【白书】第一章实验B&C

实验B 1-4

#include <stdio.h>int main(){    int i = 3;    int a = 0,b = 0;    char c = ' ';    while(i--)    {        scanf ("%d %d",&a,&b);        printf ("%d %d\n",a,b);    }    i = 3;    while (i--)    {        scanf ("%d %c",&a,&c);        printf ("%d %c\n",a,c);    }    return 0;}

实验C 1-4

#include <stdio.h>int main(){    printf ("%d %d\n",1 + 2,3 + 4);    printf ("%%d\n");    printf ("\\n\n");    return 0;}