#include <bits/stdc++.h>
#pragma GCC Optimize("O3")
#define FOR(i, x, y) for (int i = x; i < y; i++)
using namespace std;
int dp[20000003], p[100001], max_divide[20000003], to[20000003];
int main() {
iostream::sync_with_stdio(false);
cin.tie(0);
int n, q;
cin >> n >> q;
FOR(i, 0, n) cin >> p[i];
FOR(i, 0, n) for (int j = p[i]; j <= 20000001; j += p[i]) max_divide[j] = p[i];
int mn = 20000000;
for (int i = 20000000; i > 0; i--) {
mn = min(mn, i + 1 - max_divide[i + 1]);
to[i] = mn;
}
FOR(i, 1, 20000001) if (to[i] == i) dp[i] = 987654321;
else dp[i] = dp[to[i]] + 1;
FOR(i, 0, q) {
int x;
cin >> x;
if (dp[x] >= INT_MAX)
cout << "oo\n";
else
cout << dp[x] << '\n';
}
return 0;
}
Compilation message
brunhilda.cpp:2:0: warning: ignoring #pragma GCC Optimize [-Wunknown-pragmas]
#pragma GCC Optimize("O3")
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Incorrect |
259 ms |
235356 KB |
Output isn't correct |
| 2 |
Correct |
319 ms |
235256 KB |
Output is correct |
| 3 |
Correct |
264 ms |
235256 KB |
Output is correct |
| 4 |
Correct |
246 ms |
235224 KB |
Output is correct |
| 5 |
Correct |
276 ms |
235128 KB |
Output is correct |
| 6 |
Incorrect |
240 ms |
235280 KB |
Output isn't correct |
| 7 |
Correct |
290 ms |
235256 KB |
Output is correct |
| 8 |
Correct |
280 ms |
235324 KB |
Output is correct |
| 9 |
Correct |
317 ms |
235120 KB |
Output is correct |
| 10 |
Correct |
374 ms |
235132 KB |
Output is correct |
| 11 |
Correct |
352 ms |
235220 KB |
Output is correct |
| 12 |
Correct |
241 ms |
235128 KB |
Output is correct |
| 13 |
Correct |
633 ms |
235168 KB |
Output is correct |
| 14 |
Correct |
635 ms |
235224 KB |
Output is correct |
| 15 |
Correct |
320 ms |
235128 KB |
Output is correct |
| 16 |
Correct |
297 ms |
235308 KB |
Output is correct |
| 17 |
Correct |
304 ms |
235256 KB |
Output is correct |
| 18 |
Correct |
281 ms |
235256 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
299 ms |
235244 KB |
Output is correct |
| 2 |
Correct |
354 ms |
235620 KB |
Output is correct |
| 3 |
Correct |
778 ms |
235544 KB |
Output is correct |
| 4 |
Correct |
347 ms |
235256 KB |
Output is correct |
| 5 |
Correct |
539 ms |
235512 KB |
Output is correct |
| 6 |
Correct |
299 ms |
235240 KB |
Output is correct |
| 7 |
Correct |
319 ms |
235256 KB |
Output is correct |
| 8 |
Correct |
385 ms |
235268 KB |
Output is correct |
| 9 |
Correct |
660 ms |
235512 KB |
Output is correct |
| 10 |
Correct |
784 ms |
235488 KB |
Output is correct |
| 11 |
Correct |
772 ms |
235472 KB |
Output is correct |
| 12 |
Correct |
436 ms |
235312 KB |
Output is correct |
| 13 |
Correct |
259 ms |
235320 KB |
Output is correct |
| 14 |
Correct |
380 ms |
235256 KB |
Output is correct |
| 15 |
Correct |
673 ms |
235484 KB |
Output is correct |
| 16 |
Correct |
309 ms |
235572 KB |
Output is correct |
| 17 |
Correct |
669 ms |
235232 KB |
Output is correct |
| 18 |
Correct |
632 ms |
235640 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
648 ms |
235484 KB |
Output is correct |
| 2 |
Correct |
816 ms |
235548 KB |
Output is correct |
| 3 |
Correct |
801 ms |
235544 KB |
Output is correct |
| 4 |
Correct |
499 ms |
235428 KB |
Output is correct |
| 5 |
Correct |
381 ms |
235728 KB |
Output is correct |
| 6 |
Correct |
647 ms |
235496 KB |
Output is correct |
| 7 |
Correct |
708 ms |
235732 KB |
Output is correct |
| 8 |
Correct |
703 ms |
235512 KB |
Output is correct |
| 9 |
Correct |
631 ms |
235512 KB |
Output is correct |
| 10 |
Correct |
534 ms |
235256 KB |
Output is correct |
| 11 |
Correct |
467 ms |
235264 KB |
Output is correct |
| 12 |
Correct |
617 ms |
235364 KB |
Output is correct |
| 13 |
Correct |
762 ms |
235592 KB |
Output is correct |
| 14 |
Correct |
474 ms |
235856 KB |
Output is correct |
| 15 |
Correct |
681 ms |
235380 KB |
Output is correct |
| 16 |
Correct |
772 ms |
235340 KB |
Output is correct |
| 17 |
Correct |
663 ms |
235512 KB |
Output is correct |
| 18 |
Correct |
841 ms |
235512 KB |
Output is correct |
| 19 |
Correct |
278 ms |
235316 KB |
Output is correct |
| 20 |
Correct |
827 ms |
235548 KB |
Output is correct |
| 21 |
Correct |
494 ms |
235728 KB |
Output is correct |
| 22 |
Correct |
816 ms |
235840 KB |
Output is correct |
| 23 |
Correct |
366 ms |
235544 KB |
Output is correct |
| 24 |
Correct |
297 ms |
235636 KB |
Output is correct |
| 25 |
Correct |
530 ms |
235568 KB |
Output is correct |
| 26 |
Correct |
470 ms |
235480 KB |
Output is correct |
| 27 |
Correct |
885 ms |
235768 KB |
Output is correct |
| 28 |
Correct |
336 ms |
235460 KB |
Output is correct |
| 29 |
Correct |
775 ms |
235800 KB |
Output is correct |
| 30 |
Correct |
688 ms |
235752 KB |
Output is correct |
| 31 |
Correct |
352 ms |
235448 KB |
Output is correct |
| 32 |
Correct |
385 ms |
235496 KB |
Output is correct |
| 33 |
Correct |
266 ms |
235512 KB |
Output is correct |
| 34 |
Correct |
627 ms |
235776 KB |
Output is correct |
| 35 |
Correct |
329 ms |
235652 KB |
Output is correct |
| 36 |
Correct |
806 ms |
235864 KB |
Output is correct |
| 37 |
Correct |
371 ms |
235852 KB |
Output is correct |
| 38 |
Correct |
676 ms |
235624 KB |
Output is correct |
| 39 |
Correct |
330 ms |
235640 KB |
Output is correct |
| 40 |
Correct |
585 ms |
235608 KB |
Output is correct |
| 41 |
Correct |
510 ms |
235820 KB |
Output is correct |
| 42 |
Correct |
720 ms |
235724 KB |
Output is correct |
