#include<bits/stdc++.h>
using namespace std;
#define ll long long
#define ld long double
#define endl "\n"
const int N = 1e7,len = 1e5;
int mx[N + 1],dp[N + 1],num[len + 1];
int m,q,lim;
int lcm(int a,int b) {
return a*b/(__gcd(a,b));
}
void init() {
lim = num[1];
for(int i = 2;i <= m;i++) {
if(lim > N) break;
lim = lcm(lim,num[i]);
}
for(int i = 1;i <= m;i++) {
for(int j = 1;num[i]*j <= N;j++) {
mx[num[i]*j] = max(num[i],mx[num[i]*j]);
}
}
dp[0] = 0;
for(int i = 1;i < num[m];i++) {
dp[i] = 1;
}
int lst = 0,temp = 0;
for(int i = 1;i < num[m];i++) {
if(temp < (mx[i] - 1) - (num[m] - i)) {
temp = (mx[i] - 1) - (num[m] - i);
lst = i;
}
}
for(int i = num[m];i < min(lim,N);i++) {
while(mx[lst] - 1 < (i - lst)) lst++;
dp[i] = dp[lst] + 1;
}
}
signed main() {
// freopen("in.txt","r",stdin);
// freopen("out.txt","w",stdout);
cin>>m>>q;
for(int i = 1;i <= m;i++) cin>>num[i];
init();
while(q--) {
int x;
cin>>x;
if(x >= lim) {
cout<<"oo"<<endl;
} else {
cout<<dp[x]<<endl;
}
}
}
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
31 ms |
39372 KB |
Output is correct |
| 2 |
Correct |
78 ms |
78468 KB |
Output is correct |
| 3 |
Correct |
43 ms |
40448 KB |
Output is correct |
| 4 |
Correct |
79 ms |
78480 KB |
Output is correct |
| 5 |
Correct |
78 ms |
78476 KB |
Output is correct |
| 6 |
Correct |
34 ms |
39340 KB |
Output is correct |
| 7 |
Correct |
40 ms |
40456 KB |
Output is correct |
| 8 |
Correct |
45 ms |
42880 KB |
Output is correct |
| 9 |
Correct |
88 ms |
78540 KB |
Output is correct |
| 10 |
Correct |
114 ms |
78444 KB |
Output is correct |
| 11 |
Correct |
112 ms |
78456 KB |
Output is correct |
| 12 |
Correct |
55 ms |
78540 KB |
Output is correct |
| 13 |
Correct |
169 ms |
78472 KB |
Output is correct |
| 14 |
Correct |
176 ms |
78540 KB |
Output is correct |
| 15 |
Correct |
105 ms |
78480 KB |
Output is correct |
| 16 |
Correct |
101 ms |
78464 KB |
Output is correct |
| 17 |
Correct |
87 ms |
78580 KB |
Output is correct |
| 18 |
Correct |
68 ms |
78476 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
84 ms |
78516 KB |
Output is correct |
| 2 |
Correct |
103 ms |
78836 KB |
Output is correct |
| 3 |
Correct |
220 ms |
78840 KB |
Output is correct |
| 4 |
Correct |
84 ms |
78472 KB |
Output is correct |
| 5 |
Correct |
187 ms |
78796 KB |
Output is correct |
| 6 |
Correct |
75 ms |
78480 KB |
Output is correct |
| 7 |
Correct |
68 ms |
78576 KB |
Output is correct |
| 8 |
Correct |
79 ms |
78520 KB |
Output is correct |
| 9 |
Correct |
186 ms |
78752 KB |
Output is correct |
| 10 |
Correct |
242 ms |
78808 KB |
Output is correct |
| 11 |
Correct |
228 ms |
78668 KB |
Output is correct |
| 12 |
Correct |
111 ms |
78472 KB |
Output is correct |
| 13 |
Correct |
63 ms |
78512 KB |
Output is correct |
| 14 |
Correct |
87 ms |
78464 KB |
Output is correct |
| 15 |
Correct |
176 ms |
78628 KB |
Output is correct |
| 16 |
Correct |
98 ms |
78796 KB |
Output is correct |
| 17 |
Correct |
170 ms |
78568 KB |
Output is correct |
| 18 |
Incorrect |
197 ms |
78912 KB |
Output isn't correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
241 ms |
78920 KB |
Output is correct |
| 2 |
Correct |
272 ms |
78800 KB |
Output is correct |
| 3 |
Correct |
310 ms |
78920 KB |
Output is correct |
| 4 |
Correct |
261 ms |
78812 KB |
Output is correct |
| 5 |
Correct |
274 ms |
79088 KB |
Output is correct |
| 6 |
Correct |
306 ms |
78792 KB |
Output is correct |
| 7 |
Correct |
258 ms |
79024 KB |
Output is correct |
| 8 |
Correct |
294 ms |
78796 KB |
Output is correct |
| 9 |
Correct |
247 ms |
78768 KB |
Output is correct |
| 10 |
Correct |
176 ms |
78620 KB |
Output is correct |
| 11 |
Correct |
148 ms |
78624 KB |
Output is correct |
| 12 |
Correct |
203 ms |
78720 KB |
Output is correct |
| 13 |
Correct |
357 ms |
78920 KB |
Output is correct |
| 14 |
Correct |
278 ms |
79084 KB |
Output is correct |
| 15 |
Correct |
208 ms |
78608 KB |
Output is correct |
| 16 |
Correct |
238 ms |
78668 KB |
Output is correct |
| 17 |
Correct |
202 ms |
78768 KB |
Output is correct |
| 18 |
Correct |
326 ms |
78800 KB |
Output is correct |
| 19 |
Correct |
101 ms |
78616 KB |
Output is correct |
| 20 |
Correct |
302 ms |
78920 KB |
Output is correct |
| 21 |
Incorrect |
308 ms |
79104 KB |
Output isn't correct |
| 22 |
Correct |
399 ms |
79076 KB |
Output is correct |
| 23 |
Correct |
255 ms |
78828 KB |
Output is correct |
| 24 |
Correct |
223 ms |
78824 KB |
Output is correct |
| 25 |
Correct |
299 ms |
78876 KB |
Output is correct |
| 26 |
Correct |
255 ms |
78732 KB |
Output is correct |
| 27 |
Correct |
354 ms |
78952 KB |
Output is correct |
| 28 |
Incorrect |
220 ms |
78880 KB |
Output isn't correct |
| 29 |
Correct |
400 ms |
79112 KB |
Output is correct |
| 30 |
Correct |
359 ms |
79048 KB |
Output is correct |
| 31 |
Correct |
242 ms |
78760 KB |
Output is correct |
| 32 |
Correct |
237 ms |
78772 KB |
Output is correct |
| 33 |
Correct |
204 ms |
78704 KB |
Output is correct |
| 34 |
Correct |
248 ms |
79116 KB |
Output is correct |
| 35 |
Incorrect |
238 ms |
78840 KB |
Output isn't correct |
| 36 |
Correct |
385 ms |
79104 KB |
Output is correct |
| 37 |
Correct |
271 ms |
79104 KB |
Output is correct |
| 38 |
Correct |
326 ms |
78872 KB |
Output is correct |
| 39 |
Correct |
267 ms |
78820 KB |
Output is correct |
| 40 |
Correct |
301 ms |
78964 KB |
Output is correct |
| 41 |
Correct |
240 ms |
79000 KB |
Output is correct |
| 42 |
Incorrect |
368 ms |
78860 KB |
Output isn't correct |
