{"id":142,"date":"2016-03-21T22:29:26","date_gmt":"2016-03-21T14:29:26","guid":{"rendered":"http:\/\/www.chenweikang.top\/?p=142"},"modified":"2016-03-21T22:34:14","modified_gmt":"2016-03-21T14:34:14","slug":"2016-%e7%ac%ac%e4%b8%83%e5%b1%8a%e8%93%9d%e6%a1%a5%e6%9d%af-cc-b%e7%bb%84%e7%9c%81%e8%b5%9b%e7%9c%9f%e9%a2%98%e5%8f%8a%e8%a7%a3%e9%a2%98%e6%8a%a5%e5%91%8a","status":"publish","type":"post","link":"https:\/\/www.chenweikang.top\/?p=142","title":{"rendered":"2016 \u7b2c\u4e03\u5c4a\u84dd\u6865\u676f c\/c++ B\u7ec4\u7701\u8d5b\u771f\u9898\u53ca\u89e3\u9898\u62a5\u544a"},"content":{"rendered":"

\u52d8\u8bef1\uff1a\u7b2c6\u9898\u7b2c4\u4e2a if\u6700\u540e\u4e00\u4e2a\u6761\u4ef6\u7c97\u5fc3\u5199\u9519\u4e86\uff0c\u7b54\u6848\u5e94\u4e3a1580\u3002\u6761\u4ef6\u5e94\u4e3aabs(a[3]-a[7])!=1<\/code>,\u5b9d\u5b9d\u5fc3\u7406\u82e6\u554a\uff01\uff01\u611f\u8c22zzh\u7ae5\u978b\u7684\u63d0\u9192\u3002<\/span><\/p>\n

\u52d8\u8bef2\uff1a\u7b2c7\u9898\u5728\u5224\u65ad\u8fde\u901a\u7684\u65f6\u5019\u6761\u4ef6\u5199\u9519\u4e86\uff0c\u540e\u4e24\u4e2aif\u6761\u4ef6\u4e2d\u662f\u5e94\u8be5\u662f<=12 \u843d\u4e86\u4e00\u4e2a\u7b49\u4e8e\u53f7\u3002<\/span><\/p>\n

<\/a>1.\u7164\u7403\u6570\u76ee<\/strong><\/h2>\n

\n\u6709\u4e00\u5806\u7164\u7403\uff0c\u5806\u6210\u4e09\u89d2\u68f1\u9525\u5f62\u3002\u5177\u4f53\uff1a
\n\u7b2c\u4e00\u5c42\u653e1\u4e2a\uff0c
\n\u7b2c\u4e8c\u5c423\u4e2a\uff08\u6392\u5217\u6210\u4e09\u89d2\u5f62\uff09\uff0c
\n\u7b2c\u4e09\u5c426\u4e2a\uff08\u6392\u5217\u6210\u4e09\u89d2\u5f62\uff09\uff0c
\n\u7b2c\u56db\u5c4210\u4e2a\uff08\u6392\u5217\u6210\u4e09\u89d2\u5f62\uff09\uff0c
\n\u2026.
\n\u5982\u679c\u4e00\u5171\u6709100\u5c42\uff0c\u5171\u6709\u591a\u5c11\u4e2a\u7164\u7403\uff1f<\/p>\n

\u8bf7\u586b\u8868\u793a\u7164\u7403\u603b\u6570\u76ee\u7684\u6570\u5b57\u3002
\n\u6ce8\u610f\uff1a\u4f60\u63d0\u4ea4\u7684\u5e94\u8be5\u662f\u4e00\u4e2a\u6574\u6570\uff0c\u4e0d\u8981\u586b\u5199\u4efb\u4f55\u591a\u4f59\u7684\u5185\u5bb9\u6216\u8bf4\u660e\u6027\u6587\u5b57\u3002<\/p><\/blockquote>\n

<\/a>\u89e3\u9898\u601d\u8def<\/h3>\n

\u7b2cn\u5c42\u7684\u7164\u7403\u6570\u662fn*(n+1)\/2\u4e2a,\u5171100\u5c42\uff0c\u653e\u8fdbfor\u5faa\u73af\u7d2f\u52a0\u4e00\u4e0b\u3002\u6ce8\u610f\u6c42\u7684\u662f\u524d\u4e00\u767e\u5c42\u4e00\u5171,\u7b54\u6848\u4e3a171700<\/p>\n

