a\u65f6\u5019\u9012\u5f52\u7b97\u6cd5\u5bb9\u6613\u89e3\u51b3\uff0c\u8f6c\u6210\u8fed\u4ee3\u7b97\u6cd5\u5219\u4e0d\u592a\u5bb9\u6613\u3002 <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
    \u8cc7\u6df1\u5927\u4f6c : Whurry <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    666 <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
    \u8cc7\u6df1\u5927\u4f6c : jiangzhizhou <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    \u5c31\u4e0d\u80fd\u7f29\u8fdb\u4e00\u4e0b\u4e48
    “`Java
    public int add(int n) {
    int k = n;
    for (int i = 0; i< 3; i++) {
    if (n != 1) {
    k += add(n – 1);
    System.out.println(k);
    } else {
    k += 0;
    System.out.println(k);
    }
    }
    return k;
    }
    “` <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
    \u8cc7\u6df1\u5927\u4f6c : jiangzhizhou <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    @jiangzhizhou \u4e3a\u5565\u4e0d\u652f\u6301 MarkDown <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
    \u8cc7\u6df1\u5927\u4f6c : no1xsyzy <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    @dd112389 \u663e\u7136\u4e0d\u662f\u2026\u2026 \u6392\u9664\u526f\u4f5c\u7528\u7684\u8bdd
    add :: Int -> Int
    add 1 = 1
    add n = n + 3 * add n
    \u8fd9\u662f\u4e00\u4e2a\u6307\u6570\u589e\u957f\u7684\u51fd\u6570\u3002<\/p>\n

    @punk2sang \u5982\u679c\u4f60\u8981\u4fdd\u7559\u6240\u6709\u526f\u4f5c\u7528\u7684\u8bdd\u5c31\u5fc5\u987b\u81ea\u5df1\u7ef4\u62a4\u6808\u5e27\u4e86\u3002
    \u4e0d\u4fdd\u7559\u526f\u4f5c\u7528\u7684\u8bdd\u4e00\u65b9\u9762\u770b\u4e0b DP\uff0c\u5176\u5b9e\u53ea\u9700\u8981\u4fdd\u7559 last k
    last = nil
    loop(nn in 1…n){
    k=n
    loop(i in 0..3){
    if(nn != 1){
    k += last
    println(k)
    } else {
    k+=0
    print(k)
    }
    last = k
    }<\/p>\n

    \u867d\u7136\u4e0a\u8ff0\u4f3c\u4e4e\u65e0\u6cd5\u6b63\u786e\u5730\u88ab\u5f62\u5f0f\u5316\u8bc1\u660e\u3002
    \u867d\u7136\u5728 nn != 1 \u524d\u53ef\u4ee5\u6dfb\u52a0\u4e0d\u53d8\u5f0f nn != 1 => last != nil \u4f46\u5982\u4f55\u4fdd\u8bc1\u8fd9\u4e2a\u4e0d\u53d8\u5f0f\u6b63\u786e\u4f3c\u4e4e\u6bd4\u8f83\u8be1\u5f02\u3002 <\/div>\n<\/p><\/div>\n<\/li>\n

  • \n
    \n
    \n
    \u8cc7\u6df1\u5927\u4f6c : no1xsyzy <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    @no1xsyzy \u54e6\u2026\u2026
    \u6211\u4e0d\u5e94\u8be5\u52a0\u4e0a print \u7684
    \u73b0\u5728\u8fd9\u4e2a\u6837\u5b50\u526f\u4f5c\u7528\u7684\u6b21\u6570\u90fd\u4e0d\u5bf9\u3002
    \u8981\u526f\u4f5c\u7528\u5b8c\u5168\u4e00\u81f4\u8fd8\u662f\u9700\u8981\u81ea\u5df1\u7ef4\u62a4\u6808\u5e27\u3002
    \u2014\u2014
    \u5f53\u7136\u8fd8\u6709\u4e00\u79cd\u66f2\u7ebf\u65b9\u5f0f
    \u4f60\u53ef\u4ee5\u53d1\u73b0\u8fd9\u4e2a\u526f\u4f5c\u7528\u4e5f\u662f\u5206\u6cbb\u7684\u3002
    \u6240\u4ee5\u5176\u5b9e\u53ef\u4ee5\u628a\u526f\u4f5c\u7528\u6784\u6210\u4f20\u53c2<\/p>\n

    add :: (Int, [Char]) -> (Int, [Char])
    add (1, s) = (1, “1n1n1”)
    add (n, s) = (n + 3 * add n, concat $ replicate 3 $ s ++ show k)<\/p>\n

