정보올림피아드 문제풀이
구구단2
승현0604
2023. 3. 21. 18:34
import java.util.Scanner;
public class O1341 {
public static void main(String[] args) {
Scanner sc = new Scanner(System.in);
int n = sc.nextInt();
int m = sc.nextInt();
while (true) {
if (((n < 2) || (n > 9)) || ((m < 2) || (m > 9))) {
System.out.println("INPUT ERROR!");
}
if (n > m) {
for (int i = n; i >= m; i--) {
for (int j = 1; j < 10; j++) {
if ((j != 1) && (j % 3 == 1)) {
System.out.println();
}
System.out.printf("%d * %d = %2d ", i, j, i * j);
}
System.out.println();
System.out.println();
}break;
} else {
for (int i = n; i <= m; i++) {
for (int j = 1; j < 10; j++) {
if ((j != 1) && (j % 3 == 1)) {
System.out.println();
}
System.out.printf("%d * %d = %2d ", i, j, i * j);
}
System.out.println();
System.out.println();
}break;
}
}
}
}