#include <bits/stdc++.h>
using namespace std;
using ll = long long;
using vi = vector<int>;
using vl = vector<ll>;
#define pb push_back
#define rsz resize
#define all(x) begin(x), end(x)
#define sz(x) (int)(x).size()
using pi = pair<int,int>;
#define f first
#define s second
#define mp make_pair
const ll MX = 20000005;
const int MOD = (int) (1e9 + 7);
const int INF = (int) 987654321;
#include <ext/pb_ds/assoc_container.hpp>
using namespace __gnu_pbds;
namespace output {
void pr(int x) {
cout << x;
}
void pr(long x) {
cout << x;
}
void pr(ll x) {
cout << x;
}
void pr(unsigned x) {
cout << x;
}
void pr(unsigned long x) {
cout << x;
}
void pr(unsigned long long x) {
cout << x;
}
void pr(float x) {
cout << x;
}
void pr(double x) {
cout << x;
}
void pr(long double x) {
cout << x;
}
void pr(char x) {
cout << x;
}
void pr(const char * x) {
cout << x;
}
void pr(const string & x) {
cout << x;
}
void pr(bool x) {
pr(x ? "true" : "false");
}
template < class T1, class T2 > void pr(const pair < T1, T2 > & x);
template < class T > void pr(const T & x);
template < class T, class...Ts > void pr(const T & t,
const Ts & ...ts) {
pr(t);
pr(ts...);
}
template < class T1, class T2 > void pr(const pair < T1, T2 > & x) {
pr("{", x.f, ", ", x.s, "}");
}
template < class T > void pr(const T & x) {
pr("{"); // const iterator needed for vector<bool>
bool fst = 1;
for (const auto & a: x) pr(!fst ? ", " : "", a), fst = 0;
pr("}");
}
void ps() {
pr("\n");
} // print w/ spaces
template < class T, class...Ts > void ps(const T & t,
const Ts & ...ts) {
pr(t);
if (sizeof...(ts)) pr(" ");
ps(ts...);
}
void pc() {
cout << "]" << endl;
} // debug w/ commas
template < class T, class...Ts > void pc(const T & t,
const Ts & ...ts) {
pr(t);
if (sizeof...(ts)) pr(", ");
pc(ts...);
}
#define dbg(x...) pr("[", #x, "] = ["), pc(x);
}
#ifdef LOCAL
using namespace output;
#endif
int dp[MX];
int trans[MX];
bool has[MX];
int n, m;
vector<int> prim;
int main(){
ios::sync_with_stdio(false);
cin.tie(0);
cin >> n >> m;
for (int i = 0; i < n; i++) {
int x; cin >> x;
prim.pb(x);
}
for (int i = 0; i < n; i++) {
for (int j = prim[i] - 1; j <= MX; j += prim[i]) {
trans[j] = prim[i] - 1;
}
}
for (int i = MX - 1; i >= 0; i--) {
trans[i] = max(trans[i], trans[i + 1] - 1);
}
for (int i = 0; i < MX; i++) dp[i] = INF;
dp[0] = 0;
for (int i = 1; i < MX; i++) {
int best = i - trans[i];
if (best == INF) {
dp[i] = INF;
} else {
dp[i] = min(INF, dp[best] + 1);
}
}
for (int i = 0; i < m; i++) {
int v; cin >> v;
int ans = dp[v];
if (ans == INF) cout << "oo" << '\n';
else cout << ans << '\n';
}
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
219 ms |
156920 KB |
Output is correct |
2 |
Correct |
296 ms |
156920 KB |
Output is correct |
3 |
Correct |
263 ms |
157048 KB |
Output is correct |
4 |
Correct |
214 ms |
156920 KB |
Output is correct |
5 |
Correct |
242 ms |
156920 KB |
Output is correct |
6 |
Correct |
219 ms |
156920 KB |
Output is correct |
7 |
Correct |
261 ms |
156920 KB |
Output is correct |
8 |
Correct |
285 ms |
156924 KB |
Output is correct |
9 |
Correct |
323 ms |
156920 KB |
Output is correct |
10 |
Correct |
354 ms |
156880 KB |
Output is correct |
11 |
Correct |
326 ms |
156920 KB |
Output is correct |
12 |
Correct |
212 ms |
156920 KB |
Output is correct |
13 |
Correct |
520 ms |
156888 KB |
Output is correct |
14 |
Correct |
522 ms |
156920 KB |
Output is correct |
15 |
Correct |
312 ms |
156920 KB |
Output is correct |
16 |
Correct |
298 ms |
156920 KB |
Output is correct |
