{"id":354,"date":"2006-06-02T16:06:15","date_gmt":"2006-06-02T08:06:15","guid":{"rendered":"http:\/\/fdream.net\/blog\/article\/354.aspx"},"modified":"2006-06-02T20:06:37","modified_gmt":"2006-06-02T12:06:37","slug":"24%e7%82%b9%e7%9a%84%e4%b8%89%e7%a7%8d%e7%ae%97%e6%b3%95%e6%80%9d%e8%b7%af%e5%8f%8a%e4%bb%a3%e7%a0%81(2)","status":"publish","type":"post","link":"https:\/\/fdream.net\/blog\/article\/354","title":{"rendered":"24\u70b9\u7684\u4e09\u79cd\u7b97\u6cd5\u601d\u8def\u53ca\u4ee3\u7801(2)"},"content":{"rendered":"

\u6b64\u6587\u6240\u8d34\u4ee3\u7801\u5747\u4e3a\u9762\u5411\u8fc7\u7a0b\u7684C(++)\u4ee3\u7801\uff0c\u5728VC6\u4e0b\u7f16\u8bd1\u901a\u8fc7\u3002<\/p>\n

\u7b2c\u4e00\u79cd\u601d\u8def\uff1a<\/b>
\u628a\u591a\u5143\u8fd0\u7b97\u8f6c\u5316\u4e3a\u4e24\u5143\u8fd0\u7b97\uff0c\u5148\u4ece\u56db\u4e2a\u6570\u4e2d\u53d6\u51fa\u4e24\u4e2a\u6570\u8fdb\u884c\u8fd0\u7b97\uff0c\u7136\u540e\u628a\u8fd0\u7b97\u7ed3\u679c\u548c\u7b2c\u4e09\u4e2a\u6570\u8fdb\u884c\u8fd0\u7b97\uff0c\u518d\u628a\u7ed3\u679c\u4e0e\u7b2c\u56db\u4e2a\u6570\u8fdb\u884c\u8fd0\u7b97\u3002\u5728\u6c42\u8868\u8fbe\u5f0f\u7684\u8fc7\u7a0b\u4e2d\uff0c\u6700\u96be\u5904\u7406\u7684\u5c31\u662f\u5bf9\u62ec\u53f7\u7684\u5904\u7406\uff0c\u800c\u8fd9\u79cd\u601d\u8def\u5f88\u597d\u7684\u907f\u514d\u4e86\u5bf9\u62ec\u53f7\u7684\u5904\u7406\u3002\u57fa\u4e8e\u8fd9\u79cd\u601d\u8def\u6709\u4e24\u79cd\u7b97\u6cd5\uff1a<\/p>\n

