打印杨辉三角//(ROW和COL控制一共打印几行)
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1 2 1
1 3 3 1
1 4 6 4 1…
#include<stdio.h>
#include<Windows.h>
#define ROW 10
#define COL 10
void PrintfYangHui(int a[ROW][COL])
{
int i = 0, j = 0;
a[0][0] = 1;
for (i = 1; i < ROW; i++)
{
a[i][0] = 1;
for (j = 1; j < i; j++)
{
a[i][j] = a[i - 1][j - 1] + a[i - 1][j];
}
a[i][j] = 1;
}
}
void PrintfYangHui_1(int a[ROW][COL])
{
int i = 0, j = 0;
for (i = 0; i < ROW; i++)
{
for(j=0;j<=i;j++)
{
if(i==j||j==0)
{
a[i][j]=1;
}
else
{
a[i][j] = a[i - 1][j - 1] + a[i - 1][j];
}
}
}
}
void Show(int a[ROW][COL],int row,int col)
{
int i=0;
int j=0;
for (i = 0; i < row; i++)
{
for (j = 0; j <= i; j++)
{
printf("%-3d ", a[i][j]);
}
printf("\n");
}
}
int main()
{
int arr[ROW][COL];
PrintfYangHui(arr);
Show(arr,ROW,COL);
system("pause");
return 0;
}