| # | Submission time | Handle | Problem | Language | Result | Execution time | Memory |
|---|---|---|---|---|---|---|---|
| 558881 | 2022-05-08T23:09:02 Z | Olympia | Brunhilda’s Birthday (BOI13_brunhilda) | C++17 | 1000 ms | 134800 KB |
#include <bits/stdc++.h>
using namespace std;
template<class T> struct Seg { // comb(ID,b) = b
const T ID = 1e9; T comb(T a, T b) { return min(a,b); }
int n; vector<T> seg;
void init(int _n) { n = _n; seg.assign(2*n,ID); }
void pull(int p) { seg[p] = comb(seg[2*p],seg[2*p+1]); }
void upd(int p, T val) { // set val at position p
seg[p += n] = val; for (p /= 2; p; p /= 2) pull(p); }
T query(int l, int r) { // min on interval [l, r]
T ra = ID, rb = ID;
for (l += n, r += n+1; l < r; l /= 2, r /= 2) {
if (l&1) ra = comb(ra,seg[l++]);
if (r&1) rb = comb(seg[--r],rb);
}
return comb(ra,rb);
}
};
int main() {
ios_base::sync_with_stdio(false);
cin.tie(NULL);
int M, Q; cin >> M >> Q;
vector<int> p(M);
Seg<int> st;
st.init(M + 1);
map<int,int> primes;
for (int i = 0; i < M; i++) {
cin >> p[i];
st.upd(i, 0);
}
sort(p.begin(), p.end());
for (int i = 0; i < M; i++) {
primes[p[i]] = i;
st.upd(i, 0);
}
int mx = 1000000;
int res[mx];
bool isPrime[mx];
for (int i = 0; i < mx; i++) {
isPrime[i] = true;
}
isPrime[0] = isPrime[1] = false;
vector<int> fact[mx];
for (int i = 2; i < mx; i++) {
if (isPrime[i]) {
for (int j = 2 * i; j < mx; j += i) {
isPrime[j] = false;
if (primes.count(i)) fact[j].push_back(primes[i]);
}
if (primes.count(i)) fact[i].push_back(primes[i]);
}
}
for (int i = 1; i < mx; i++) {
int ans = 1e9;
vector<int> invalid;
invalid.push_back(-1);
for (int j: fact[i]) {
invalid.push_back(j);
}
invalid.push_back(p.size());
for (int j = 0; j < (int)invalid.size() - 1; j++) {
if (invalid[j] + 1 <= invalid[j + 1] - 1) {
ans = min(ans, st.query(invalid[j] + 1, invalid[j + 1] - 1) + 1);
}
}
for (int j: invalid) {
if (j >= 0 && j < (int)p.size()) {
st.upd(j, ans);
}
}
res[i] = ans;
}
while (Q--) {
int x;
cin >> x;
if (res[x] == (int)1e9) {
cout << "oo\n";
} else {
cout << res[x] << '\n';
}
}
}
| # | Verdict | Execution time | Memory | Grader output |
|---|---|---|---|---|
| 1 | Correct | 106 ms | 34056 KB | Output is correct |
| 2 | Correct | 227 ms | 51280 KB | Output is correct |
| 3 | Correct | 179 ms | 48244 KB | Output is correct |
| 4 | Correct | 117 ms | 31028 KB | Output is correct |
| 5 | Correct | 141 ms | 36916 KB | Output is correct |
| 6 | Correct | 121 ms | 33964 KB | Output is correct |
| 7 | Correct | 158 ms | 48244 KB | Output is correct |
| 8 | Correct | 188 ms | 52128 KB | Output is correct |
| 9 | Correct | 277 ms | 54500 KB | Output is correct |
| 10 | Correct | 295 ms | 55412 KB | Output is correct |
| 11 | Correct | 246 ms | 50572 KB | Output is correct |
| 12 | Correct | 110 ms | 30384 KB | Output is correct |
| 13 | Correct | 594 ms | 58220 KB | Output is correct |
| 14 | Correct | 618 ms | 58208 KB | Output is correct |
| 15 | Correct | 231 ms | 50728 KB | Output is correct |
| 16 | Correct | 217 ms | 51300 KB | Output is correct |
| 17 | Correct | 196 ms | 36804 KB | Output is correct |
| 18 | Correct | 118 ms | 30920 KB | Output is correct |
| # | Verdict | Execution time | Memory | Grader output |
|---|---|---|---|---|
| 1 | Runtime error | 217 ms | 69964 KB | Execution killed with signal 11 |
| 2 | Runtime error | 282 ms | 81912 KB | Execution killed with signal 11 |
| 3 | Runtime error | 875 ms | 130512 KB | Execution killed with signal 11 |
| 4 | Runtime error | 288 ms | 84768 KB | Execution killed with signal 11 |
| 5 | Runtime error | 519 ms | 116940 KB | Execution killed with signal 11 |
| 6 | Runtime error | 265 ms | 96212 KB | Execution killed with signal 11 |
| 7 | Runtime error | 243 ms | 69952 KB | Execution killed with signal 11 |
| 8 | Runtime error | 237 ms | 81528 KB | Execution killed with signal 11 |
| 9 | Runtime error | 671 ms | 123936 KB | Execution killed with signal 11 |
| 10 | Runtime error | 904 ms | 130332 KB | Execution killed with signal 11 |