\u7b2c\u4e8c\u79cd\u7b97\u6cd5\uff08\u6b64\u7b97\u6cd5\u601d\u60f3\u53c2\u8003\u4e86CSDN(penguinMII)–\u4f01\u9e45\u7684\u7b97\u6cd5\u601d\u60f3\uff09\uff1a
\u53ef\u4ee5\u5bfb\u627e\u6240\u6709\u8868\u8fbe\u5f0f\u7684\u89c4\u5f8b\uff0c\u5f97\u51fa\u5982\u4e0b\u7ed3\u8bba\uff1a\u628a\u8868\u8fbe\u5f0f\u770b\u6210\u4e00\u4e2a\u51fd\u6570F(A,B,C,D)=24\uff0c\u53ef\u5206\u4e24\u79cd\u60c5\u51b5F=(((A,B),C),D)\u548cF=((A,B),(C,D))\uff0c\u5bf9\u5176\u5206\u522b\u8ba1\u7b97\u5373\u53ef\u5f97\u5230\u7b54\u6848\uff0c\u7b97\u6cd5\u8fc7\u7a0b\u5982\u4e0b\uff1a
1)\u5148\u5bf9\u7b2c\u4e00\u4e2a\u6570\u548c\u7b2c\u4e8c\u4e2a\u6570\u8fdb\u884c\u8ba1\u7b97\uff0c\u5e76\u4fdd\u5b58\u7ed3\u679c\u548c\u8868\u8fbe\u5f0f\uff1b
2)\u5bf9\u4e0a\u8ff0\u7ed3\u679c\u4e0e\u7b2c\u4e09\u4e2a\u6570\u8fdb\u884c\u8ba1\u7b97\uff0c\u5e76\u4fdd\u5b58\u7ed3\u679c\u548c\u8868\u8fbe\u5f0f\uff1b
3)\u5bf9\u4e0a\u8ff0\u7ed3\u679c\u4e0e\u7b2c\u56db\u4e2a\u4e2a\u6570\u8fdb\u884c\u8ba1\u7b97\uff0c\u5e76\u4fdd\u5b58\u7ed3\u679c\u548c\u8868\u8fbe\u5f0f\uff1b
4)\u5224\u65ad\u7ed3\u679c\uff0c\u5e76\u8f93\u51fa\u7ed3\u679c\uff1b
5)\u5bf9\u7b2c\u4e09\u4e2a\u6570\u548c\u7b2c\u56db\u4e2a\u6570\u8fdb\u884c\u8ba1\u7b97\uff0c\u5e76\u4fdd\u5b58\u7ed3\u679c\u548c\u8868\u8fbe\u5f0f\uff1b
6)\u5bf9\u7b2c\u4e00\u4e2a\u6570\u4e0e\u7b2c\u4e8c\u4e2a\u6570\u7684\u7ed3\u679c\u548c\u7b2c\u4e09\u4e2a\u6570\u4e0e\u7b2c\u56db\u4e2a\u6570\u7684\u7ed3\u679c\u8fdb\u884c\u8ba1\u7b97\uff0c\u5e76\u4fdd\u5b58\u7ed3\u679c\u548c\u8868\u8fbe\u5f0f\uff1b
7)\u5224\u65ad\u7ed3\u679c\uff0c\u5e76\u8f93\u51fa\u7ed3\u679c\uff1b
\u5728\u8fd9\u79cd\u7b97\u6cd5\u4e2d\u9700\u8981\u5bf9\u6240\u6709\u6570\u636e\u8fdb\u884c\u6392\u5217\u7ec4\u5408\uff0c\u5bf9\u6240\u6709\u7ec4\u5408\u8fdb\u884c\u4e0a\u8ff0\u8fd0\u7b97\u8fc7\u7a0b\u3002<\/p>\n

\u8bf4\u660e\uff1a’-‘\u548c’\/’\u6709\u4e24\u79cd\u60c5\u51b5\uff0c’a-b’\u7528’a-b’\u8868\u793a,’b-a’\u7528’a|b’\u8868\u793a\uff0c’a\/b’\u7528’a\/b’\u8868\u793a\uff0c’b\/a’\u7528’a\\b’\u8868\u793a\uff0c’\\’\u662f\u8f6c\u4e49\u5b57\u7b26\uff0c\u8981\u7528’\\\\’\u8868\u793a\u3002<\/p>\n

\u7a0b\u5e8f\u4ee3\u7801\u5982\u4e0b\uff1a<\/p>\n

\n

\/********************************\/
\/*\tfdream.net\t\t*\/
\/*\t Author:Fdream\t\t*\/
\/* \u5f15\u7528\u6b64\u7b97\u6cd5\u8bf7\u4fdd\u7559\u6b64\u4fe1\u606f *\/
\/********************************\/<\/p>\n

#include
#include
#include<\/p>\n

using namespace std;<\/p>\n

const double PE=1E-6;
const int RESULT = 24;<\/p>\n

void main(void){
\tint com[24][4]={0};
\tint number[4]={0};
\tint f,i,j,m,n,k=0,flag=0,s=0,comNum=0;<\/p>\n

