Submission #734620

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
734620	2023-05-02 17:20:28	DAleksa	Brunhilda’s Birthday (BOI13_brunhilda)	C++17	97.78 / 100	552 ms	194424 KiB

brunhilda

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#include <bits/stdc++.h>
using namespace std;
const int N = 1e7 + 10;
int n, q;
vector<int> p;
vector<int> v;
int cnt[N];
int prime[N];
int prv[N];
int dp[N];
int main() {
    ios_base::sync_with_stdio(false);
    cin.tie(0);
    cin >> n >> q;
    p.resize(n);
    for(int i = 0; i < n; i++) cin >> p[i];
    for(int i = p.size() - 1; i >= 0; i--) {
        for(int j = p[i]; j < N; j += p[i]) {
            if(prime[j] == 0) {
                cnt[j]++;
                prime[j] = p[i];
            }
        }
    }
    cnt[0]++;
    prime[0] = p.back();
    for(int i = 0; i < N; i++) for(int j = 0; j < cnt[i]; j++) v.push_back(i);
 
 
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• Subtask 1: 17.77777777777778 / 20
• Subtask 2: 20 / 20
• Subtask 3: 60 / 60