| # | Submission time | Handle | Problem | Language | Result | Execution time | Memory |
|---|---|---|---|---|---|---|---|
| 558864 | 2022-05-08T19:40:06 Z | Olympia | Brunhilda’s Birthday (BOI13_brunhilda) | C++17 | 952 ms | 134832 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 | 101 ms | 33864 KB | Output is correct |
| 2 | Correct | 226 ms | 51328 KB | Output is correct |
| 3 | Correct | 151 ms | 48172 KB | Output is correct |
| 4 | Correct | 119 ms | 31024 KB | Output is correct |
| 5 | Correct | 126 ms | 36820 KB | Output is correct |
| 6 | Correct | 102 ms | 33956 KB | Output is correct |
| 7 | Correct | 153 ms | 48204 KB | Output is correct |
| 8 | Correct | 181 ms | 52100 KB | Output is correct |
| 9 | Correct | 239 ms | 54404 KB | Output is correct |
| 10 | Correct | 280 ms | 55220 KB | Output is correct |
| 11 | Correct | 237 ms | 50632 KB | Output is correct |
| 12 | Correct | 108 ms | 30384 KB | Output is correct |
| 13 | Correct | 555 ms | 58212 KB | Output is correct |
| 14 | Correct | 575 ms | 58204 KB | Output is correct |
| 15 | Correct | 221 ms | 50672 KB | Output is correct |
| 16 | Correct | 214 ms | 51436 KB | Output is correct |
| 17 | Correct | 167 ms | 36800 KB | Output is correct |
| 18 | Correct | 113 ms | 30996 KB | Output is correct |
| # | Verdict | Execution time | Memory | Grader output |
|---|---|---|---|---|
| 1 | Runtime error | 207 ms | 69988 KB | Execution killed with signal 11 |
| 2 | Runtime error | 288 ms | 81812 KB | Execution killed with signal 11 |
| 3 | Runtime error | 860 ms | 130324 KB | Execution killed with signal 11 |
| 4 | Runtime error | 265 ms | 84792 KB | Execution killed with signal 11 |
| 5 | Runtime error | 532 ms | 116920 KB | Execution killed with signal 11 |
| 6 | Runtime error | 248 ms | 96200 KB | Execution killed with signal 11 |
| 7 | Runtime error | 205 ms | 69948 KB | Execution killed with signal 11 |
| 8 | Runtime error | 240 ms | 81604 KB | Execution killed with signal 11 |
| 9 | Runtime error | 665 ms | 123988 KB | Execution killed with signal 11 |
| 10 | Runtime error | 869 ms | 130412 KB | Execution killed with signal 11 |
| 11 | Runtime error | 836 ms | 124556 KB | Execution killed with signal 11 |
| 12 | Runtime error | 393 ms | 106936 KB | Execution killed with signal 11 |
| 13 | Runtime error | 203 ms | 73912 KB | Execution killed with signal 11 |
| 14 | Runtime error | 275 ms | 84904 KB | Execution killed with signal 11 |
| 15 | Runtime error | 687 ms | 122900 KB | Execution killed with signal 11 |
| 16 | Runtime error | 278 ms | 81784 KB | Execution killed with signal 11 |
| 17 | Runtime error | 632 ms | 117160 KB | Execution killed with signal 11 |
| 18 | Runtime error | 717 ms | 127720 KB | Execution killed with signal 11 |
| # | Verdict | Execution time | Memory | Grader output |
|---|---|---|---|---|
| 1 | Runtime error | 711 ms | 125052 KB | Execution killed with signal 11 |
| 2 | Runtime error | 857 ms | 126988 KB | Execution killed with signal 11 |
| 3 | Runtime error | 849 ms | 126760 KB | Execution killed with signal 11 |
| 4 | Runtime error | 421 ms | 108932 KB | Execution killed with signal 11 |
| 5 | Runtime error | 303 ms | 82356 KB | Execution killed with signal 11 |
| 6 | Runtime error | 597 ms | 115700 KB | Execution killed with signal 11 |
| 7 | Runtime error | 542 ms | 115956 KB | Execution killed with signal 11 |
| 8 | Runtime error | 717 ms | 125084 KB | Execution killed with signal 11 |
| 9 | Runtime error | 718 ms | 125056 KB | Execution killed with signal 11 |
| 10 | Runtime error | 452 ms | 104884 KB | Execution killed with signal 11 |
| 11 | Runtime error | 371 ms | 97736 KB | Execution killed with signal 11 |
| 12 | Runtime error | 573 ms | 114980 KB | Execution killed with signal 11 |
| 13 | Runtime error | 772 ms | 121864 KB | Execution killed with signal 11 |
| 14 | Runtime error | 330 ms | 113152 KB | Execution killed with signal 11 |
| 15 | Runtime error | 623 ms | 117800 KB | Execution killed with signal 11 |
| 16 | Runtime error | 700 ms | 118684 KB | Execution killed with signal 11 |
| 17 | Runtime error | 594 ms | 119164 KB | Execution killed with signal 11 |
| 18 | Runtime error | 850 ms | 127004 KB | Execution killed with signal 11 |
| 19 | Runtime error | 235 ms | 85160 KB | Execution killed with signal 11 |
| 20 | Runtime error | 848 ms | 126728 KB | Execution killed with signal 11 |
| 21 | Runtime error | 415 ms | 115948 KB | Execution killed with signal 11 |
| 22 | Runtime error | 903 ms | 133296 KB | Execution killed with signal 11 |
| 23 | Runtime error | 277 ms | 78692 KB | Execution killed with signal 11 |
| 24 | Runtime error | 178 ms | 69820 KB | Execution killed with signal 11 |
| 25 | Runtime error | 456 ms | 107272 KB | Execution killed with signal 11 |
| 26 | Runtime error | 422 ms | 108896 KB | Execution killed with signal 11 |
| 27 | Runtime error | 952 ms | 134832 KB | Execution killed with signal 11 |
| 28 | Runtime error | 211 ms | 80492 KB | Execution killed with signal 11 |
| 29 | Runtime error | 701 ms | 129636 KB | Execution killed with signal 11 |
| 30 | Runtime error | 590 ms | 124236 KB | Execution killed with signal 11 |
| 31 | Runtime error | 253 ms | 83060 KB | Execution killed with signal 11 |
| 32 | Runtime error | 282 ms | 89324 KB | Execution killed with signal 11 |
| 33 | Runtime error | 166 ms | 64860 KB | Execution killed with signal 11 |
| 34 | Runtime error | 530 ms | 115880 KB | Execution killed with signal 11 |
| 35 | Runtime error | 236 ms | 82048 KB | Execution killed with signal 11 |
| 36 | Runtime error | 845 ms | 131720 KB | Execution killed with signal 11 |
| 37 | Runtime error | 301 ms | 82388 KB | Execution killed with signal 11 |
| 38 | Runtime error | 604 ms | 115688 KB | Execution killed with signal 11 |
| 39 | Runtime error | 202 ms | 73460 KB | Execution killed with signal 11 |
| 40 | Runtime error | 525 ms | 113228 KB | Execution killed with signal 11 |
| 41 | Runtime error | 525 ms | 120524 KB | Execution killed with signal 11 |
| 42 | Runtime error | 661 ms | 118256 KB | Execution killed with signal 11 |