#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 - 1;
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 |
216 ms |
235256 KB |
Output is correct |
| 2 |
Correct |
257 ms |
235156 KB |
Output is correct |
| 3 |
Correct |
236 ms |
235100 KB |
Output is correct |
| 4 |
Correct |
213 ms |
235132 KB |
Output is correct |
| 5 |
Correct |
233 ms |
235092 KB |
Output is correct |
| 6 |
Correct |
247 ms |
235216 KB |
Output is correct |
| 7 |
Correct |
236 ms |
235260 KB |
Output is correct |
| 8 |
Correct |
248 ms |
235252 KB |
Output is correct |
| 9 |
Correct |
275 ms |
235128 KB |
Output is correct |
| 10 |
Correct |
306 ms |
235256 KB |
Output is correct |
| 11 |
Correct |
289 ms |
235296 KB |
Output is correct |
| 12 |
Correct |
211 ms |
235144 KB |
Output is correct |
| 13 |
Correct |
501 ms |
235308 KB |
Output is correct |
| 14 |
Correct |
452 ms |
235224 KB |
Output is correct |
| 15 |
Correct |
262 ms |
235128 KB |
Output is correct |
| 16 |
Correct |
247 ms |
235160 KB |
Output is correct |
| 17 |
Correct |
246 ms |
235128 KB |
Output is correct |
| 18 |
Correct |
223 ms |
235208 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
237 ms |
235204 KB |
Output is correct |
| 2 |
Correct |
250 ms |
235896 KB |
Output is correct |
| 3 |
Correct |
540 ms |
235768 KB |
Output is correct |
| 4 |
Correct |
268 ms |
235336 KB |
Output is correct |
| 5 |
Correct |
390 ms |
235644 KB |
Output is correct |
| 6 |
Correct |
242 ms |
235256 KB |
Output is correct |
| 7 |
Correct |
238 ms |
235324 KB |
Output is correct |
| 8 |
Correct |
269 ms |
235128 KB |
Output is correct |
| 9 |
Correct |
432 ms |
235896 KB |
Output is correct |
| 10 |
Correct |
575 ms |
235860 KB |
Output is correct |
| 11 |
Incorrect |
592 ms |
235568 KB |
Output isn't correct |
| 12 |
Correct |
349 ms |
235256 KB |
Output is correct |
| 13 |
Correct |
225 ms |
235228 KB |
Output is correct |
| 14 |
Correct |
281 ms |
235380 KB |
Output is correct |
| 15 |
Correct |
467 ms |
235512 KB |
Output is correct |
| 16 |
Correct |
250 ms |
235896 KB |
Output is correct |
| 17 |
Correct |
461 ms |
235256 KB |
Output is correct |
| 18 |
Correct |
444 ms |
235896 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
461 ms |
235736 KB |
Output is correct |
| 2 |
Correct |
538 ms |
235632 KB |
Output is correct |
| 3 |
Correct |
547 ms |
235876 KB |
Output is correct |
| 4 |
Incorrect |
371 ms |
235500 KB |
Output isn't correct |
| 5 |
Incorrect |
292 ms |
236156 KB |
Output isn't correct |
| 6 |
Correct |
463 ms |
235516 KB |
Output is correct |
| 7 |
Correct |
399 ms |
236000 KB |
Output is correct |
| 8 |
Correct |
464 ms |
235740 KB |
Output is correct |
| 9 |
Correct |
461 ms |
235640 KB |
Output is correct |
| 10 |
Correct |
379 ms |
235256 KB |
Output is correct |
| 11 |
Incorrect |
332 ms |
235248 KB |
Output isn't correct |
| 12 |
Correct |
454 ms |
235260 KB |
Output is correct |
| 13 |
Correct |
527 ms |
235696 KB |
Output is correct |
| 14 |
Correct |
363 ms |
235820 KB |
Output is correct |
| 15 |
Incorrect |
455 ms |
235256 KB |
Output isn't correct |
| 16 |
Correct |
493 ms |
235384 KB |
Output is correct |
| 17 |
Correct |
428 ms |
235640 KB |
Output is correct |
| 18 |
Correct |
608 ms |
235628 KB |
Output is correct |
| 19 |
Incorrect |
233 ms |
235356 KB |
Output isn't correct |
| 20 |
Correct |
543 ms |
235768 KB |
Output is correct |
| 21 |
Incorrect |
383 ms |
235896 KB |
Output isn't correct |
| 22 |
Correct |
549 ms |
236280 KB |
Output is correct |
| 23 |
Correct |
294 ms |
235640 KB |
Output is correct |
| 24 |
Correct |
256 ms |
235512 KB |
Output is correct |
| 25 |
Incorrect |
392 ms |
235512 KB |
Output isn't correct |
| 26 |
Incorrect |
377 ms |
235512 KB |
Output isn't correct |
| 27 |
Correct |
664 ms |
236252 KB |
Output is correct |
| 28 |
Incorrect |
279 ms |
235580 KB |
Output isn't correct |
| 29 |
Correct |
515 ms |
236152 KB |
Output is correct |
| 30 |
Correct |
480 ms |
235896 KB |
Output is correct |
| 31 |
Correct |
285 ms |
235384 KB |
Output is correct |
| 32 |
Incorrect |
311 ms |
235408 KB |
Output isn't correct |
| 33 |
Incorrect |
240 ms |
235384 KB |
Output isn't correct |
| 34 |
Correct |
457 ms |
236152 KB |
Output is correct |
| 35 |
Incorrect |
266 ms |
235512 KB |
Output isn't correct |
| 36 |
Correct |
533 ms |
236124 KB |
Output is correct |
| 37 |
Incorrect |
290 ms |
236152 KB |
Output isn't correct |
| 38 |
Correct |
463 ms |
235472 KB |
Output is correct |
| 39 |
Incorrect |
272 ms |
235512 KB |
Output isn't correct |
| 40 |
Correct |
407 ms |
235512 KB |
Output is correct |
| 41 |
Correct |
367 ms |
236124 KB |
Output is correct |
| 42 |
Incorrect |
503 ms |
235684 KB |
Output isn't correct |
