#include "bits/stdc++.h"
using namespace std;
bool isPrime(int n) {
for (int i = 2; i * i <= n; i++) {
if (n % i == 0) {
return false;
}
}
return n > 1;
}
int INF = 1e9;
int main() {
ios_base::sync_with_stdio(false); cin.tie(nullptr); cout.tie(nullptr);
clock_t startTime = clock();
int n, q, N = 1e7;
cin >> n >> q;
vector<int> primes(n), g(N + 1), dp(N + 1, INF);
iota(g.begin(), g.end(), 0);
for (int &p: primes) {
cin >> p;
}
sort(primes.rbegin(), primes.rend());
for (int i = 0; i < n; i++) {
int p = primes[i];
for (int j = 0; j <= N; j += p) {
for (int k = min(N, j + p - 1); k > j and j < g[k]; k--) {
g[k] = j;
}
}
}
dp[0] = 0;
for (int i = 1; i <= N; i++) {
dp[i] = dp[g[i]] + 1;
}
while (q--) {
int x;
cin >> x;
if (dp[x] >= INF) {
cout << "oo\n";
} else {
cout << dp[x] << '\n';
}
}
#ifdef sunnitov
cerr << "\nTime: " << (int)((double)(clock() - startTime) / CLOCKS_PER_SEC * 1000);
#endif
}
Compilation message
brunhilda.cpp: In function 'int main()':
brunhilda.cpp:18:13: warning: unused variable 'startTime' [-Wunused-variable]
18 | clock_t startTime = clock();
| ^~~~~~~~~
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
63 ms |
78544 KB |
Output is correct |
2 |
Correct |
130 ms |
78500 KB |
Output is correct |
3 |
Correct |
73 ms |
78548 KB |
Output is correct |
4 |
Correct |
74 ms |
78540 KB |
Output is correct |
5 |
Correct |
101 ms |
78548 KB |
Output is correct |
6 |
Correct |
70 ms |
78500 KB |
Output is correct |
7 |
Correct |
78 ms |
78540 KB |
Output is correct |
8 |
Correct |
85 ms |
78492 KB |
Output is correct |
9 |
Correct |
93 ms |
78592 KB |
Output is correct |
10 |
Correct |
131 ms |
78592 KB |
Output is correct |
11 |
Correct |
125 ms |
78596 KB |
Output is correct |
12 |
Correct |
82 ms |
78480 KB |
Output is correct |
13 |
Correct |
225 ms |
78604 KB |
Output is correct |
14 |
Correct |
228 ms |
78596 KB |
Output is correct |
15 |
Correct |
118 ms |
78592 KB |
Output is correct |
16 |
Correct |
126 ms |
78600 KB |
Output is correct |
17 |
Correct |
111 ms |
78588 KB |
Output is correct |
18 |
Correct |
73 ms |
78544 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Execution timed out |
1059 ms |
78544 KB |
Time limit exceeded |
2 |
Execution timed out |
1089 ms |
78932 KB |
Time limit exceeded |
3 |
Execution timed out |
1084 ms |
78864 KB |
Time limit exceeded |
4 |
Correct |
486 ms |
78604 KB |
Output is correct |
5 |
Execution timed out |
1074 ms |
78804 KB |
Time limit exceeded |
6 |
Correct |
174 ms |
78632 KB |
Output is correct |
7 |
Execution timed out |
1087 ms |
78588 KB |
Time limit exceeded |
8 |
Correct |
144 ms |
78588 KB |
Output is correct |
9 |
Execution timed out |
1092 ms |
78924 KB |
Time limit exceeded |
10 |
Execution timed out |
1080 ms |
78836 KB |
Time limit exceeded |
11 |
Execution timed out |
1068 ms |
78748 KB |
Time limit exceeded |
12 |
Correct |
242 ms |
78604 KB |
Output is correct |
13 |
Execution timed out |
1022 ms |
78604 KB |
Time limit exceeded |
14 |
Correct |
464 ms |
78660 KB |
