1 //最终版
  2 #include <iostream>
  3 #include <cmath>
  4 using namespace std;
  5 double ans2(char* c)
  6 {
  7     double a,b;
  8     double sum;
  9     char t;
 10     a=c[2]-48;b=c[4]-48;
 11     t=c[3];
 12 //    cout<<"a: "<<a<<"b: "<<b<<"t: "<<t<<endl;
 13     if(t=='+')
 14        {sum=a+b;}
 15     if(t=='-')
 16         {sum=a-b;}
 17     if(t=='*')
 18         {sum=a*b;}
 19     if(t=='/')
 20         {sum=a/b;}
 21     //cout<<sum<<endl;
 22     a=sum;b=c[7]-48;
 23     t=c[6];
 24 //     cout<<"a: "<<a<<"b: "<<b<<"t: "<<t<<endl;
 25     if(t=='+')
 26        {sum=a+b;}
 27     if(t=='-')
 28         {sum=a-b;}
 29     if(t=='*')
 30         {sum=a*b;}
 31     if(t=='/')
 32         {sum=a/b;}
 33     a=sum;b=c[10]-48;
 34     t=c[9];
 35  //    cout<<"a: "<<a<<"b: "<<b<<"t: "<<t<<endl;
 36     if(t=='+')
 37        {sum=a+b;}
 38     if(t=='-')
 39         {sum=a-b;}
 40     if(t=='*')
 41         {sum=a*b;}
 42     if(t=='/')
 43         {sum=a/b;}
 44     return sum;
 45 }
 46 double ans3(char* c)
 47 {
 48     char t;
 49     double a,b;
 50     double sum1=0,sum2=0,sum=0;
 51     a=c[1]-48;  b=c[3]-48; t=c[2];
 52     if(t=='+')
 53        {sum1=a+b;}
 54     if(t=='-')
 55         {sum1=a-b;}
 56     if(t=='*')
 57         {sum1=a*b;}
 58     if(t=='/')
 59         {sum1=a/b;}
 60     a=c[7]-48; b=c[9]-48; t=c[8];
 61     if(t=='+')
 62        {sum2=a+b;}
 63     if(t=='-')
 64         {sum2=a-b;}
 65     if(t=='*')
 66         {sum2=a*b;}
 67     if(t=='/')
 68         {sum2=a/b;}
 69     a=sum1; b=sum2;  t=c[5];
 70     if(t=='+')
 71        {sum=a+b;}
 72     if(t=='-')
 73         {sum=a-b;}
 74     if(t=='*')
 75         {sum=a*b;}
 76     if(t=='/')
 77         {sum=a/b;}
 78     return sum;
 79 }
 80 double ans4(char* c)
 81 {
 82     char t;
 83     double a,b;
 84     double sum1=0,sum2=0,sum=0;
 85     a=c[4]-48;  b=c[6]-48; t=c[5];
 86     if(t=='+')
 87        {sum1=a+b;}
 88     if(t=='-')
 89         {sum1=a-b;}
 90     if(t=='*')
 91         {sum1=a*b;}
 92     if(t=='/')
 93         {sum1=a/b;}
 94     a=c[1]-48; b=sum1; t=c[2];
 95     if(t=='+')
 96        {sum2=a+b;}
 97     if(t=='-')
 98         {sum2=a-b;}
 99     if(t=='*')
100         {sum2=a*b;}
101     if(t=='/')
102         {sum2=a/b;}
103     a=sum2; b=c[10]-48;  t=c[9];
104     if(t=='+')
105        {sum=a+b;}
106     if(t=='-')
107         {sum=a-b;}
108     if(t=='*')
109         {sum=a*b;}
110     if(t=='/')
111         {sum=a/b;}
112     return sum;
113 }
114 double ans5(char* c)
115 {
116     char t;
117     double a,b;
118     double sum1=0,sum2=0,sum=0;
119     a=c[4]-48;  b=c[6]-48; t=c[5];
120     if(t=='+')
121        {sum1=a+b;}
122     if(t=='-')
123         {sum1=a-b;}
124     if(t=='*')
125         {sum1=a*b;}
126     if(t=='/')
127         {sum1=a/b;}
128     a=sum1; b=c[9]-48; t=c[8];
129     if(t=='+')
130        {sum2=a+b;}
131     if(t=='-')
132         {sum2=a-b;}
133     if(t=='*')
134         {sum2=a*b;}
135     if(t=='/')
136         {sum2=a/b;}
137     a=c[0]-48; b=sum2;  t=c[1];
138     if(t=='+')
139        {sum=a+b;}
140     if(t=='-')
141         {sum=a-b;}
142     if(t=='*')
143         {sum=a*b;}
144     if(t=='/')
145         {sum=a/b;}
146     return sum;
147 }
148 double ans6(char* c)
149 {
150     char t;
151     double a,b;
152     double sum1=0,sum2=0,sum=0;
153     a=c[6]-48;  b=c[8]-48; t=c[7];
154     if(t=='+')
155        {sum1=a+b;}
156     if(t=='-')
157         {sum1=a-b;}