\tchar buffer[20];
\tstring expa,expb,expression;<\/p>\n

\t\/\/\u8f93\u5165\u6570\u636e
\tfor(i=0;i<4;i++)
\t\tcin >> number[i];<\/p>\n

\t\/\/\u751f\u6210\u6570\u636e\u7684\u6392\u5217\u7ec4\u5408
\tfor(i=0;i<4;i++){
\t\tfor(j=0;j<4;j++){
\t\t\tif(j!=i){
\t\t\t\tfor(m=0;m<4;m++){
\t\t\t\t\tif(m!=i&&m!=j){
\t\t\t\t\t\tfor(n=0;n<4;n++)
\t\t\t\t\t\t\tif(n!=i&&n!=j&&n!=m){
\t\t\t\t\t\t\t\tflag=1;
\t\t\t\t\t\t\t\t\/\/\u9664\u53bb\u91cd\u590d\u7684\u6392\u5217\u7ec4\u5408
\t\t\t\t\t\t\t\tfor(s=0;s\t\t\t\t\t\t\t\t\tif(com[s][0]==number[i]&&com[s][1]==number[j]&&com[s][2]==number[m]&&com[s][3]==number[n]){
\t\t\t\t\t\t\t\t\t\tflag=0;
\t\t\t\t\t\t\t\t\t}
\t\t\t\t\t\t\t\t}
\t\t\t\t\t\t\t\tif(flag){\t\t\t\t\t\t\t\t\t
\t\t\t\t\t\t\t\t\t\tcom[k][0]=number[i];
\t\t\t\t\t\t\t\t\t\tcom[k][1]=number[j];
\t\t\t\t\t\t\t\t\t\tcom[k][2]=number[m];
\t\t\t\t\t\t\t\t\t\tcom[k][3]=number[n];
\t\t\t\t\t\t\t\t\t\tk++;
\t\t\t\t\t\t\t\t\t\tcomNum++;
\t\t\t\t\t\t\t\t}
\t\t\t\t\t\t\t}
\t\t\t\t\t}
\t\t\t\t}
\t\t\t}
\t\t}
\t}<\/p>\n

\t\/\/\u751f\u6210\u8fd0\u7b97\u7b26\u7684\u6392\u5217\u7ec4\u5408
\tchar op[6]={‘+’,’-‘,’|’,’*’,’\/’,’\\\\’};
\tchar opArray[216][3]={‘+’};
\tk=0;
\tfor(i=0;i<6;i++){
\t\tfor(j=0;j<6;j++)
\t\t\tfor(m=0;m<6;m++){
\t\t\t\t\topArray[k][0]=op[i];
\t\t\t\t\topArray[k][1]=op[j];
\t\t\t\t\topArray[k][2]=op[m];
\t\t\t\t\tk++;
\t\t\t}<\/p>\n

\t}<\/p>\n

\t\/\/\u4e34\u65f6\u6570\u7ec4\uff0c\u8ba1\u7b97\u65f6\u4f7f\u7528
\tdouble tempNum[4]={0};<\/p>\n

\tfor(i=0;i\t\tfor(j=0;j<216;j++){
\t\t\tfor(f=0;f<4;f++)
\t\t\t\ttempNum[f]=com[i][f];
\t\t\tk=1;<\/p>\n

\t\t\t\/\/\u5224\u65ad\u8fd0\u7b97\u7b26
\t\t\tfor(n=0;n<3;n++){
\t\t\t\tswitch(opArray[j][n]){
\t\t\t\tcase ‘+’:
\t\t\t\t\ttempNum[0]=tempNum[0]+tempNum[k];
\t\t\t\t\tbreak;
\t\t\t\tcase ‘-‘:
\t\t\t\t\ttempNum[0]=tempNum[0]-tempNum[k];
\t\t\t\t\tbreak;
\t\t\t\tcase ‘|’:
\t\t\t\t\ttempNum[0]=tempNum[k]-tempNum[0];
\t\t\t\t\tbreak;
\t\t\t\tcase ‘*’:
\t\t\t\t\ttempNum[0]=tempNum[0]*tempNum[k];
\t\t\t\t\tbreak;
\t\t\t\tcase ‘\/’:
\t\t\t\t\ttempNum[0]=tempNum[0]\/tempNum[k];
\t\t\t\t\tbreak;
\t\t\t\tcase ‘\\\\’:
\t\t\t\t\ttempNum[0]=tempNum[k]\/tempNum[0];
\t\t\t\t\tbreak;
\t\t\t\t}
\t\t\t\tk++;
\t\t\t}<\/p>\n

\t\t\t\/\/\u4fdd\u5b58\u7ed3\u679c
\t\t\tif(k==4&&fabs(tempNum[0]-RESULT)\t\t\t\titoa(com[i][0],buffer,10);
\t\t\t\texpression=buffer;
\t\t\t\tfor(int t=0;t<3;t++){\t\t\t\t
\t\t\t\t\titoa(com[i][t+1],buffer,10);
\t\t\t\t\texpb=buffer;
\t\t\t\t\tswitch(opArray[j][t]){
\t\t\t\t\tcase ‘|’:
\t\t\t\t\t\texpression='(‘+expb+’-‘+expression+’)’;
\t\t\t\t\t\tbreak;
\t\t\t\t\tcase ‘\\\\’:
\t\t\t\t\t\texpression='(‘+expb+’\/’+expression+’)’;
\t\t\t\t\t\tbreak;
\t\t\t\t\tdefault :
\t\t\t\t\t\texpression='(‘+expression+opArray[j][t]+expb+’)’;
\t\t\t\t\t\tbreak;
\t\t\t\t\t}
\t\t\t\t}
\t\t\t\tcout << expression << endl;
\t\t\t}
\t\t}
\t}
}<\/p>\n<\/blockquote>\n

