Submission #491794

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
491794	2021-12-04T13:06:05 Z	Victor	Brunhilda’s Birthday (BOI13_brunhilda)	C++17	97.7778 / 100	421 ms	40624 KB

brunhilda

// #pragma GCC target ("avx,avx2,fma")
// #pragma GCC optimize ("Ofast,inline") // O1 - O2 - O3 - Os - Ofast
// #pragma GCC optimize ("unroll-loops")
#include <bits/stdc++.h>

using namespace std;

#define rep(i, a, b) for (int i = (a); i < (b); ++i)
#define per(i, a, b) for (int i = (b - 1); i >= (a); --i)
#define trav(a, x) for (auto &a : x)

#define all(x) x.begin(), x.end()
#define sz(x) x.size()
#define pb push_back
#define debug(x) cout << #x << " = " << x << endl

#define umap unordered_map
#define uset unordered_set

typedef pair<int, int> ii;
typedef pair<int, ii> iii;
typedef vector<int> vi;
typedef vector<ii> vii;
typedef vector<vi> vvi;

typedef long long ll;
typedef pair<ll, ll> pll;
typedef vector<ll> vll;
typedef vector<pll> vpll;

const int INF = 1'000'000'007;

int n, q, ans[10'000'001], rem;
priority_queue<ii> pq;

int main() {
    cin.tie(0)->sync_with_stdio(0);
    cin.exceptions(cin.failbit);

    ans[0] = 0;
    cin >> n >> q;
    rep(i, 0, n) {
        int p;
        cin >> p;
        pq.emplace(0, p);
    }

    rep(i, 1, 10'000'001) {
        while (1) {
            int val, prime;
            tie(val, prime) = pq.top();
            val = -val;

            if (i / prime == val / prime) {
                rem = i - val;
                if (!rem)
                    ans[i] = INF;
                else
                    ans[i] = ans[i - rem] + 1;
                break;
            } else {
                pq.pop();
                pq.emplace(-(i / prime) * prime, prime);
            }
        }
    }

    int val;
    while (q--) {
        cin >> val;
        if (ans[val] == INF)
            cout << "oo" << endl;
        else
            cout << ans[val] << endl;
    }
    return 0;
}

Subtask #1

17.7777777778 / 20.0

#	Verdict	Execution time	Memory	Grader output
1	Incorrect	240 ms	39392 KB	Output isn't correct
2	Correct	208 ms	39424 KB	Output is correct
3	Correct	227 ms	39388 KB	Output is correct
4	Correct	171 ms	39380 KB	Output is correct
5	Correct	237 ms	39316 KB	Output is correct
6	Incorrect	249 ms	39312 KB	Output isn't correct
7	Correct	227 ms	39408 KB	Output is correct
8	Correct	232 ms	39312 KB	Output is correct
9	Correct	273 ms	39364 KB	Output is correct
10	Correct	235 ms	39400 KB	Output is correct
11	Correct	257 ms	39332 KB	Output is correct
12	Correct	179 ms	39364 KB	Output is correct
13	Correct	249 ms	39436 KB	Output is correct
14	Correct	265 ms	39488 KB	Output is correct
15	Correct	191 ms	39440 KB	Output is correct
16	Correct	210 ms	39360 KB	Output is correct
17	Correct	228 ms	39448 KB	Output is correct
18	Correct	164 ms	39340 KB	Output is correct

Subtask #2

20.0 / 20.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	140 ms	39564 KB	Output is correct
2	Correct	126 ms	40300 KB	Output is correct
3	Correct	172 ms	40196 KB	Output is correct
4	Correct	157 ms	39492 KB	Output is correct
5	Correct	171 ms	39884 KB	Output is correct
6	Correct	138 ms	39376 KB	Output is correct
7	Correct	133 ms	39620 KB	Output is correct
8	Correct	173 ms	39412 KB	Output is correct
9	Correct	213 ms	40068 KB	Output is correct
10	Correct	169 ms	40124 KB	Output is correct
11	Correct	209 ms	39924 KB	Output is correct
12	Correct	167 ms	39408 KB	Output is correct
13	Correct	121 ms	39392 KB	Output is correct
14	Correct	156 ms	39464 KB	Output is correct
15	Correct	197 ms	39852 KB	Output is correct
16	Correct	123 ms	40280 KB	Output is correct
17	Correct	192 ms	39444 KB	Output is correct
18	Correct	148 ms	40308 KB	Output is correct

Subtask #3

60.0 / 60.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	259 ms	40100 KB	Output is correct
2	Correct	267 ms	40040 KB	Output is correct
3	Correct	326 ms	40132 KB	Output is correct
4	Correct	291 ms	39752 KB	Output is correct
5	Correct	278 ms	40480 KB	Output is correct
6	Correct	316 ms	39788 KB	Output is correct
7	Correct	239 ms	40348 KB	Output is correct
8	Correct	248 ms	40128 KB	Output is correct
9	Correct	251 ms	40016 KB	Output is correct
10	Correct	216 ms	39588 KB	Output is correct
11	Correct	206 ms	39572 KB	Output is correct
12	Correct	219 ms	39588 KB	Output is correct
13	Correct	312 ms	40076 KB	Output is correct
14	Correct	421 ms	39900 KB	Output is correct
15	Correct	244 ms	39508 KB	Output is correct
16	Correct	260 ms	39592 KB	Output is correct
17	Correct	215 ms	39936 KB	Output is correct
18	Correct	266 ms	40032 KB	Output is correct
19	Correct	152 ms	39636 KB	Output is correct
20	Correct	284 ms	40012 KB	Output is correct
21	Correct	338 ms	39928 KB	Output is correct
22	Correct	365 ms	40624 KB	Output is correct
23	Correct	295 ms	40000 KB	Output is correct
24	Correct	272 ms	39740 KB	Output is correct
25	Correct	305 ms	39708 KB	Output is correct
26	Correct	311 ms	39632 KB	Output is correct
27	Correct	289 ms	40432 KB	Output is correct
28	Correct	257 ms	39720 KB	Output is correct
29	Correct	359 ms	40548 KB	Output is correct
30	Correct	358 ms	40332 KB	Output is correct
31	Correct	252 ms	39764 KB	Output is correct
32	Correct	277 ms	39716 KB	Output is correct
33	Correct	247 ms	39592 KB	Output is correct
34	Correct	258 ms	40388 KB	Output is correct
35	Correct	264 ms	39640 KB	Output is correct
36	Correct	339 ms	40404 KB	Output is correct
37	Correct	269 ms	40600 KB	Output is correct
38	Correct	307 ms	39748 KB	Output is correct
39	Correct	284 ms	39832 KB	Output is correct
40	Correct	296 ms	39804 KB	Output is correct
41	Correct	220 ms	40348 KB	Output is correct
42	Correct	338 ms	39952 KB	Output is correct