Yang Hui triangle Hangzhou Electric 2032

1
1 1
1 2 1
1 3 3 1
1 4 6) 4 1
1 5 10 10 5 1

Input data contains multiple test instances, and each test instance input contains only one positive integer n (1<=n<=30), representing the number of layers of the Yang Hui triangle that will be output.

Output corresponds to each input, export the Yang Hui triangle of the corresponding number of layers, separated by a space between the integers of each layer, and a blank line behind each Yang Hui triangle.

Sample Input2 3

Sample Output11 111 11 2 1

#include <stdio.h>intMain(){intN,I,J,A[ to][ to]; while(scanf("%d",&N)!=Eof) { for(I=0;I<N;I++) { for(J=0;J<=I;J++) {if(J==0||I==J)A[I][J]=1;ElseA[I][J]=A[I-1][J]+A[I-1][J-1]; } } for(I=0;I<N;I++) { for(J=0;J<=I;J++) {if(I==J)Printf("%d",A[I][J]);ElsePrintf("%d",A[I][J]); }Printf("\ n"); }Printf("\ n"); }return0;}

Yang Hui triangle Hangzhou Electric 2032