#include <bits/stdc++.h>
using namespace std;
#pragma GCC optimize("O3,unroll-loops")
#pragma GCC target("avx2,bmi,bmi2,lzcnt,popcnt")
int main() {
ios_base::sync_with_stdio(false);
cin.tie(NULL);
int M, Q; cin >> M >> Q;
vector<int> p(M);
for (int i = 0; i < M; i++) {
cin >> p[i];
}
int mx = 10000000;
int res[mx];
int lpf[mx];
for (int i = 0; i < mx; i++) {
lpf[i] = -1;
}
for (int j = 0; j < p.size(); j++) {
for (int i = p[j]; i < mx; i += p[j]) {
lpf[i] = j;
}
}
int dp[M];
priority_queue<int, vector<int>, greater<int> > ms;
for (int i = 0; i < M; i++) {
dp[i] = 0;
ms.push(dp[i]);
}
for (int i = 1; i < mx; i++) {
int ans = 1e9;
if (lpf[i] == -1) {
ans = ms.top() + 1;
} else {
vector<int> invalid;
int x = i;
while (lpf[x] != -1) {
if (dp[lpf[x]] == ms.top()) {
invalid.push_back(lpf[x]);
ms.pop();
}
int a = p[lpf[x]];
while (x % a == 0) {
x /= a;
}
}
if (!ms.empty()) {
ans = ms.top() + 1;
}
for (int j: invalid) {
dp[j] = ans;
ms.push(dp[j]);
}
}
res[i] = ans;
}
while (Q--) {
int x;
cin >> x;
if (res[x] == (int)1e9) {
cout << "oo\n";
} else {
cout << res[x] << '\n';
}
}
}
Compilation message
brunhilda.cpp: In function 'int main()':
brunhilda.cpp:19:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
19 | for (int j = 0; j < p.size(); j++) {
| ~~^~~~~~~~~~
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Incorrect |
150 ms |
78668 KB |
Output isn't correct |
2 |
Correct |
513 ms |
78572 KB |
Output is correct |
3 |
Correct |
410 ms |
78568 KB |
Output is correct |
4 |
Correct |
100 ms |
78560 KB |
Output is correct |
5 |
Correct |
199 ms |
78668 KB |
Output is correct |
6 |
Incorrect |
149 ms |
78576 KB |
Output isn't correct |
7 |
Correct |
417 ms |
78584 KB |
Output is correct |
8 |
Correct |
575 ms |
78568 KB |
Output is correct |
9 |
Correct |
716 ms |
78564 KB |
Output is correct |
10 |
Correct |
729 ms |
78576 KB |
Output is correct |
11 |
Correct |
490 ms |
78580 KB |
Output is correct |
12 |
Correct |
95 ms |
78572 KB |
Output is correct |
13 |
Correct |
881 ms |
78668 KB |
Output is correct |
14 |
Correct |
907 ms |
78576 KB |
Output is correct |
15 |
Correct |
467 ms |
78612 KB |
Output is correct |
16 |
Correct |
512 ms |
78656 KB |
Output is correct |
17 |
Correct |
196 ms |
78596 KB |
Output is correct |
18 |
Correct |
96 ms |
78576 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
107 ms |
78668 KB |
Output is correct |
2 |
Correct |
125 ms |
79952 KB |
Output is correct |
3 |
Correct |
885 ms |
79760 KB |
Output is correct |
4 |
Correct |
199 ms |
78712 KB |
Output is correct |
5 |
Correct |
502 ms |
79428 KB |
Output is correct |
6 |
Correct |
331 ms |
78596 KB |
Output is correct |
7 |
Correct |
111 ms |
78660 KB |
Output is correct |
8 |
Correct |
188 ms |
78588 KB |
Output is correct |
9 |
Correct |
552 ms |
79768 KB |
Output is correct |
10 |
Correct |
869 ms |
79788 KB |
Output is correct |
11 |
Correct |
868 ms |
79344 KB |
Output is correct |
12 |
Correct |
518 ms |
78672 KB |
Output is correct |
13 |
Correct |
118 ms |
78540 KB |
Output is correct |
14 |
Correct |
197 ms |
78628 KB |
Output is correct |
15 |
Correct |
764 ms |
79308 KB |
Output is correct |
16 |
Correct |
129 ms |
79932 KB |
Output is correct |
17 |
Correct |
847 ms |
78744 KB |
Output is correct |
18 |
Incorrect |
571 ms |
80020 KB |
Output isn't correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
835 ms |
79304 KB |
Output is correct |
2 |
Correct |
895 ms |
79340 KB |
Output is correct |
3 |
Correct |
899 ms |
79432 KB |
Output is correct |
4 |
Correct |
579 ms |
78800 KB |
Output is correct |
5 |
Correct |
167 ms |
80068 KB |
Output is correct |
6 |
Correct |
741 ms |
78960 KB |
Output is correct |
7 |
Correct |
380 ms |
79948 KB |
Output is correct |
8 |
Correct |
803 ms |
79316 KB |
Output is correct |
9 |
Correct |
806 ms |
79316 KB |
Output is correct |
10 |
Correct |
415 ms |
78668 KB |
Output is correct |
11 |
Correct |
315 ms |
78664 KB |
Output is correct |
12 |
Correct |
705 ms |
78720 KB |
Output is correct |
13 |
Correct |
792 ms |
79328 KB |
Output is correct |
14 |
Correct |
808 ms |
79120 KB |
Output is correct |
15 |
Correct |
838 ms |
78676 KB |
Output is correct |
16 |
Correct |
870 ms |
78740 KB |
Output is correct |
17 |
Correct |
528 ms |
79308 KB |
Output is correct |
18 |
Correct |
895 ms |
79436 KB |
Output is correct |
19 |
Correct |
201 ms |
78720 KB |
Output is correct |
20 |
Correct |
902 ms |
79444 KB |
Output is correct |
21 |
Incorrect |
827 ms |
79204 KB |
Output isn't correct |
22 |
Correct |
890 ms |
80000 KB |
Output is correct |
23 |
Correct |
166 ms |
79188 KB |
Output is correct |
24 |
Correct |
132 ms |
78856 KB |
Output is correct |
25 |
Correct |
508 ms |
78916 KB |
Output is correct |
26 |
Correct |
574 ms |
78888 KB |
Output is correct |
27 |
Correct |
903 ms |
80004 KB |
Output is correct |
28 |
Incorrect |
182 ms |
78796 KB |
Output isn't correct |
29 |
Correct |
508 ms |
80084 KB |
Output is correct |
30 |
Correct |
445 ms |
79696 KB |
Output is correct |
31 |
Correct |
201 ms |
78796 KB |
Output is correct |
32 |
Correct |
257 ms |
78848 KB |
Output is correct |
33 |
Correct |
110 ms |
78800 KB |
Output is correct |
34 |
Correct |
362 ms |
79952 KB |
Output is correct |
35 |
Incorrect |
190 ms |
78860 KB |
Output isn't correct |
36 |
Correct |
884 ms |
79900 KB |
Output is correct |
37 |
Correct |
151 ms |
80048 KB |
Output is correct |
38 |
Correct |
750 ms |
78952 KB |
Output is correct |
39 |
Correct |
154 ms |
78880 KB |
Output is correct |
40 |
Correct |
626 ms |
78988 KB |
Output is correct |
41 |
Correct |
499 ms |
80080 KB |
Output is correct |
42 |
Incorrect |
885 ms |
79052 KB |
Output isn't correct |