#include<bits/stdc++.h>
using namespace std;
int main() {
freopen("p1047.in","r",stdin);
freopen("p1047.out","w",stdout);
int n;
cin >> n;
for (int i = 1; i <= n; i++) {
int num = i;
for (int j = 1; j <= i; j++) {
cout << num;
if (j < i) cout << " ";
num += n - j;
}
cout << endl;
}
fclose(stdin);
fclose(stdout);
return 0;
}
(问AI的,本人运行过,无误,但不敢保证是对的)
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