#include <bits/stdc++.h>
#pragma GCC Optimize("O3")
#define FOR(i, x, y) for (int i = x; i < y; i++)
#define MAXN 10000001
typedef long long ll;
using namespace std;
ll dp[MAXN], p[100001], max_divide[MAXN], to[MAXN];
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 <= MAXN; j += p[i]) max_divide[j] = p[i];
ll mn = MAXN;
for (int i = MAXN - 1; i > 0; i--) {
mn = min(mn, i + 1 - max_divide[i + 1]);
to[i] = mn;
}
FOR(i, 1, MAXN) if (to[i] == i) dp[i] = INT_MAX;
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 |
Correct |
212 ms |
235256 KB |
Output is correct |
| 2 |
Correct |
247 ms |
235128 KB |
Output is correct |
| 3 |
Correct |
233 ms |
235132 KB |
Output is correct |
| 4 |
Correct |
236 ms |
235280 KB |
Output is correct |
| 5 |
Correct |
237 ms |
235268 KB |
Output is correct |
| 6 |
Correct |
216 ms |
235208 KB |
Output is correct |
| 7 |
Correct |
233 ms |
235128 KB |
Output is correct |
| 8 |
Correct |
261 ms |
235212 KB |
Output is correct |
| 9 |
Correct |
280 ms |
235292 KB |
Output is correct |
| 10 |
Correct |
304 ms |
235256 KB |
Output is correct |
| 11 |
Correct |
288 ms |
235256 KB |
Output is correct |
| 12 |
Correct |
213 ms |
235136 KB |
Output is correct |
| 13 |
Correct |
450 ms |
235288 KB |
Output is correct |
| 14 |
Correct |
450 ms |
235276 KB |
Output is correct |
| 15 |
Correct |
259 ms |
235224 KB |
Output is correct |
| 16 |
Correct |
248 ms |
235256 KB |
Output is correct |
| 17 |
Correct |
255 ms |
235384 KB |
Output is correct |
| 18 |
Correct |
216 ms |
235256 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
251 ms |
235340 KB |
Output is correct |
| 2 |
Correct |
258 ms |
236024 KB |
Output is correct |
| 3 |
Correct |
551 ms |
235960 KB |
Output is correct |
| 4 |
Correct |
268 ms |
235408 KB |
Output is correct |
| 5 |
Correct |
393 ms |
235812 KB |
Output is correct |
| 6 |
Correct |
246 ms |
235164 KB |
Output is correct |
| 7 |
Correct |
238 ms |
235284 KB |
Output is correct |
| 8 |
Correct |
266 ms |
235356 KB |
Output is correct |
| 9 |
Correct |
433 ms |
235912 KB |
Output is correct |
| 10 |
Correct |
564 ms |
235900 KB |
Output is correct |
| 11 |
Incorrect |
515 ms |
235660 KB |
Output isn't correct |
| 12 |
Correct |
332 ms |
235256 KB |
Output is correct |
| 13 |
Correct |
225 ms |
235256 KB |
Output is correct |
| 14 |
Correct |
269 ms |
235300 KB |
Output is correct |
| 15 |
Correct |
446 ms |
235640 KB |
Output is correct |
| 16 |
Correct |
251 ms |
236068 KB |
Output is correct |
| 17 |
Correct |
465 ms |
235384 KB |
Output is correct |
| 18 |
Correct |
477 ms |
236040 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
511 ms |
235768 KB |
Output is correct |
| 2 |
Correct |
540 ms |
235640 KB |
Output is correct |
| 3 |
Correct |
621 ms |
235896 KB |
Output is correct |
| 4 |
Incorrect |
373 ms |
235768 KB |
Output isn't correct |
| 5 |
Incorrect |
292 ms |
236356 KB |
Output isn't correct |
| 6 |
Correct |
464 ms |
235768 KB |
Output is correct |
| 7 |
Correct |
403 ms |
236152 KB |
Output is correct |
| 8 |
Correct |
463 ms |
235732 KB |
Output is correct |
| 9 |
Correct |
486 ms |
235796 KB |
Output is correct |
| 10 |
Correct |
417 ms |
235384 KB |
Output is correct |
| 11 |
Incorrect |
334 ms |
235512 KB |
Output isn't correct |
| 12 |
Correct |
429 ms |
235584 KB |
Output is correct |
| 13 |
Correct |
532 ms |
236024 KB |
Output is correct |
| 14 |
Correct |
343 ms |
236024 KB |
Output is correct |
| 15 |
Incorrect |
449 ms |
235488 KB |
Output isn't correct |
| 16 |
Correct |
520 ms |
235416 KB |
Output is correct |
| 17 |
Correct |
428 ms |
235896 KB |
Output is correct |
| 18 |
Correct |
539 ms |
235768 KB |
Output is correct |
| 19 |
Incorrect |
237 ms |
235516 KB |
Output isn't correct |
| 20 |
Correct |
598 ms |
235996 KB |
Output is correct |
| 21 |
Incorrect |
389 ms |
236036 KB |
Output isn't correct |
| 22 |
Correct |
552 ms |
236380 KB |
Output is correct |
| 23 |
Correct |
299 ms |
235896 KB |
Output is correct |
| 24 |
Correct |
257 ms |
235760 KB |
Output is correct |
| 25 |
Incorrect |
395 ms |
235896 KB |
Output isn't correct |
| 26 |
Incorrect |
382 ms |
235796 KB |
Output isn't correct |
| 27 |
Correct |
588 ms |
236116 KB |
Output is correct |
| 28 |
Incorrect |
260 ms |
235764 KB |
Output isn't correct |
| 29 |
Correct |
528 ms |
236408 KB |
Output is correct |
| 30 |
Correct |
472 ms |
236024 KB |
Output is correct |
| 31 |
Correct |
303 ms |
235936 KB |
Output is correct |
| 32 |
Incorrect |
306 ms |
235868 KB |
Output isn't correct |
| 33 |
Incorrect |
240 ms |
235640 KB |
Output isn't correct |
| 34 |
Correct |
424 ms |
236360 KB |
Output is correct |
| 35 |
Incorrect |
266 ms |
235852 KB |
Output isn't correct |
| 36 |
Correct |
539 ms |
236280 KB |
Output is correct |
| 37 |
Incorrect |
297 ms |
236400 KB |
Output isn't correct |
| 38 |
Correct |
469 ms |
235768 KB |
Output is correct |
| 39 |
Incorrect |
272 ms |
235768 KB |
Output isn't correct |
| 40 |
Correct |
409 ms |
235880 KB |
Output is correct |
| 41 |
Correct |
368 ms |
236152 KB |
Output is correct |
| 42 |
Incorrect |
504 ms |
235860 KB |
Output isn't correct |
