#include <queue>
#include <math.h>
#include <stack>
#include <vector>
#include <stdio.h>
#include <iostream>
#include <vector>
#include <iomanip>
#include <string.h>
#include<cstring>
#include <algorithm>
#define LL long long
const int N=1e2+10;
const int INF = 0x3f3f3f3f;
using namespace std;
int n,i,j,a[N][N];
int main(int argc,char const*argv[]) {
	cin>>n;
	int s=1;
	int k=n;
	i=n-1;
	j=0;
	int s1=0,s2;
	while(k){ 
		k--; 
		while(i<=n-1){
			a[i][j]=s;
			s1=i;
			i++,j++;
			s++; 
		}	
		i=k; 
		i--;
		j=0;
	} 
	for(i=0;i<n;i++){ 
		for(j=0;j<n;j++){
			if(a[i][j]!=0){
				printf("%4d",a[i][j]); 
			}
		} 
		printf("\n"); 
	}
	return 0;
}

其他题解好像都在Ctrl大佬的呀（除某V10dalao）bushi我