import java.util.Scanner; public class Main { public static void main(String[] args) { Scanner scanner = new Scanner(System.in); while (scanner.hasNext()) { String[] split = scanner.nextLine().split(" "); Integer n1 = Integer.valueOf(split[0]); Integer n2 = Integer.valueOf(split[1]); //n1 <= n2; //1 / 2 -> 1 / 2 //2 / 4 -> 1 / 2 //3 / 6 -> 1 / 2 //4 / 6 -> 2 / 3 // 3%1 == 0 2%1 == 0 // 3/1 2/1; for (int i = n1; i > 0; i--) { if (n2 % i == 0 && n1 % i == 0) { //说明可以整除 n2 /= i; n1 /= i; } } System.out.println(n1 + "/" + n2); // 3 -> 6 6/3 = 2 3/3 = 1; // 4 -> 6 6/4 = .. 6/3 = 2 but 4/3 = ... 6/2 = 3 4/2 = 2 } } } /* Main.java:20: error: unmappable character for encoding ASCII //?????????????????? ^ Main.java:20: error: unmappable character for encoding ASCII //?????????????????? ^ Main.java:20: error: unmappable character for encoding ASCII //?????????????????? ^ Main.java:20: error: unmappable character for encoding ASCII //?????????????????? ^ Main.java:20: error: unmappable character for encoding ASCII //?????????????????? ^ Main.java:20: error: unmappable character for encoding ASCII //?????????????????? ^ Main.java:20: error: unmappable character for encoding ASCII //?????????????????? ^ Main.java:20: error: unmappable character for encoding ASCII //?????????????????? ^ Main.java:20: error: unmappable character for encoding ASCII //?????????????????? ^ Main.java:20: error: unmappable character for encoding ASCII //?????????????????? ^ Main.java:20: error: unmappable character for encoding ASCII //?????????????????? ^ Main.java:20: error: unmappable character for encoding ASCII //?????????????????? ^ Main.java:20: error: unmappable character for encoding ASCII //?????????????????? ^ Main.java:20: error: unmappable character for encoding ASCII //?????????????????? ^ Main.java:20: error: unmappable character for encoding ASCII //?????????????????? ^ Main.java:20: error: unmappable character for encoding ASCII //?????????????????? ^ Main.java:20: error: unmappable character for encoding ASCII //?????????????????? ^ Main.java:20: error: unmappable character for encoding ASCII //?????????????????? ^ 18 errors */ |
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