#include <iostream>
using namespace std;
void numpat(int n)
{
int num = 1;
for (int i = 0; i < n; i++) {
for (int j = 0; j <= i; j++)
cout << num << " ";
num = num + 1;
cout << endl;
}
}
int main()
{
int n = 5;
numpat(n);
return 0;
}
I2luY2x1ZGUgPGlvc3RyZWFtPgp1c2luZyBuYW1lc3BhY2Ugc3RkOwoKdm9pZCBudW1wYXQoaW50IG4pCnsKCglpbnQgbnVtID0gMTsKCglmb3IgKGludCBpID0gMDsgaSA8IG47IGkrKykgewoKCQlmb3IgKGludCBqID0gMDsgaiA8PSBpOyBqKyspCgkJCWNvdXQgPDwgbnVtIDw8ICIgIjsKCgkJbnVtID0gbnVtICsgMTsKCgkJY291dCA8PCBlbmRsOwoJfQp9CgppbnQgbWFpbigpCnsKCWludCBuID0gNTsKCgludW1wYXQobik7CglyZXR1cm4gMDsKfQoK