    \u8fd9\u79cd\u7b80\u5355\u9012\u5f52\u6839\u672c\u4e0d\u7528\u6211\u8bf4\u4e86\u5427 <\/p><\/div>\n<\/p><\/div>\n<\/li>\n

  • \n
    \n
    \n
    \u8cc7\u6df1\u5927\u4f6c : misaka19000 <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    \u4e0d\u90fd\u662f jmp \u5417\uff0c\u6709\u4ec0\u4e48\u4e0d\u80fd\u8f6c\u7684 <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
    \u8cc7\u6df1\u5927\u4f6c : yeqizhang <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    @irytu \u6309\u7167\u524d\u9762\u7684\u4eba\u8bf4\u7684\u7f16\u8bd1\u540e\u53cd\u7f16\u8bd1\uff0c\u6211\u8bd5\u4e86 java \u786e\u5b9e\u53cd\u7f16\u8bd1\u51fa\u6765\u8fd8\u662f\u9012\u5f52\u3002<\/p>\n

    public static boolean reachingPoints(int sx, int sy, int tx, int ty) {
    if (sx == tx && sy == ty) {
    return true;
    } else {
    int sx1 = sx + sy;
    int sy2 = sx + sy;
    if ((sx1 > tx || sy > ty) && (sx > tx || sy2 > ty)) {
    return false;
    } else {
    return reachingPoints(sx1, sy, tx, ty) || reachingPoints(sx, sy2, tx, ty);
    }
    }
    }<\/p>\n

    \u4e0d\u8fc7\u8fd9\u4ee3\u7801\u770b\u8d77\u6765\u5934\u75bc\uff0c\u7ed3\u5408\u4e1a\u52a1\u903b\u8f91\u7684\u76ee\u7684\u6765\u770b\u53ef\u80fd\u8fd8\u597d… <\/p><\/div>\n<\/p><\/div>\n<\/li>\n

  • \n
    \n
    \n
    \u8cc7\u6df1\u5927\u4f6c : irytu <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    @yeqizhang \u54c8\u54c8\u54c8 \u662f\u7684 \u8fd9\u662f\u4e4b\u524d leetcode \u7684\u4e00\u9053\u9898\u7684\u89e3\u6cd5 <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
    \u4e3b<\/span> \u8cc7\u6df1\u5927\u4f6c : punk2sang <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    @GAsss @Whurry @WuSiYu @abersheeran @atuocn @dd112389 @irytu @jiangzhizhou @misaka19000 @no1xsyzy \u611f\u8c22\u5927\u5bb6\u7684\u56de\u590d\uff0c\u6211\u540e\u9762\u60f3\u4e86\u4e0b\uff0c\u8fd9\u79cd\u662f\u4e0d\u662f\u53ef\u4ee5\u770b\u4f5c\u5c31\u662f\u975e\u9012\u5f52\u7248\u7684\u591a\u53c9\u6811\u540e\u5e8f\u904d\u5386 <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
    \u8cc7\u6df1\u5927\u4f6c : no1xsyzy <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    @punk2sang \u597d\u50cf\u786e\u5b9e\u53ef\u4ee5\u770b\u4f5c\u5bf9 AST \u8fdb\u884c\u540e\u6839\u904d\u5386 <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n","protected":false},"excerpt":{"rendered":"

    \u6839\u636e\u4e00\u5207\u9012\u5f52\u53ef\u4ee5\u8f6c\u4e3a\u5faa\u73af\uff0c\u95ee\u4e2a\u9012\u5f52…<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[],"tags":[],"_links":{"self":[{"href":"http:\/\/4563.org\/index.php?rest_route=\/wp\/v2\/posts\/436448"}],"collection":[{"href":"http:\/\/4563.org\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/4563.org\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/4563.org\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/4563.org\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=436448"}],"version-history":[{"count":0,"href":"http:\/\/4563.org\/index.php?rest_route=\/wp\/v2\/posts\/436448\/revisions"}],"wp:attachment":[{"href":"http:\/\/4563.org\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=436448"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/4563.org\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=436448"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/4563.org\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=436448"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}