改卷的.cpp

杨辉三角,用C语言将杨辉三角输出!!1可以查看12行中的任何一个数值

#include"stdio.h"
int  sum(int a,int b)  { int s;s=a+b;return(s);}
int  sub(int a,int b)  {int s;s=a-b;return(s);}
int  mul(int a,int b)  {int s;s=a*b;return(s);}
int  divi(int a,int b) {int s;s=a/b;return(s);}
  main()
  {
  int x,y,j,k,n,m,z; char i; n=0;m=0;
  for(z=1;z<=3;z++)
  { printf("第%d题",z);
  scanf ("%d%d%c",&x,&y,&i);
  i=getchar();
 switch(i)
 {case '+':k=sum(x,y);break;
  case'-':k=sub(x,y);break;
  case'*':k=mul(x,y);break;
  case'/':k=divi(x,y);}
  printf("输入结果");
  scanf("%d",&j);
  if (k==j)
   n++,printf("第%d题对\n",z);
   else m++,printf("第%d题错\n",z);
  }
  printf("%d\n%d\n",n,m);
  }