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C Program To Calculate Pascal Triangle

#include #include void main() { int a[10][10]; int i,j,c,n,s; clrscr(); printf("\nEnter how many lines do you want"); scanf("%d",&n); a[1][1]=1; printf("\n%5d",a[1][1]); a[2][1]=1;a[2][2]=2;a[2][3]=1; printf("\n%3d %d %d",a[2][1],a[2][2],a[2][3]); for(i=3;i<=n;i++) { a[i][1]=1; printf("\n%d ",a[i][1]); j=2;c=3; while(j<=i) { a[i][j]=a[i-1][c-1]+a[i-1][c-2]; printf("%d ",a[i][j]); c=c+1; j=j+1; } a[i][j]=1; printf("\n%d",a[i][j]); } }

Sample Output :

Enter how many lines do you want6

            1
        1 2 1
       1 3 3 1
      1 4 6 4 1
    1 5 10 10 5 1
 1 6 15 20 15 6 1

 
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