实验一

#include <stdio.h> #include <stdlib.h>  typedef struct{  int shi;  int xu;  int id;  } Xushu,*Xu_shu;

 typedef struct{  int length;  Xu_shu element;  } List;

 void shengcheng(List *list,int i,int o,int p){  list->element[i-1].shi=o;  list->element[i-1].xu=p;  list->element[i-1].id=i;  }

 Xushu qiuhe(List *list,int a,int b){  Xushu jieguo;  jieguo.shi=list->element[a-1].shi+list->element[b-1].shi;  jieguo.xu=list->element[a-1].xu+list->element[b-1].xu;  jieguo.id=-1;  return jieguo;  }

    Xushu qiucha(List *list,int a,int b){  Xushu jieguo;  jieguo.shi=list->element[a-1].shi-list->element[b-1].shi;  jieguo.xu=list->element[a-1].xu-list->element[b-1].xu;  jieguo.id=-1;  return jieguo;  }

    Xushu qiuji(List *list,int a,int b){  Xushu jieguo;  jieguo.shi=list->element[a-1].shi*list->element[b-1].shi-list->element[a-1].xu*list->element[b-1].xu;  jieguo.xu=list->element[a-1].shi*list->element[b-1].xu+list->element[a-1].xu*list->element[b-1].shi;  jieguo.id=-1;  return jieguo;  }

 int getshi(List *list,int a){  int w;  w=list->element[a-1].shi;  return w;  }

 int getxu(List *list,int a){  int w;  w=list->element[a-1].xu;  return w;  }

int main(){   int n,o,p,q,r,s,t;   printf("please inuput the length of list of imaginary number: ");   scanf("%d",&n);   List *list=(List *)malloc(sizeof(List));   list->length=n;   list->element=(Xushu *)malloc(sizeof(Xushu)*n);   for(int i=1;i<=n;i++){     printf("please input real part and imaginary part of %dst imaginary number ",i);     scanf("%d%d",&o,&p);  shengcheng(list,i,o,p);   } jumpto:  printf("The operations:1.addition  2.subtraction  3.multiplication 4.get real part  5.get imaginary part ");

  printf("please input the next operation: ");   scanf("%d",&q);   if(q==1){    printf("please input two ids of imaginary numbers ");   scanf("%d%d",&r,&s);     printf("the result is %d+(%d)i ",qiuhe(list,r,s).shi,qiuhe(list,r,s).xu);   }   if(q==2){     printf("please input two ids of imaginary numbers ");  scanf("%d%d",&r,&s);     printf("the result is %d+(%d)i ",qiucha(list,r,s).shi,qiucha(list,r,s).xu);   }     if(q==3){     printf("please input two ids of imaginary numbers ");  scanf("%d%d",&r,&s);     printf("the result is %d+(%d)i ",qiuji(list,r,s).shi,qiuji(list,r,s).xu);   }     if(q==4){  printf("please input the id of imaginary number ");  scanf("%d",&r);     printf("the result is %d ",getshi(list,r));  }  if(q==5){  printf("please input the id of imaginary number ");  scanf("%d",&r);     printf("the result is %d ",getxu(list,r));  }  printf("whether to continue? please input 1 or 0 ");  scanf("%d",&t);  if(t==1){   goto jumpto;  }

return 0; }