Submission #502225

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
502225	2022-01-05 14:38:54	Lobo	Railway (BOI17_railway)	C++17	100 / 100	150 ms	29432 KiB

railway

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#include<bits/stdc++.h>
using namespace std;
/*for ordered_set
#include <ext/pb_ds/assoc_container.hpp>
#include <ext/pb_ds/tree_policy.hpp>
using namespace __gnu_pbds;
#define ordered_set tree<pair<int,int>, null_type,less<pair<int,int>>, rb_tree_tag,tree_order_statistics_node_update>
*/
const long long INFll = (long long) 1e18 + 10;
const int INFii = (int) 1e9 + 10;
typedef long long ll;
typedef int ii;
typedef long double dbl;
#define endl '\n'
#define sc second
#define fr first
#define mp make_pair
#define pb push_back
#define all(x) x.begin(), x.end()
#define maxn 110000
ii n, m, k, cnt[maxn], p[maxn][25], ps[maxn], h[maxn];
vector<pair<ii,ii>> edg, g[maxn];
ii tin[maxn], timer = 1;
ii lca(ii u, ii v) {
    if(h[u] < h[v]) swap(u,v);
 
 
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• Subtask 1: 8 / 8
• Subtask 2: 15 / 15
• Subtask 3: 7 / 7
• Subtask 4: 29 / 29
• Subtask 5: 16 / 16
• Subtask 6: 25 / 25