Master ()

{int i，j，n，m；

scanf("%d %d "，& ampn & amp； m)； //n is the day of the week and m is the number of days.

printf(" 7 1 2 3 4 5 6 \ n ")； //The first line outputs the marked week like a calendar.

for(I = 1； I & lt=(n% 7)；); I++) // Fill in the space before the first row of data.

printf(" ")；

for(I = 1； I<= m；; i++)

{//This loop is used to output every item of the calendar.

printf("%2d "，I)；

If((i+n)%7==0)// decides whether to wrap a line.

printf(" \ n ")；

}

}