注意

• 去重
• 末尾沒有多余空格
• 輸入不超過6

代碼

#include <iostream>
using namespace std;
int a;
void print(int arr[]){
    bool tag = false;
    for(int i = 0; i < 3; i++){
        for(int j = 0; j < 3; j++){
            if(i==j) continue;
            if(!tag){
                printf("%d", a*100+arr[i]*10+arr[j]);
                tag = true;
            }else{
                printf(" %d", a*100+arr[i]*10+arr[j]);
            }
            
        }
        if(i ==2) printf("\n");
    }
}
int main(){
    
    scanf("%d", &a);
    int arr[3] = {a+1, a+2, a+3};
    print(arr);
    a++;
    arr[0] = a - 1;
    arr[1] = a + 1;
    arr[2] = a + 2;
    print(arr);
    a++;
    arr[0] = a - 2;
    arr[1] = a - 1;
    arr[2] = a + 1;
    print(arr);
    a++;
    arr[0] = a - 3;
    arr[1] = a - 2;
    arr[2] = a - 1;
    print(arr);
    return 0;
}