Output is correct |
15 |
Execution timed out |
1088 ms |
78760 KB |
Time limit exceeded |
16 |
Execution timed out |
1055 ms |
78924 KB |
Time limit exceeded |
17 |
Correct |
249 ms |
78540 KB |
Output is correct |
18 |
Execution timed out |
1089 ms |
78912 KB |
Time limit exceeded |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Execution timed out |
1065 ms |
78708 KB |
Time limit exceeded |
2 |
Execution timed out |
1069 ms |
78712 KB |
Time limit exceeded |
3 |
Execution timed out |
1078 ms |
78664 KB |
Time limit exceeded |
4 |
Correct |
451 ms |
78968 KB |
Output is correct |
5 |
Execution timed out |
1075 ms |
78948 KB |
Time limit exceeded |
6 |
Execution timed out |
1058 ms |
79388 KB |
Time limit exceeded |
7 |
Execution timed out |
1080 ms |
79000 KB |
Time limit exceeded |
8 |
Execution timed out |
1074 ms |
78668 KB |
Time limit exceeded |
9 |
Execution timed out |
1075 ms |
78804 KB |
Time limit exceeded |
10 |
Correct |
688 ms |
78616 KB |
Output is correct |
11 |
Correct |
501 ms |
78656 KB |
Output is correct |
12 |
Correct |
692 ms |
78612 KB |
Output is correct |
13 |
Execution timed out |
1062 ms |
78724 KB |
Time limit exceeded |
14 |
Correct |
176 ms |
79120 KB |
Output is correct |
15 |
Correct |
609 ms |
78616 KB |
Output is correct |
16 |
Correct |
838 ms |
78668 KB |
Output is correct |
17 |
Execution timed out |
1073 ms |
78684 KB |
Time limit exceeded |
18 |
Execution timed out |
1065 ms |
78804 KB |
Time limit exceeded |
19 |
Execution timed out |
1077 ms |
78548 KB |
Time limit exceeded |
20 |
Execution timed out |
1085 ms |
78668 KB |
Time limit exceeded |
21 |
Correct |
159 ms |
79112 KB |
Output is correct |
22 |
Execution timed out |
1087 ms |
78936 KB |
Time limit exceeded |
23 |
Execution timed out |
1076 ms |
78676 KB |
Time limit exceeded |
24 |
Correct |
177 ms |
78796 KB |
Output is correct |
25 |
Correct |
393 ms |
78860 KB |
Output is correct |
26 |
Correct |
447 ms |
78860 KB |
Output is correct |
27 |
Execution timed out |
1070 ms |
78884 KB |
Time limit exceeded |
28 |
Correct |
121 ms |
78868 KB |
Output is correct |
29 |
Execution timed out |
1091 ms |
78976 KB |
Time limit exceeded |
30 |
Execution timed out |
1079 ms |
78796 KB |
Time limit exceeded |
31 |
Correct |
995 ms |
78796 KB |
Output is correct |
32 |
Correct |
373 ms |
78948 KB |
Output is correct |
33 |
Correct |
290 ms |
78828 KB |
Output is correct |
34 |
Execution timed out |
1043 ms |
78944 KB |
Time limit exceeded |
35 |
Correct |
152 ms |
78820 KB |
Output is correct |
36 |
Execution timed out |
1090 ms |
78932 KB |
Time limit exceeded |
37 |
Execution timed out |
1089 ms |
78972 KB |
Time limit exceeded |
38 |
Execution timed out |
1082 ms |
78524 KB |
Time limit exceeded |
39 |
Correct |
360 ms |
78924 KB |
Output is correct |
40 |
Execution timed out |
1089 ms |
78556 KB |
Time limit exceeded |
41 |
Execution timed out |
1089 ms |
78872 KB |
Time limit exceeded |
42 |
Correct |
253 ms |
79004 KB |
Output is correct |