17 |
Correct |
261 ms |
156920 KB |
Output is correct |
18 |
Correct |
216 ms |
156876 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
249 ms |
156996 KB |
Output is correct |
2 |
Correct |
264 ms |
157556 KB |
Output is correct |
3 |
Correct |
612 ms |
157344 KB |
Output is correct |
4 |
Correct |
286 ms |
156920 KB |
Output is correct |
5 |
Correct |
440 ms |
157248 KB |
Output is correct |
6 |
Correct |
276 ms |
156920 KB |
Output is correct |
7 |
Correct |
242 ms |
156996 KB |
Output is correct |
8 |
Correct |
281 ms |
156920 KB |
Output is correct |
9 |
Correct |
498 ms |
157428 KB |
Output is correct |
10 |
Correct |
616 ms |
157296 KB |
Output is correct |
11 |
Correct |
610 ms |
157180 KB |
Output is correct |
12 |
Correct |
369 ms |
156920 KB |
Output is correct |
13 |
Correct |
232 ms |
156920 KB |
Output is correct |
14 |
Correct |
285 ms |
156920 KB |
Output is correct |
15 |
Correct |
499 ms |
157304 KB |
Output is correct |
16 |
Correct |
262 ms |
157428 KB |
Output is correct |
17 |
Correct |
532 ms |
156920 KB |
Output is correct |
18 |
Correct |
490 ms |
157556 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
506 ms |
157436 KB |
Output is correct |
2 |
Correct |
633 ms |
157304 KB |
Output is correct |
3 |
Correct |
629 ms |
157432 KB |
Output is correct |
4 |
Correct |
402 ms |
157176 KB |
Output is correct |
5 |
Correct |
300 ms |
157552 KB |
Output is correct |
6 |
Correct |
522 ms |
157304 KB |
Output is correct |
7 |
Correct |
440 ms |
157540 KB |
Output is correct |
8 |
Correct |
526 ms |
157560 KB |
Output is correct |
9 |
Correct |
525 ms |
157432 KB |
Output is correct |
10 |
Correct |
406 ms |
156920 KB |
Output is correct |
11 |
Correct |
365 ms |
157048 KB |
Output is correct |
12 |
Correct |
482 ms |
157180 KB |
Output is correct |
13 |
Correct |
585 ms |
157432 KB |
Output is correct |
14 |
Correct |
400 ms |
157560 KB |
Output is correct |
15 |
Correct |
522 ms |
157176 KB |
Output is correct |
16 |
Correct |
567 ms |
157176 KB |
Output is correct |
17 |
Correct |
486 ms |
157196 KB |
Output is correct |
18 |
Correct |
624 ms |
157304 KB |
Output is correct |
19 |
Correct |
259 ms |
156940 KB |
Output is correct |
20 |
Correct |
629 ms |
157560 KB |
Output is correct |
21 |
Correct |
437 ms |
157520 KB |
Output is correct |
22 |
Correct |
647 ms |
157744 KB |
Output is correct |
23 |
Correct |
304 ms |
157428 KB |
Output is correct |
24 |
Correct |
264 ms |
157176 KB |
Output is correct |
25 |
Correct |
436 ms |
157304 KB |
Output is correct |
26 |
Correct |
406 ms |
157176 KB |
Output is correct |
27 |
Correct |
663 ms |
157684 KB |
Output is correct |
28 |
Correct |
278 ms |
157176 KB |
Output is correct |
29 |
Correct |
564 ms |
157672 KB |
Output is correct |
30 |
Correct |
521 ms |
157556 KB |
Output is correct |
31 |
Correct |
306 ms |
157176 KB |
Output is correct |
32 |
Correct |
332 ms |
157176 KB |
Output is correct |
33 |
Correct |
242 ms |
157304 KB |
Output is correct |
34 |
Correct |
443 ms |
157556 KB |
Output is correct |
35 |
Correct |
287 ms |
157304 KB |
Output is correct |
36 |
Correct |
602 ms |
157684 KB |
Output is correct |
37 |
Correct |
305 ms |
157556 KB |
Output is correct |
38 |
Correct |
517 ms |
157200 KB |
Output is correct |
39 |
Correct |
283 ms |
157432 KB |
Output is correct |
40 |
Correct |
454 ms |
157304 KB |
Output is correct |
41 |
Correct |
413 ms |
157580 KB |
Output is correct |
42 |
Correct |
586 ms |
157304 KB |
Output is correct |