This submission is migrated from previous version of oj.uz, which used different machine for grading. This submission may have different result if resubmitted.
#pragma GCC optimize("Ofast,O3,unroll-loops")
#pragma GCC target("avx2")
#include <bits/stdc++.h>
using namespace std;
#define all(x) (x).begin(), (x).end()
#define rall(x) (x).rbegin(), (x).rend()
#define bpc(x) __builtin_popcount(x)
#define bpcll(x) __builtin_popcountll(x)
#define MP make_pair
//#define endl '\n'
mt19937 rng(chrono::high_resolution_clock::now().time_since_epoch().count());
typedef long long ll;
const int MOD = 1e9 + 7;
const int N = 1e4 + 2;
int dp[N];
int max_p[N];
void solve(){
int m, q;
cin >> m >> q;
vector<int> primes(m);
for (int i = 0; i < m; i++) cin >> primes[i];
for (int p : primes){
for (int i = 0; i < N; i += p) max_p[i] = p;
}
fill(dp + 1, dp + N, 1e9);
int l = 0, r = 0;
int val = 0;
while (r < N){
if (l > r) break;
int nxt_r = r;
for (int i = l; i <= r; i++){
dp[i] = val;
int p = max_p[i];
if (p == 0) continue;
nxt_r = max(nxt_r, i + p - 1);
}
nxt_r = min(nxt_r, N - 1);
l = r + 1;
r = nxt_r;
val++;
}
while (q--){
int i;
cin >> i;
if (dp[i] != 1e9){
cout << dp[i] << "\n";
} else {
cout << "oo\n";
}
}
}
int main(){
clock_t startTime = clock();
ios_base::sync_with_stdio(false);
#ifdef LOCAL
freopen("input.txt", "r", stdin);
freopen("output.txt", "w", stdout);
#endif
int test_cases = 1;
// cin >> test_cases;
for (int test = 1; test <= test_cases; test++){
// cout << (solve() ? "YES" : "NO") << endl;
solve();
}
#ifdef LOCAL
cerr << "Time: " << int((double) (clock() - startTime) / CLOCKS_PER_SEC * 1000) << " ms" << endl;
#endif
return 0;
}
Compilation message (stderr)
brunhilda.cpp: In function 'int main()':
brunhilda.cpp:71:13: warning: unused variable 'startTime' [-Wunused-variable]
71 | clock_t startTime = clock();
| ^~~~~~~~~
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