\u7cfb\u5217\u6587\u7ae0\uff1a
24\u70b9\u7684\u4e09\u79cd\u7b97\u6cd5\u601d\u8def\u53ca\u4ee3\u7801(1)<\/a>
24\u70b9\u7684\u4e09\u79cd\u7b97\u6cd5\u601d\u8def\u53ca\u4ee3\u7801(2)<\/a>
24\u70b9\u7684\u4e09\u79cd\u7b97\u6cd5\u601d\u8def\u53ca\u4ee3\u7801(3)<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"

\u6b64\u6587\u6240\u8d34\u4ee3\u7801\u5747\u4e3a\u9762\u5411\u8fc7\u7a0b\u7684C(++)\u4ee3\u7801\uff0c\u5728VC6\u4e0b\u7f16\u8bd1\u901a\u8fc7\u3002 \u7b2c\u4e00\u79cd\u601d\u8def\uff1a\u628a\u591a\u5143\u8fd0\u7b97\u8f6c\u5316\u4e3a\u4e24\u5143\u8fd0\u7b97\uff0c\u5148\u4ece\u56db\u4e2a\u6570\u4e2d\u53d6\u51fa\u4e24\u4e2a\u6570\u8fdb\u884c\u8fd0\u7b97\uff0c\u7136\u540e\u628a\u8fd0\u7b97\u7ed3\u679c\u548c\u7b2c\u4e09\u4e2a\u6570\u8fdb\u884c\u8fd0\u7b97\uff0c\u518d\u628a\u7ed3\u679c\u4e0e\u7b2c\u56db\u4e2a\u6570\u8fdb\u884c\u8fd0\u7b97\u3002\u5728\u6c42\u8868\u8fbe\u5f0f\u7684\u8fc7\u7a0b\u4e2d\uff0c\u6700\u96be\u5904\u7406\u7684\u5c31\u662f\u5bf9\u62ec\u53f7\u7684\u5904\u7406\uff0c\u800c\u8fd9\u79cd\u601d\u8def\u5f88\u597d\u7684\u907f\u514d\u4e86\u5bf9\u62ec\u53f7\u7684\u5904\u7406\u3002\u57fa\u4e8e\u8fd9\u79cd\u601d\u8def\u6709\u4e24\u79cd\u7b97\u6cd5\uff1a \u7b2c\u4e8c\u79cd\u7b97\u6cd5\uff08\u6b64\u7b97\u6cd5\u601d\u60f3\u53c2\u8003\u4e86CSDN(penguinMII)–\u4f01\u9e45\u7684\u7b97\u6cd5\u601d\u60f3\uff09\uff1a\u53ef\u4ee5\u5bfb\u627e\u6240\u6709\u8868\u8fbe\u5f0f\u7684\u89c4\u5f8b\uff0c\u5f97\u51fa\u5982\u4e0b\u7ed3\u8bba\uff1a\u628a\u8868\u8fbe\u5f0f\u770b\u6210\u4e00\u4e2a\u51fd\u6570F(A,B,C,D)=24\uff0c\u53ef\u5206\u4e24\u79cd\u60c5\u51b5F=(((A,B),C),D)\u548cF=((A,B),(C,D))\uff0c\u5bf9\u5176\u5206\u522b\u8ba1\u7b97\u5373\u53ef\u5f97\u5230\u7b54\u6848\uff0c\u7b97\u6cd5\u8fc7\u7a0b\u5982\u4e0b\uff1a1)\u5148\u5bf9\u7b2c\u4e00\u4e2a\u6570\u548c\u7b2c\u4e8c\u4e2a\u6570\u8fdb\u884c\u8ba1\u7b97\uff0c\u5e76\u4fdd\u5b58\u7ed3\u679c\u548c\u8868\u8fbe\u5f0f\uff1b2)\u5bf9\u4e0a\u8ff0\u7ed3\u679c\u4e0e\u7b2c\u4e09\u4e2a\u6570\u8fdb\u884c\u8ba1\u7b97\uff0c\u5e76\u4fdd\u5b58\u7ed3\u679c\u548c\u8868\u8fbe\u5f0f\uff1b3)\u5bf9\u4e0a\u8ff0\u7ed3\u679c\u4e0e\u7b2c\u56db\u4e2a\u4e2a\u6570\u8fdb\u884c\u8ba1\u7b97\uff0c\u5e76\u4fdd\u5b58\u7ed3\u679c\u548c\u8868\u8fbe\u5f0f\uff1b4)\u5224\u65ad\u7ed3\u679c\uff0c\u5e76\u8f93\u51fa\u7ed3\u679c\uff1b5)\u5bf9\u7b2c\u4e09\u4e2a\u6570\u548c\u7b2c\u56db\u4e2a\u6570\u8fdb\u884c\u8ba1\u7b97\uff0c\u5e76\u4fdd\u5b58\u7ed3\u679c\u548c\u8868\u8fbe\u5f0f\uff1b6)\u5bf