<\/a>\u4ee3\u7801<\/h3>\n
#include <cstdio><\/span>\r\n#include <algorithm><\/span>\r\nusing<\/span> namespace<\/span> std<\/span>;\r\nint<\/span> main(){\r\n    long<\/span> long<\/span> x=0<\/span>;\r\n    for<\/span>(int<\/span> i=1<\/span>;i<101<\/span>;i++){\r\n        \/\/printf(\"i:%d\\n\",(1+i)*(i)\/2);<\/span>\r\n        x+=(1<\/span>+i)*(i)\/2<\/span>;\r\n    }\r\n    printf<\/span>(\"x:%lld\\n\"<\/span>,x);\r\n    return<\/span> 0<\/span>;\r\n}<\/code><\/pre>\n
\n
<\/a>2.\u751f\u65e5\u8721\u70db<\/strong><\/h2>\n
\n
\u67d0\u541b\u4ece\u67d0\u5e74\u5f00\u59cb\u6bcf\u5e74\u90fd\u4e3e\u529e\u4e00\u6b21\u751f\u65e5party\uff0c\u5e76\u4e14\u6bcf\u6b21\u90fd\u8981\u5439\u7184\u4e0e\u5e74\u9f84\u76f8\u540c\u6839\u6570\u7684\u8721\u70db\u3002<\/p>\n
\u73b0\u5728\u7b97\u8d77\u6765\uff0c\u4ed6\u4e00\u5171\u5439\u7184\u4e86236\u6839\u8721\u70db\u3002<\/p>\n
\u8bf7\u95ee\uff0c\u4ed6\u4ece\u591a\u5c11\u5c81\u5f00\u59cb\u8fc7\u751f\u65e5party\u7684\uff1f<\/p>\n
\u8bf7\u586b\u5199\u4ed6\u5f00\u59cb\u8fc7\u751f\u65e5party\u7684\u5e74\u9f84\u6570\u3002
\n\u6ce8\u610f\uff1a\u4f60\u63d0\u4ea4\u7684\u5e94\u8be5\u662f\u4e00\u4e2a\u6574\u6570\uff0c\u4e0d\u8981\u586b\u5199\u4efb\u4f55\u591a\u4f59\u7684\u5185\u5bb9\u6216\u8bf4\u660e\u6027\u6587\u5b57\u3002<\/p><\/blockquote>\n
<\/a>\u89e3\u9898\u601d\u8def<\/h3>\n
\u5047\u8bbe\u4ed6\u4ece\u7b2ci\u5e74\u5f00\u59cb\u8fc7\uff0c\u4e00\u5171\u8fc7\u4e86k\u5e74\uff0c\u5199\u4e24\u4e2afor\u7a77\u4e3e\u4e00\u4e0b\uff0c1-100\u8303\u56f4\u5185\uff0c\u5229\u7528\u7b49\u5dee\u6570\u5217\u6c42\u548c\u516c\u5f0f\uff0c\u6ee1\u8db3\u8fd9\u4e2a\u5f0f\u5b50\u7684(<\/span>2<\/span>\u2217<\/span>i<\/span>+<\/span>k<\/span>)<\/span>\u2217<\/span>(<\/span>k<\/span>+<\/span>1<\/span>)<\/span>==<\/span>472<\/span><\/span><\/span><\/span>\u5c31\u662f\u7b54\u6848\uff0c\u6700\u540e\u7b54\u6848\u4e3a26\u3002<\/p>\n
<\/a>\u4ee3\u7801<\/h3>\n
#include <cstdio><\/span>\r\nint<\/span> main(){\r\n    for<\/span>(int<\/span> i=1<\/span>;i<100<\/span>;i++){\r\n        for<\/span>(int<\/span> k=1<\/span>;k<100<\/span>;k++){\r\n            if<\/span>((2<\/span>*i+k)*(k+1<\/span>)==472<\/span>){\r\n                printf<\/span>(\"i:%d k:%d\\n\"<\/span>,i,k);\r\n            }\r\n        }\r\n    }\r\n    return<\/span> 0<\/span>;\r\n}\r\n\r\n\r\n<\/code><\/pre>\n
<\/a>3.\u51d1\u7b97\u5f0f<\/strong><\/h2>\n
\n
