摘要： /*.输入一个整数 x，计算并输出下列分段函数 sign(x) 的值*/#include int main(void){ int x,y; printf("Enter x:"); scanf("%d",&x); if(xint main(void){ int count,i,n; double grade,total; printf("Enter n:"); scanf("%d",&n); total=0; count=0; /*都清零*/ for(i=1;i60){ count++; ... 阅读全文

摘要： /*输入俩个整数num1 num2，计算并输出它们的和、差、积、商与余数*/#includeint main(void){ int num1,num2; double s,d,x,y,z; printf("Enter num1 and num2:\n"); scanf("%d%d",&num1,&num2); s=num1+num2; d=num1-num2; x=num1*num2; y=num1/num2; z=num1%num2; printf("s=%.2f\n",s); printf("d=%.2f 阅读全文