#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 + 10], p[100001], max_divide[MAXN + 10], to[MAXN + 10];
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 |
220 ms |
235256 KB |
Output is correct |
| 2 |
Correct |
254 ms |
235216 KB |
Output is correct |
| 3 |
Correct |
237 ms |
235100 KB |
Output is correct |
| 4 |
Correct |
226 ms |
235224 KB |
Output is correct |
| 5 |
Correct |
235 ms |
235188 KB |
Output is correct |
| 6 |
Correct |
220 ms |
235128 KB |
Output is correct |
| 7 |
Correct |
258 ms |
235144 KB |
Output is correct |
| 8 |
Correct |
254 ms |
235204 KB |
Output is correct |
| 9 |
Correct |
291 ms |
235224 KB |
Output is correct |
| 10 |
Correct |
313 ms |
235124 KB |
Output is correct |
| 11 |
Correct |
308 ms |
235176 KB |
Output is correct |
| 12 |
Correct |
213 ms |
235104 KB |
Output is correct |
| 13 |
Correct |
458 ms |
235244 KB |
Output is correct |
| 14 |
Correct |
454 ms |
235240 KB |
Output is correct |
| 15 |
Correct |
267 ms |
235128 KB |
Output is correct |
| 16 |
Correct |
251 ms |
235228 KB |
Output is correct |
| 17 |
Correct |
253 ms |
235264 KB |
Output is correct |
| 18 |
Correct |
222 ms |
235268 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
240 ms |
235344 KB |
Output is correct |
| 2 |
Correct |
253 ms |
236648 KB |
Output is correct |
| 3 |
Correct |
555 ms |
236248 KB |
Output is correct |
| 4 |
Correct |
272 ms |
235256 KB |
Output is correct |
| 5 |
Correct |
400 ms |
235904 KB |
Output is correct |
| 6 |
Correct |
290 ms |
235212 KB |
Output is correct |
| 7 |
Correct |
283 ms |
235388 KB |
Output is correct |
| 8 |
Correct |
270 ms |
235236 KB |
Output is correct |
| 9 |
Correct |
479 ms |
236160 KB |
Output is correct |
| 10 |
Correct |
556 ms |
236252 KB |
Output is correct |
| 11 |
Incorrect |
528 ms |
235772 KB |
Output isn't correct |
| 12 |
Correct |
337 ms |
235220 KB |
Output is correct |
| 13 |
Correct |
230 ms |
235220 KB |
Output is correct |
| 14 |
Correct |
271 ms |
235256 KB |
Output is correct |
| 15 |
Correct |
454 ms |
235764 KB |
Output is correct |
| 16 |
Correct |
262 ms |
236632 KB |
Output is correct |
| 17 |
Correct |
468 ms |
235256 KB |
Output is correct |
| 18 |
Correct |
472 ms |
236688 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
485 ms |
236360 KB |
Output is correct |
| 2 |
Correct |
538 ms |
236128 KB |
Output is correct |
| 3 |
Correct |
542 ms |
236512 KB |
Output is correct |
| 4 |
Incorrect |
371 ms |
236120 KB |
Output isn't correct |
| 5 |
Incorrect |
301 ms |
237644 KB |
Output isn't correct |
| 6 |
Correct |
461 ms |
236212 KB |
Output is correct |
| 7 |
Correct |
422 ms |
237264 KB |
Output is correct |
| 8 |
Correct |
458 ms |
236236 KB |
Output is correct |
| 9 |
Correct |
460 ms |
236236 KB |
Output is correct |
| 10 |
Correct |
411 ms |
235412 KB |
Output is correct |
| 11 |
Incorrect |
360 ms |
235640 KB |
Output isn't correct |
| 12 |
Correct |
521 ms |
235504 KB |
Output is correct |
| 13 |
Correct |
522 ms |
236588 KB |
Output is correct |
| 14 |
Correct |
347 ms |
236552 KB |
Output is correct |
| 15 |
Incorrect |
462 ms |
235504 KB |
Output isn't correct |
| 16 |
Correct |
508 ms |
235512 KB |
Output is correct |
| 17 |
Correct |
433 ms |
235908 KB |
Output is correct |
| 18 |
Correct |
543 ms |
236128 KB |
Output is correct |
| 19 |
Incorrect |
245 ms |
235420 KB |
Output isn't correct |
| 20 |
Correct |
540 ms |
236500 KB |
Output is correct |
| 21 |
Incorrect |
393 ms |
236536 KB |
Output isn't correct |
| 22 |
Correct |
554 ms |
237688 KB |
Output is correct |
| 23 |
Correct |
308 ms |
236612 KB |
Output is correct |
| 24 |
Correct |
294 ms |
236340 KB |
Output is correct |
| 25 |
Incorrect |
462 ms |
236408 KB |
Output isn't correct |
| 26 |
Incorrect |
375 ms |
236180 KB |
Output isn't correct |
| 27 |
Correct |
635 ms |
237304 KB |
Output is correct |
| 28 |
Incorrect |
261 ms |
236280 KB |
Output isn't correct |
| 29 |
Correct |
519 ms |
237780 KB |
Output is correct |
| 30 |
Correct |
476 ms |
237304 KB |
Output is correct |
| 31 |
Correct |
289 ms |
236280 KB |
Output is correct |
| 32 |
Incorrect |
324 ms |
236152 KB |
Output isn't correct |
| 33 |
Incorrect |
266 ms |
236236 KB |
Output isn't correct |
| 34 |
Correct |
401 ms |
237196 KB |
Output is correct |
| 35 |
Incorrect |
275 ms |
236280 KB |
Output isn't correct |
| 36 |
Correct |
555 ms |
237560 KB |
Output is correct |
| 37 |
Incorrect |
301 ms |
237688 KB |
Output isn't correct |
| 38 |
Correct |
466 ms |
236336 KB |
Output is correct |
| 39 |
Incorrect |
282 ms |
236280 KB |
Output isn't correct |
| 40 |
Correct |
448 ms |
236300 KB |
Output is correct |
| 41 |
Correct |
373 ms |
237364 KB |
Output is correct |
| 42 |
Incorrect |
510 ms |
236508 KB |
Output isn't correct |