158     if(t=='*')
159         {sum1=a*b;}
160     if(t=='/')
161         {sum1=a/b;}
162     a=c[3]-48; b=sum1; t=c[4];
163     if(t=='+')
164        {sum2=a+b;}
165     if(t=='-')
166         {sum2=a-b;}
167     if(t=='*')
168         {sum2=a*b;}
169     if(t=='/')
170         {sum2=a/b;}
171     a=c[0]-48; b=sum2;  t=c[1];
172     if(t=='+')
173        {sum=a+b;}
174     if(t=='-')
175         {sum=a-b;}
176     if(t=='*')
177         {sum=a*b;}
178     if(t=='/')
179         {sum=a/b;}
180     return sum;
181 }
182 void fkind(char* a,int n,int i,char* t,char *p)
183 {
184     static int tot=0;
185     if(i==n)
186     {
187         for(int j=0;j<n;j++)
188            {
189               // cout<<t[j]<<" ";
190                p[tot++]=t[j];
191            }
192     //   cout<<endl;
193    //  cout<<endl<<tot++<<endl;
194     }
195     else if(i<n)
196     {
197         for(int j=0;j<4;j++)
198         {
199             t[i]=a[j];
200             fkind(a,n,i+1,t,p);
201         }
202     }
203 }
204 void nkind(int* a,int n,int i,int* t,int *p)
205 {
206     static int tot=0;
207     if(i==n)
208     {
209         for(int j=0;j<n;j++)
210            {
211             //   cout<<t[j]<<" ";
212                p[tot++]=t[j];
213            }
214     //    cout<<endl;
215     // cout<<endl<<tot++<<endl;
216     }
217     else if(i<n)
218     {
219         for(int j=0;j<4;j++)
220         {
221             if(a[j]!=-1)
222             {
223                t[i]=a[j];
224                int s=a[j];
225                a[j]=-1;
226                nkind(a,n,i+1,t,p);
227                a[j]=s;
228             }
229         }
230     }
231 }
232 void equation(int* a,char* b,char* c)
233 {
234     c[0]=c[1]='(';
235     c[5]=c[8]=')';
236     c[2]=a[0]+48;
237     c[4]=a[1]+48;
238     c[7]=a[2]+48;
239     c[10]=a[3]+48;
240     c[3]=b[0];
241     c[6]=b[1];
242     c[9]=b[2];
243     c[11]='\0';
244 }
245 void equation3(int* a,char* b,char* c)
246 {
247     c[0]=c[6]='(';
248     c[4]=c[10]=')';
249     c[1]=a[0]+48;
250     c[3]=a[1]+48;
251     c[7]=a[2]+48;
252     c[9]=a[3]+48;
253     c[2]=b[0];
254     c[5]=b[1];
255     c[8]=b[2];
256     c[11]='\0';
257 }
258 void equation4(int* a,char* b,char* c)
259 {
260     c[0]=c[3]='(';
261     c[8]=c[7]=')';
262     c[1]=a[0]+48;
263     c[4]=a[1]+48;
264     c[6]=a[2]+48;
265     c[10]=a[3]+48;
266     c[2]=b[0];
267     c[5]=b[1];
268     c[9]=b[2];
269     c[11]='\0';
270 }
271 void equation5(int* a,char* b,char* c)
272 {
273     c[2]=c[3]='(';
274     c[10]=c[7]=')';
275     c[0]=a[0]+48;
276     c[4]=a[1]+48;
277     c[6]=a[2]+48;
278     c[9]=a[3]+48;
279     c[1]=b[0];
280     c[5]=b[1];
281     c[8]=b[2];
282     c[11]='\0';
283 }
284 void equation6(int* a,char* b,char* c)
285 {
286     c[2]=c[5]='(';
287     c[10]=c[9]=')';
288     c[0]=a[0]+48;
289     c[3]=a[1]+48;
290     c[6]=a[2]+48;
291     c[8]=a[3]+48;
292     c[1]=b[0];
293     c[4]=b[1];
294     c[7]=b[2];
295     c[11]='\0';
296 }
297 void actoa2(int* a,char (*p)[5],int *sig)
298 {
299     int i=0;
300     for(i=0;i<4;i++)
301     {
302         if(sig[i]==1)
303         {
304             if(*(p+i)[0]=='1')  a[i]=1;
305             if(*(p+i)[0]=='2')  a[i]=2;
306             if(*(p+i)[0]=='3')  a[i]=3;
307             if(*(p+i)[0]=='4')  a[i]=4;
308             if(*(p+i)[0]=='5')  a[i]=5;
 
                       
                    
                    
 
                      




鲜花




握手




雷人




路过




鸡蛋