\"\u8fd9\u91cc\u5199\u56fe\u7247\u63cf\u8ff0\"<\/p>\n
\u8fd9\u4e2a\u7b97\u5f0f\u4e2dA~I\u4ee3\u88681~9\u7684\u6570\u5b57\uff0c\u4e0d\u540c\u7684\u5b57\u6bcd\u4ee3\u8868\u4e0d\u540c\u7684\u6570\u5b57\u3002<\/p>\n
\u6bd4\u5982\uff1a
\n6+8\/3+952\/714 \u5c31\u662f\u4e00\u79cd\u89e3\u6cd5\uff0c
\n5+3\/1+972\/486 \u662f\u53e6\u4e00\u79cd\u89e3\u6cd5\u3002<\/p>\n
\u8fd9\u4e2a\u7b97\u5f0f\u4e00\u5171\u6709\u591a\u5c11\u79cd\u89e3\u6cd5\uff1f<\/p>\n
\u6ce8\u610f\uff1a\u4f60\u63d0\u4ea4\u5e94\u8be5\u662f\u4e2a\u6574\u6570\uff0c\u4e0d\u8981\u586b\u5199\u4efb\u4f55\u591a\u4f59\u7684\u5185\u5bb9\u6216\u8bf4\u660e\u6027\u6587\u5b57\u3002<\/p><\/blockquote>\n
<\/a>\u89e3\u9898\u601d\u8def<\/h3>\n
\u5229\u7528c++\u4e2d\u7684\u5168\u6392\u5217\u51fd\u6570\u5168\u6392\u5217\u4e00\u4e0b1-9\uff0c\u7136\u540e\u6761\u4ef6\u5224\u65ad\u4e00\u4e0b\u5c31\u53ef\u4ee5\u4e86\u3002
\n\u7b54\u6848\u4e3a29<\/p>\n
<\/a>\u4ee3\u7801<\/h3>\n
#include <cstdio><\/span>\r\n#include <algorithm><\/span>\r\nusing<\/span> namespace<\/span> std<\/span>;\r\nint<\/span> main(){\r\n    \/\/         a,b,c,d,e,f,g,h,i<\/span>\r\n    int<\/span> a[10<\/span>]={1<\/span>,2<\/span>,3<\/span>,4<\/span>,5<\/span>,6<\/span>,7<\/span>,8<\/span>,9<\/span>},count=0<\/span>;\r\n    do<\/span>{\r\n        int<\/span> ghi=(a[6<\/span>]*100<\/span>+a[7<\/span>]*10<\/span>+a[8<\/span>]);\r\n        int<\/span> def=a[3<\/span>]*100<\/span>+a[4<\/span>]*10<\/span>+a[5<\/span>];\r\n        if<\/span>((a[0<\/span>]*a[2<\/span>]*ghi)+(a[1<\/span>]*ghi)+(def*a[2<\/span>])==10<\/span>*a[2<\/span>]*ghi){\r\n            count++;\r\n            printf<\/span>(\"%d+%d\/%d+%d%d%d\/%d%d%d=10\\n\"<\/span>,a[0<\/span>],a[1<\/span>],a[2<\/span>],a[3<\/span>],a[4<\/span>],a[5<\/span>],a[6<\/span>],a[7<\/span>],a[8<\/span>]);\r\n        }\r\n    }while<\/span>(next_permutation(a,a+9<\/span>));\r\n    printf<\/span>(\"cout:%d\\n\"<\/span>,count);\r\n    return<\/span> 0<\/span>;\r\n}<\/code><\/pre>\n
<\/a>4.\u5feb\u901f\u6392\u5e8f<\/strong><\/h2>\n
\n
\u6392\u5e8f\u5728\u5404\u79cd\u573a\u5408\u7ecf\u5e38\u88ab\u7528\u5230\u3002
\n\u5feb\u901f\u6392\u5e8f\u662f\u5341\u5206\u5e38\u7528\u7684\u9ad8\u6548\u7387\u7684\u7b97\u6cd5\u3002<\/p>\n
\u5176\u601d\u60f3\u662f\uff1a\u5148\u9009\u4e00\u4e2a\u201c\u6807\u5c3a\u201d\uff0c
\n\u7528\u5b83\u628a\u6574\u4e2a\u961f\u5217\u8fc7\u4e00\u904d\u7b5b\u5b50\uff0c
