C++ Calculate Pascal Triangle
Calculate Pascal Triangle with two one dementional arrays.
#include <stdio.h>
// Calculate Pascal Triangel with two one dementional arrays
#define LineNum 7
void main(){
int arr1[LineNum+1] , arr2[LineNum+1] , i=1 , j=1 ;
arr1[0]=arr2[0]=0;
arr1[1]=1;
if (LineNum==1) printf(" 1 \n");
if (LineNum>1) {
for (i=1 ; i<=LineNum ; i++) {
arr2[i]=1;
for (j=1 ; j<i ; j++) arr2[j] = arr1[j-1]+arr1[j];
for (j=1;j<=i;j++){
printf("%4d ",arr2[j]);
arr1[j] = arr2[j] ;
}
printf("\n");
}
}
}