C语言编写程序,计算n天之后为星期几,假设今天星期六?答:代码文本:include "stdio.h"int main(int argc,char *argv[]){ int n;char w[7][10]={"Sunday","Monday","Tuesday","Wednesday","Thursday","Friday","Saturday"};printf("Enter n(int 0<=n)...\nn=");if(scanf("%d",&n)!=1 || n<0){ printf("Input error, exit...\n...