Submission #767724

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
767724	2023-06-27 05:50:29	PurpleCrayon	Tourism (JOI23_tourism)	C++17	28 / 100	5086 ms	45844 KiB

tourism

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#include <bits/stdc++.h>
using namespace std;
 
#define sz(v) int(v.size())
#define ar array
typedef long long ll;
const int N = 1e5+10, MOD = 1e9+7;
const int L = 19;
int n, m, q, st[N], en[N], depth[N], tt = 0;
vector<int> adj[N];
vector<int> lca_et;
int sparse[2 * N][L], st_lca[N], en_lca[N];
int dep_min(int a, int b) {
    return depth[a] < depth[b] ? a : b;
}
void build_rmq() {
    int k = sz(lca_et);
    for (int i = 0; i < k; i++) sparse[i][0] = lca_et[i];
    for (int c = 2, l = 1; c <= k; c *= 2, l++) {
        for (int i = 0; i + c <= k; i++) {
            sparse[i][l] = dep_min(sparse[i][l-1], sparse[i + c/2][l-1]);
        }
    }
}
int rmq_qry(int l, int r) {
 
 
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• Subtask 1: 5 / 5
• Subtask 2: 5 / 5
• Subtask 3: 0 / 7
• Subtask 4: 18 / 18
• Subtask 5: 0 / 24
• Subtask 6: 0 / 41