杨辉三角

#include<stdio.h>#include<string.h>#include<math.h>int main(){int n;while(~scanf("%d",&n)){int a[100][100] = { 0 };if (n == 0) { break; }else {//构造杨辉三角，杨辉三角具体规律自行百度for(int i=0;i<n;i++){for(int j=0;j<=i;j++){if (j < 1) { a[i][j] = 1; }//每行第一个一定是1else {a[i][j] = a[i - 1][j - 1] + a[i - 1][j];}}}//输出for(int i=0;i<n;i++){for(int j=0;j<=i;j++){if (j == 0)printf("%d", a[i][j]);//格式控制else { printf(" %d", a[i][j]); }}printf("\n");}}}return 0;}