P1验证性内容

#include<stdio.h>

int main()

{

printf("201983270555");

return 0;

}

#include<stdio.h>

int main ()

{

printf("---·---·---")；

return 0;

}

#include<stdio.h>

int product (int,int );

int main (void)

{

int x,y,s;

scanf("%d %d",&x,&y);

s=product(x,y);

printf("The mul is:%d",s);

return 0;

}

int product (int a,int b)

{

int mul;

mul=a*b;

return mul;

}

#include<stdio.h>

int main ()

{

     int a=5,b=7,c=100,d,e,f;

     d=a/b*c;

    e=a*c/b;

    f=c/b*a;

    printf("d=%d,e=%d,f=%d\n",d,e,f);

    return 0;

}

#include<stdio.h>

int main(）

{

int a=5,b=8;

printf("a++=%d\n",a++);

printf("a=%d\n",a);

printf("++b=%d\n",++b);

printf("b=%d\n",b);

return 0;

}

#include<stdio.h>

int main()

{

int a=5,b=8,c=8;

printf("%d,%d,%d,%d\n",a==b&&a==c,a!=b&&a!=c,a>=b&&a>=c,a<=b&&a<=c);

printf("%d,%d\n",a<=b||a>=c,a==b||b==c);

printf("%d,%d,%d,%d\n",!(a==b),!(a>=b),!(a>=c),!(a<=b));

return 0;

}