#include<stdio.h>

int n;
int d[100][100]={0,};

int input()
{
	FILE *ifp=fopen("input.txt","r");
	fscanf(ifp,"%d",&n);
	fclose(ifp);

	return-1;
}

int output()
{
	FILE *ofp=fopen("output.txt", "w");
	int cnt=0, i, j;

	for(i=n; i>=1; i--){
		for(j=1; j<=i; j++){
			d[i][j] = j;
		}
	}
	for(i=1; i<=n; i++){
		for(j=1; j<=n; j++){
			fprintf(ofp, "%3d", d[i][j]);
		}
		fprintf(ofp,"\n");
	}
	fclose(ofp);
	return -1;
}

int main()
{
	input();
	output();

	return -1;
}

<?php
	$i=0;
	printf("<pre>");
	for($i=$n; $i>=1; $i--){
	    for($j=1; $j<=$i; $j++){	
		printf("%2d",$j);
	    }
	    printf("<br>");
	}
	printf("<br><br></pre>");
?>