#include <iostream>
using namespace std;
int main()
{
int a[100][100] = { 0 };
int i, j, n;
//cout << "请输入行数:" << endl;
cin >> n;
for (i = 0; i < n; i++) {
for(j = 0; j <= i; j++) {
if (j < 1) a[i][j] = 1;
else if (i == 0) break;
else a[i][j] = a[i - 1][j - 1] + a[i - 1][j];
}
}
for (i = 0; i < n; i++) {
for (j = 0; j <= i; j++)
cout << " " << a[i][j];
cout << endl;
}
return 0;
}
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