Calculate Pascal Triangle with NxN array size.
#include <stdio.h>
// Calculate Pascal Triangel with NxN array size
#define LineNum 11 // the number of line in the array ( N )
void main(){
int pascalArr[LineNum+1][LineNum+1];
int i=1 , j=1 ;
pascalArr[1][1]=1;
for (i=1 ; i<=LineNum ; i++) {
pascalArr[i][1]=pascalArr[i][i]=1;
for (j=2 ; j<i ; j++) pascalArr[i][j] = pascalArr[i-1][j-1]+pascalArr[i-1][j];
}
for (i=1;i<=LineNum;i++){ // print the output
for (j=1;j<=i;j++) printf(" %3d ",pascalArr[i][j]);
printf("\n");
}
}