파스칼삼각형/구자겸

~cpp 
#include <stdio.h>
#define MAX 10
void main()
{
	int colum, row;			// ���과 ���
	int i,j;				// ���������
	int array[MAX][MAX];		// 배���

	scanf("%d %d",&colum,&row);

	for ( i=1;i<=colum;i++ ) {
		for ( j=1;j<=i;j++) {
			if ( j==1 || j==i ) {
				array[i-1][j-1] = 1;
				printf("%d ", array[i-1][j-1]);
			}
			else {
				array[i-1][j-1] = array[i-2][j-2]+array[i-2][j-1];
				printf("%d ", array[i-1][j-1]);
			}
		}
		puts("");
	}

	printf("%d\n", array[colum-1][row-1]);
}

~cpp 
def getrow(index):
	r = 1
	i = 0
	while (i<index):
		for j in range(r):
			i+=1
		if i>index: break
		r+=1
	return r

def getcol(index):
	first = 0
	for i in range(getrow(index)):
		first += i
	return index - first + 1

def getindex(row, col):
	first = 0
	for i in range(row):
		first += i
	return first + col - 1

def pascal(maxrow):
	arr = [ 0 for x in range(maxrow) for y in range(x+1) ]
	for i in range(len(arr)):
		if ( getcol(i)==1 ): arr[i] = 1
		elif ( getcol(i)==getrow(i) ): arr[i] = 1
		else:
			a = arr[getindex(getrow(i)-1,getcol(i)-1)]
			b = arr[getindex(getrow(i)-1,getcol(i))]
			arr[i] = a+b
	stair = 1
	print ' '*(maxrow-stair),
	for i in range(len(arr)):
		print arr[i],
		if ( getcol(i)==getrow(i) ):
			stair+=1; print ''; print ' '*(maxrow-stair),

import sys
pascal(int(sys.argv[1:][0]))

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