#include <stdio.h>
#define N 12
long combi(int n, int r){ int i;
long p = 1;
for(i = 1; i <= r; i++)
p = p * (n-i+1) / i; return p;
}
void paint() {
int n, r, t;
for(n = 0; n <= N; n++) { for(r = 0; r <= n; r++) {
int i;/* 排版设定开始 */ if(r == 0) {
for(i = 0; i <= (N-n); i++)
printf(" ");
}else {
printf(" ");
} /* 排版设定结束 */ printf("%3d", combi(n, r));
}
printf("\n");
}
}