#include<stdlib.h>#include<stdio.h>#include<conio.h>
void main(){int a[10],b[10],d[10],c[10],num=0,result,add=0;float val;char fa[5]={'+','-','*','/'};while(1){d[num]=abs(rand())%4;while(1){c[num]=-1;a[num]=abs(rand())0;b[num]=abs(rand())0;if(d[num]==0) c[num]=a[num]+b[num];else if(d[num]==1) c[num]=a[num]-b[num];else if(d[num]==2) c[num]=a[num]*b[num];else if(d[num]==3) {if(b[num]>0)val=1.0*a[num]/b[num];}if(d[num]<=2){ if(c[num]>=0 && c[num]<=100) break;}else{ if(a[num]==int(val)*b[num]){c[num]=val; break;}}}num++;if(num==10) break;}/* 回答 */num=0;while(1){printf("%d %c %d= ",a[num],fa[d[num]],b[num]);scanf("%d",&result);if(result==c[num]){printf("回答正确!\n");add+=10;}elseprintf("错误,正确答案: %d\n",c[num]);num++;if(num==10) break;}printf("\n得分:%d\n",add);getch();}
转载于:https://www.cnblogs.com/ljw199106m/p/9886034.html
