假设今天是星期日,编写一个程序,求123456天后是星期几 #include<stdio.h> Main ( ) { Int n=123456; n=n%7 printf=(“\n星期”); switch(n) { case 0: printf("星期日"); break; case 1: printf("星期一)"; break; case 2: printf("星期二"); break; case 3: printf("星期三"); break; case 4: printf("星期四"); break; case 5: printf("星期五"); break; case 6: printf("星期六"); break; } Printf(“\n\n”); }