杨辉三角形

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#include<iostream>
using namespace std;
int s[25][25];
int main()
{int n;cin >> n;for (int i = 1; i <= n; i++){for (int j = 1; j <= i; j++){if (j == 1||j==i){s[i][j] = 1;cout << s[i][j] << " ";}else{s[i][j] = s[i - 1][j - 1] + s[i - 1][j];cout << s[i][j] << " ";}}cout << endl;}return 0;
}