9\u7b2c\u4e00\u4e2a\u6570\u4e0e\u7b2c\u4e8c\u4e2a\u6570\u7684\u7ed3\u679c\u548c\u7b2c\u4e09\u4e2a\u6570\u4e0e\u7b2c\u56db\u4e2a\u6570\u7684\u7ed3\u679c\u8fdb\u884c\u8ba1\u7b97\uff0c\u5e76\u4fdd\u5b58\u7ed3\u679c\u548c\u8868\u8fbe\u5f0f\uff1b7)\u5224\u65ad\u7ed3\u679c\uff0c\u5e76\u8f93\u51fa\u7ed3\u679c\uff1b\u5728\u8fd9\u79cd\u7b97\u6cd5\u4e2d\u9700\u8981\u5bf9\u6240\u6709\u6570\u636e\u8fdb\u884c\u6392\u5217\u7ec4\u5408\uff0c\u5bf9\u6240\u6709\u7ec4\u5408\u8fdb\u884c\u4e0a\u8ff0\u8fd0\u7b97\u8fc7\u7a0b\u3002 \u8bf4\u660e\uff1a’-‘\u548c’\/’\u6709\u4e24\u79cd\u60c5\u51b5\uff0c’a-b’\u7528’a-b’\u8868\u793a,’b-a’\u7528’a|b’\u8868\u793a\uff0c’a\/b’\u7528’a\/b’\u8868\u793a\uff0c’b\/a’\u7528’a\\b’\u8868\u793a\uff0c’\\’\u662f\u8f6c\u4e49\u5b57\u7b26\uff0c\u8981\u7528’\\\\’\u8868\u793a\u3002 \u7a0b\u5e8f\u4ee3\u7801\u5982\u4e0b\uff1a \/********************************\/\/* fdream.net *\/\/* Author:Fdream *\/\/* \u5f15\u7528\u6b64\u7b97\u6cd5\u8bf7\u4fdd\u7559\u6b64\u4fe1\u606f *\/\/********************************\/ #include #include #include using namespace std; const double PE=1E-6;const int RESULT = 24; void main(void){ int com[24][4]={0}; int number[4]={0}; int f,i,j,m,n,k=0,flag=0,s=0,comNum=0; char buffer[20]; string expa,expb,expression; \/\/\u8f93\u5165\u6570\u636e for(i=0;i> number[i]; \/\/\u751f\u6210\u6570\u636e\u7684\u6392\u5217\u7ec4\u5408 for(i=0;i<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[212,211],"class_list":["post-354","post","type-post","status-publish","format-standard","hentry","category-coding","tag-212","tag-211"],"views":28639,"_links":{"self":[{"href":"https:\/\/fdream.net\/blog\/wp-json\/wp\/v2\/posts\/354","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/fdream.net\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/fdream.net\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/fdream.net\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/fdream.net\/blog\/wp-json\/wp\/v2\/comments?post=354"}],"version-history":[{"count":0,"href":"https:\/\/fdream.net\/blog\/wp-json\/wp\/v2\/posts\/354\/revisions"}],"wp:attachment":[{"href":"https:\/\/fdream.net\/blog\/wp-json\/wp\/v2\/media?parent=354"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fdream.net\/blog\/wp-json\/wp\/v2\/categories?post=354"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fdream.net\/blog\/wp-json\/wp\/v2\/tags?post=354"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}