Question

编制一个程序,完成100以内的整数加减法自动出题和评分系统.

Answer 1

#include

#include

#include

int a[10]={0},len=0;

int produce_question(){

x05int x,y,z;

x05srand((unsigned)time(NULL));

x05while(1){

x05x05x = rand()%100+1;

x05x05y = rand()%100+1;

x05x05z = rand()%2;

x05x05if(z == 0){

x05x05x05printf("%d + %d =",x,y);

x05x05x05return x+y;

x05x05}else{

x05x05x05if(x>=y){

x05x05x05x05printf("%d - %d =",x,y);

x05x05x05x05return x-y;

x05x05x05}

x05x05}

x05}

}

int judge(int n){

x05int x;

x05scanf("%d",&x);

x05if(n==x){

x05x05printf("Correct!n");

x05x05return 1;

x05}

x05else {

x05x05printf("The right answer is :%dn",n);

x05x05return 0;

x05}

}

int main()

{

x05 int temp,res;

x05 while(1){

x05x05 while(len