输出一个杨辉三角:
#define _CRT_SECURE_NO_WARNINGS 1
#include<stdio.h>
#include <stdlib.h>
#define n 10
int main()
{
int i = 0;
int j = 0;
int a[n][n];
for (i = 0; i < n; i++)
{
a[i][0] = 1;
a[i][i] = 1;
}
for (i = 2; i < n; i++)
{
for (j = 1; j < i; j++)
{
a[i][j] = a[i - 1][j - 1] + a[i - 1][j];
}
}
for (i = 0; i < n; i++)
{
for (j = 0; j < (2 * n - 2 * i); j++)
{
printf(" ");
}
for (j = 0; j <= i; j++)
{
printf("%4d", a[i][j]);
}
printf("\n");
}
system("pause");
return 0;
}