| 11 | Runtime error | 865 ms | 124560 KB | Execution killed with signal 11 |
| 12 | Runtime error | 433 ms | 106844 KB | Execution killed with signal 11 |
| 13 | Runtime error | 200 ms | 73880 KB | Execution killed with signal 11 |
| 14 | Runtime error | 272 ms | 84824 KB | Execution killed with signal 11 |
| 15 | Runtime error | 717 ms | 122964 KB | Execution killed with signal 11 |
| 16 | Runtime error | 302 ms | 81804 KB | Execution killed with signal 11 |
| 17 | Runtime error | 668 ms | 117296 KB | Execution killed with signal 11 |
| 18 | Runtime error | 725 ms | 127644 KB | Execution killed with signal 11 |
| # | Verdict | Execution time | Memory | Grader output |
|---|---|---|---|---|
| 1 | Runtime error | 746 ms | 125132 KB | Execution killed with signal 11 |
| 2 | Runtime error | 895 ms | 126992 KB | Execution killed with signal 11 |
| 3 | Runtime error | 891 ms | 126788 KB | Execution killed with signal 11 |
| 4 | Runtime error | 429 ms | 108968 KB | Execution killed with signal 11 |
| 5 | Runtime error | 344 ms | 82376 KB | Execution killed with signal 11 |
| 6 | Runtime error | 637 ms | 115836 KB | Execution killed with signal 11 |
| 7 | Runtime error | 545 ms | 115876 KB | Execution killed with signal 11 |
| 8 | Runtime error | 728 ms | 125060 KB | Execution killed with signal 11 |
| 9 | Runtime error | 792 ms | 125092 KB | Execution killed with signal 11 |
| 10 | Runtime error | 485 ms | 104808 KB | Execution killed with signal 11 |
| 11 | Runtime error | 384 ms | 97440 KB | Execution killed with signal 11 |
| 12 | Runtime error | 621 ms | 114884 KB | Execution killed with signal 11 |
| 13 | Runtime error | 843 ms | 121848 KB | Execution killed with signal 11 |
| 14 | Runtime error | 336 ms | 113160 KB | Execution killed with signal 11 |
| 15 | Runtime error | 655 ms | 117708 KB | Execution killed with signal 11 |
| 16 | Runtime error | 752 ms | 118676 KB | Execution killed with signal 11 |
| 17 | Runtime error | 663 ms | 119164 KB | Execution killed with signal 11 |
| 18 | Runtime error | 890 ms | 127128 KB | Execution killed with signal 11 |
| 19 | Runtime error | 240 ms | 85220 KB | Execution killed with signal 11 |
| 20 | Runtime error | 911 ms | 126760 KB | Execution killed with signal 11 |
| 21 | Runtime error | 426 ms | 115896 KB | Execution killed with signal 11 |
| 22 | Runtime error | 949 ms | 133404 KB | Execution killed with signal 11 |
| 23 | Runtime error | 285 ms | 78616 KB | Execution killed with signal 11 |
| 24 | Runtime error | 178 ms | 69840 KB | Execution killed with signal 11 |
| 25 | Runtime error | 508 ms | 107220 KB | Execution killed with signal 11 |
| 26 | Runtime error | 426 ms | 109000 KB | Execution killed with signal 11 |
| 27 | Execution timed out | 1033 ms | 134800 KB | Time limit exceeded |
| 28 | Runtime error | 211 ms | 80532 KB | Execution killed with signal 11 |
| 29 | Runtime error | 718 ms | 129632 KB | Execution killed with signal 11 |
| 30 | Runtime error | 592 ms | 124240 KB | Execution killed with signal 11 |
| 31 | Runtime error | 268 ms | 82952 KB | Execution killed with signal 11 |
| 32 | Runtime error | 305 ms | 89320 KB | Execution killed with signal 11 |
| 33 | Runtime error | 181 ms | 64876 KB | Execution killed with signal 11 |
| 34 | Runtime error | 535 ms | 115884 KB | Execution killed with signal 11 |
| 35 | Runtime error | 246 ms | 82040 KB | Execution killed with signal 11 |
| 36 | Runtime error | 864 ms | 131608 KB | Execution killed with signal 11 |
| 37 | Runtime error | 344 ms | 82380 KB | Execution killed with signal 11 |
| 38 | Runtime error | 647 ms | 115684 KB | Execution killed with signal 11 |
| 39 | Runtime error | 214 ms | 73452 KB | Execution killed with signal 11 |
| 40 | Runtime error | 568 ms | 113176 KB | Execution killed with signal 11 |
| 41 | Runtime error | 595 ms | 120472 KB | Execution killed with signal 11 |
| 42 | Runtime error | 748 ms | 118312 KB | Execution killed with signal 11 |