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摘要： /*两个整数的四则运算*/#includeint main(void){int num1,num2,h,c,j,y;/*h和，c差，j积，s商，y余数*/ double s;printf("Enter num1 and num2:");scanf("%d%d",&num1,&num2);h=num1+num2;c=num1-num2;j=num1*num2;s=num1/num2;y=num1%num2;printf("h=%d,c=%d,j=%d,s=%Lf,y=%d\n",h,c,j,s,y);return 0;} 阅读全文

摘要： /*.输入一个整数 x，计算并输出下列分段函数 sign(x) 的值*/#includeint main(void){ int x,y; printf("Enter x:"); scanf("%d",&x); if(x>0){ y=1; } else if(x==0){ y=0; } else if(xint main(void){ int count,n,i; /*count为及格人数*/ double grade,sum; printf("Enter n:"); scanf("%d",&n 阅读全文