\n\u4ee5\u4fdd\u8bc1\uff1a\u5176\u5de6\u8fb9\u7684\u5143\u7d20\u90fd\u4e0d\u5927\u4e8e\u5b83\uff0c\u5176\u53f3\u8fb9\u7684\u5143\u7d20\u90fd\u4e0d\u5c0f\u4e8e\u5b83\u3002<\/p>\n
\u8fd9\u6837\uff0c\u6392\u5e8f\u95ee\u9898\u5c31\u88ab\u5206\u5272\u4e3a\u4e24\u4e2a\u5b50\u533a\u95f4\u3002
\n\u518d\u5206\u522b\u5bf9\u5b50\u533a\u95f4\u6392\u5e8f\u5c31\u53ef\u4ee5\u4e86\u3002<\/p>\n
\u4e0b\u9762\u7684\u4ee3\u7801\u662f\u4e00\u79cd\u5b9e\u73b0\uff0c\u8bf7\u5206\u6790\u5e76\u586b\u5199\u5212\u7ebf\u90e8\u5206\u7f3a\u5c11\u7684\u4ee3\u7801\u3002<\/p><\/blockquote>\n
#include <stdio.h><\/span>\r\n\r\nvoid<\/span> swap(int<\/span> a[], int<\/span> i, int<\/span> j)\r\n{\r\n    int<\/span> t = a[i];\r\n    a[i] = a[j];\r\n    a[j] = t;\r\n}\r\n\r\nint<\/span> partition(int<\/span> a[], int<\/span> p, int<\/span> r)\r\n{\r\n    int<\/span> i = p;\r\n    int<\/span> j = r + 1<\/span>;\r\n    int<\/span> x = a[p];\r\n    while<\/span>(1<\/span>){\r\n        while<\/span>(i<r && a[++i]<x);\r\n        while<\/span>(a[--j]>x);\r\n        if<\/span>(i>=j) break<\/span>;\r\n        swap(a,i,j);\r\n    }\r\n    ______________________;\r\n    return<\/span> j;\r\n}\r\n\r\nvoid<\/span> quicksort(int<\/span> a[], int<\/span> p, int<\/span> r)\r\n{\r\n    if<\/span>(p<r){\r\n        int<\/span> q = partition(a,p,r);\r\n        quicksort(a,p,q-1<\/span>);\r\n        quicksort(a,q+1<\/span>,r);\r\n    }\r\n}\r\n\r\nint<\/span> main()\r\n{\r\n    int<\/span> i;\r\n    int<\/span> a[] = {5<\/span>,13<\/span>,6<\/span>,24<\/span>,2<\/span>,8<\/span>,19<\/span>,27<\/span>,6<\/span>,12<\/span>,1<\/span>,17<\/span>};\r\n    int<\/span> N = 12<\/span>;\r\n\r\n    quicksort(a, 0<\/span>, N-1<\/span>);\r\n\r\n    for<\/span>(i=0<\/span>; i<N; i++) printf<\/span>(\"%d \"<\/span>, a[i]);\r\n    printf<\/span>(\"\\n\"<\/span>);\r\n\r\n    return<\/span> 0<\/span>;\r\n}<\/code><\/pre>\n
\u6ce8\u610f\uff1a\u53ea\u586b\u5199\u7f3a\u5c11\u7684\u5185\u5bb9\uff0c\u4e0d\u8981\u4e66\u5199\u4efb\u4f55\u9898\u9762\u5df2\u6709\u4ee3\u7801\u6216\u8bf4\u660e\u6027\u6587\u5b57\u3002<\/p><\/blockquote>\n
<\/a>\u89e3\u9898\u601d\u8def<\/h3>\n
\u5f88\u5e38\u89c4\u7684\u5feb\u901f\u6392\u5e8f\uff0c\u4e0d\u4f1a\u586b\u7684\u81ea\u5df1\u7ffb\u4e00\u4e0b\u6570\u636e\u7ed3\u6784\u7684\u4e66\u3002<\/p>\n
<\/a>\u586b\u7a7a\u4ee3\u7801<\/h3>\n
swap(a,j,p)<\/code><\/pre>\n