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: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");return 0;} printf("Tod...
...我用C语言和蔡勒公式写的算某一天是星期几的程序总是不对?_百度知...答:int k,W,y,M,d,c;printf("请输入年月日,按照20 20 6 21的格式输入(示例为2020年6月21日,)程序将输出是星期几\n");scanf("%d%d%d",&c,&y,&M,&d);if(M<13&&M>0&&d<32&&d>0){ W=y+y/4+c/4-2*c+26*(M+1)/10+d-1;k=W%7;} else { printf("error!!!\n")...