| 13 | return cnt; |
| 14 | } |
| 15 | ll floor_sum_slow(ll n, ll a, ll b, ll c) { |
| 16 | if (c < 0) return 0; |
| 17 | ll cnt = 0; |
| 18 | for (ll x = 0; x <= n; x++) { |
| 19 | cnt += (c-a*x) / b + 1; |
| 20 | } |
| 21 | return cnt; |
| 22 | } |
| 23 | void test() { |
| 24 | rep(n,0,100) { |
| 25 | rep(a,1,100) rep(b,1,100) { |