[Algorithm] 백준알고리즘_2007

2007

1. Question

1) 2007/01/01 is Monday

2) 2007/x/y, What day is this?

2. Solution

package forLogic; import java.util.Scanner; /* * 2007/01/01 is Monday * 2007/x/y, What day is this? */ public class Whatday { public static void main(String[]args){ int monthsday[] = {31,28,31,30,31,30,31,31,30,31,30,31}; Scanner r = new Scanner(System.in); int month = r.nextInt(); int day = r.nextInt(); int sumday = 0; for(int i = 0; i < month - 1; i++){ sumday = sumday + monthsday[i]; } switch((sumday+day)%7){ case 1 : System.out.println("MON"); break; case 2 : System.out.println("TUE"); break; case 3 : System.out.println("WED"); break; case 4 : System.out.println("THU"); break; case 5 : System.out.println("FRI"); break; case 6 : System.out.println("SAT"); break; default: System.out.println("SUN"); break; } } }

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