c实现任意行输出杨辉三角

#include<stdio.h>
#include<stdlib.h>
int** fmalloc(int n){
	int** array;
	int i;
	array = (int** )malloc(sizeof(int*) * n);
	for(i=0; i<n; ++i){
		array[i] = (int*)malloc(sizeof(int*) * (i+1));
	}
	return array;
}

int main()
{
	int n;
	int i,j;
	printf("请输入杨辉三角的行数：");
	scanf("%d",&n);
	int** array = fmalloc(n);
	for(i = 0; i<n; ++i){
		for(j=0; j<=i; ++j){
			if(i==0 || i==1) array[i][j]=1;
			else if(j == 0 || j==i) array[i][j] = 1;
			else
				array[i][j] = array[i-1][j-1] + array[i-1][j];
		}
	}
        for(i = 0; i<n; ++i){
		printf("\n");
                for(j=0; j<=i; ++j){
                        printf("%d\t",array[i][j]);
                }
        }
	printf("\n");

	for(i=0; i<n; ++i){
		free(array[i]);
	}
	free(array);
	return 0;
}